/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=0.4 --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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:23:47,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:23:47,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:23:47,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:23:47,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:23:47,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:23:47,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:23:47,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:23:47,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:23:47,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:23:47,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:23:47,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:23:47,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:23:47,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:23:47,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:23:47,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:23:47,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:23:47,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:23:47,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:23:47,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:23:47,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:23:47,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:23:47,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:23:47,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:23:47,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:23:47,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:23:47,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:23:47,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:23:47,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:23:47,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:23:47,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:23:47,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:23:47,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:23:47,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:23:47,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:23:47,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:23:47,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:23:47,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:23:47,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:23:47,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:23:47,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:23:47,682 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 05:23:47,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:23:47,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:23:47,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:23:47,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:23:47,725 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:23:47,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:23:47,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:23:47,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:23:47,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:23:47,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:23:47,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:23:47,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:23:47,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:23:47,726 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:23:47,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:23:47,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:23:47,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:23:47,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:23:47,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:23:47,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:23:47,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:23:47,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:23:47,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:23:47,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:23:47,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:23:47,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:23:47,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:23:47,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:23:47,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:23:47,730 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 05:23:48,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:23:48,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:23:48,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:23:48,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:23:48,223 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:23:48,224 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 05:23:48,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de/FLAGc025ee305 [2020-09-25 05:23:48,945 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:23:48,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-25 05:23:48,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de/FLAGc025ee305 [2020-09-25 05:23:49,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/579f46844/b9870bc797c74e95aaa2d166f37297de [2020-09-25 05:23:49,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:23:49,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:23:49,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:49,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:23:49,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:23:49,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:49,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49, skipping insertion in model container [2020-09-25 05:23:49,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:49,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:23:49,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:23:49,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:49,741 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:23:49,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:23:49,983 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:23:49,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49 WrapperNode [2020-09-25 05:23:49,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:23:49,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:23:49,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:23:49,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:23:50,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... [2020-09-25 05:23:50,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:23:50,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:23:50,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:23:50,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:23:50,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:23:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:23:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:23:50,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:23:50,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:23:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:23:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:23:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:23:50,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:23:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:23:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:23:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:23:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:23:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:23:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 05:23:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:23:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:23:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:23:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:23:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 05:23:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:23:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:23:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:23:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:23:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:23:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:23:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:23:50,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:23:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:23:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:23:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:23:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:23:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:23:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:23:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:23:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:23:50,198 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:23:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:23:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:23:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:23:50,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:23:50,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:23:51,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:23:51,444 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:23:51,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:51 BoogieIcfgContainer [2020-09-25 05:23:51,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:23:51,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:23:51,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:23:51,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:23:51,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:23:49" (1/3) ... [2020-09-25 05:23:51,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dae1128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:51, skipping insertion in model container [2020-09-25 05:23:51,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:23:49" (2/3) ... [2020-09-25 05:23:51,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dae1128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:23:51, skipping insertion in model container [2020-09-25 05:23:51,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:23:51" (3/3) ... [2020-09-25 05:23:51,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-25 05:23:51,474 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:23:51,486 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:23:51,508 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:23:51,542 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:23:51,543 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:23:51,543 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:23:51,543 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:23:51,543 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:23:51,543 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:23:51,543 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:23:51,544 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:23:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-09-25 05:23:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:23:51,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:23:51,595 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 05:23:51,595 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:23:51,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:23:51,604 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-09-25 05:23:51,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:23:51,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181670416] [2020-09-25 05:23:51,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:23:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:52,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:53,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:57,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 05:23:57,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:23:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 05:23:57,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:57,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:57,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:23:57,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:57,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:23:57,673 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:23:57,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:57,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:57,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:23:57,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-25 05:23:57,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:57,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:57,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:57,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:57,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:57,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:23:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:57,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:57,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:57,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:57,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:57,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:57,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:23:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:57,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:57,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:57,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:58,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:23:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:23:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:23:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:23:58,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:23:58,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:23:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:23:58,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:23:58,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:23:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:23:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:58,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:23:58,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:23:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:23:58,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:23:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:23:58,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 05:23:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:23:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 05:23:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:23:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:23:58,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:23:58,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:23:58,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:23:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:23:58,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:23:58,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:23:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:23:58,192 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 05:23:58,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181670416] [2020-09-25 05:23:58,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:23:58,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:23:58,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553515322] [2020-09-25 05:23:58,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:23:58,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:23:58,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:23:58,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:58,232 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-09-25 05:23:59,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:23:59,891 INFO L93 Difference]: Finished difference Result 604 states and 711 transitions. [2020-09-25 05:23:59,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:23:59,893 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 05:23:59,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:23:59,915 INFO L225 Difference]: With dead ends: 604 [2020-09-25 05:23:59,916 INFO L226 Difference]: Without dead ends: 371 [2020-09-25 05:23:59,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:23:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-09-25 05:24:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318. [2020-09-25 05:24:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-09-25 05:24:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions. [2020-09-25 05:24:00,080 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160 [2020-09-25 05:24:00,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:24:00,084 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 350 transitions. [2020-09-25 05:24:00,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:24:00,084 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions. [2020-09-25 05:24:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:24:00,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:24:00,100 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 05:24:00,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:24:00,101 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:24:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:24:00,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times [2020-09-25 05:24:00,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:24:00,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427146822] [2020-09-25 05:24:00,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:24:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:00,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:01,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:02,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:03,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 05:24:05,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:24:05,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 05:24:05,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:24:05,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:24:05,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,647 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:05,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:05,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 05:24:05,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:05,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:05,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:05,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:24:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:05,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:24:05,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:05,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:05,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:05,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:05,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:24:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:05,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:05,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:24:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:05,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:24:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:05,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:05,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:05,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:05,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:24:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:05,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:05,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:05,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:05,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:05,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:05,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:05,971 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 05:24:05,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427146822] [2020-09-25 05:24:05,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:05,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:24:05,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635687848] [2020-09-25 05:24:05,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:24:05,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:05,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:24:05,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:24:05,977 INFO L87 Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states. [2020-09-25 05:24:06,631 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:24:07,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:24:07,964 INFO L93 Difference]: Finished difference Result 523 states and 595 transitions. [2020-09-25 05:24:07,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:24:07,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:24:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:24:07,979 INFO L225 Difference]: With dead ends: 523 [2020-09-25 05:24:07,979 INFO L226 Difference]: Without dead ends: 360 [2020-09-25 05:24:07,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:24:07,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-25 05:24:08,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308. [2020-09-25 05:24:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-25 05:24:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-09-25 05:24:08,065 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161 [2020-09-25 05:24:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:24:08,067 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-09-25 05:24:08,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:24:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-09-25 05:24:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 05:24:08,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:24:08,071 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 05:24:08,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:24:08,071 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:24:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:24:08,071 INFO L82 PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times [2020-09-25 05:24:08,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:24:08,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923147716] [2020-09-25 05:24:08,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:24:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:08,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:24:13,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:24:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 05:24:13,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:13,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:24:13,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:24:13,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,430 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:13,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:13,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 05:24:13,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:13,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:13,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:13,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:13,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:13,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:24:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:13,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:24:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:24:13,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:24:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:24:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:24:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:24:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:13,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 05:24:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:13,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:13,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 05:24:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:13,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:13,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:13,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:13,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:13,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:13,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:13,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:13,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:13,707 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 05:24:13,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923147716] [2020-09-25 05:24:13,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:13,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:24:13,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635326936] [2020-09-25 05:24:13,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:24:13,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:13,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:24:13,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:24:13,710 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 6 states. [2020-09-25 05:24:14,327 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:24:17,171 INFO L93 Difference]: Finished difference Result 780 states and 907 transitions. [2020-09-25 05:24:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:24:17,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 05:24:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:24:17,177 INFO L225 Difference]: With dead ends: 780 [2020-09-25 05:24:17,178 INFO L226 Difference]: Without dead ends: 587 [2020-09-25 05:24:17,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:24:17,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-09-25 05:24:17,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 491. [2020-09-25 05:24:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-09-25 05:24:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 550 transitions. [2020-09-25 05:24:17,264 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 550 transitions. Word has length 174 [2020-09-25 05:24:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:24:17,265 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 550 transitions. [2020-09-25 05:24:17,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:24:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 550 transitions. [2020-09-25 05:24:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 05:24:17,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:24:17,268 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 05:24:17,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:24:17,269 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:24:17,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:24:17,269 INFO L82 PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times [2020-09-25 05:24:17,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:24:17,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246637941] [2020-09-25 05:24:17,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:24:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:17,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:17,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:18,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 05:24:22,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:24:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:24:22,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:24:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 05:24:22,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 05:24:22,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,742 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:22,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:22,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:22,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:22,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:22,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:22,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:22,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:22,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:22,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:24:22,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:22,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 05:24:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:24:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:24:22,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:24:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:24:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:22,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:24:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 05:24:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:22,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 05:24:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:22,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:22,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:22,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:22,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:24:22,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:22,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:24:22,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:22,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:24:22,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 05:24:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:22,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:23,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:23,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:23,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:23,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:24:23,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:23,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:24:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:23,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:24:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:23,139 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 05:24:23,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246637941] [2020-09-25 05:24:23,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:23,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:24:23,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715244256] [2020-09-25 05:24:23,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:24:23,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:23,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:24:23,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:24:23,144 INFO L87 Difference]: Start difference. First operand 491 states and 550 transitions. Second operand 10 states. [2020-09-25 05:24:23,854 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:24:24,816 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:24:25,198 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 05:24:26,793 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:24:27,140 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:24:27,514 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:24:28,252 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:24:28,597 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 05:24:28,919 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:24:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:24:29,892 INFO L93 Difference]: Finished difference Result 1184 states and 1411 transitions. [2020-09-25 05:24:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 05:24:29,893 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 05:24:29,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:24:29,900 INFO L225 Difference]: With dead ends: 1184 [2020-09-25 05:24:29,901 INFO L226 Difference]: Without dead ends: 808 [2020-09-25 05:24:29,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 05:24:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-09-25 05:24:29,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 721. [2020-09-25 05:24:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2020-09-25 05:24:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 810 transitions. [2020-09-25 05:24:29,998 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 810 transitions. Word has length 179 [2020-09-25 05:24:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:24:29,999 INFO L479 AbstractCegarLoop]: Abstraction has 721 states and 810 transitions. [2020-09-25 05:24:29,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:24:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 810 transitions. [2020-09-25 05:24:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 05:24:30,004 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:24:30,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:24:30,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:24:30,005 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:24:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:24:30,005 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-09-25 05:24:30,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:24:30,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349370600] [2020-09-25 05:24:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:24:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:30,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:30,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 05:24:30,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:30,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-09-25 05:24:30,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:30,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:30,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:24:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-25 05:24:30,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:24:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,266 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:24:31,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:31,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:31,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:24:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:31,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:31,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:24:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:31,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:31,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:24:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:31,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:24:31,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:24:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:24:31,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:31,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:24:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:31,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:31,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:24:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:31,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:31,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:24:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 05:24:31,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:31,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:31,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:24:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:31,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:31,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:31,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:31,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:24:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:24:31,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 05:24:31,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:24:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 05:24:31,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:24:31,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 05:24:31,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-25 05:24:31,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:24:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 05:24:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:24:31,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 05:24:31,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 05:24:31,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:24:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:24:31,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:24:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:31,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:24:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:31,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:31,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 05:24:31,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 05:24:31,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:31,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:24:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:24:31,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:24:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:24:32,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:24:32,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:24:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:24:32,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:24:32,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 05:24:32,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:24:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:24:32,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:32,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:32,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:24:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:32,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:24:32,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:32,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:24:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:24:32,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:32,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:24:32,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:24:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 05:24:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:32,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:32,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:32,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:32,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 05:24:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:24:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:24:32,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:24:32,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:24:32,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:24:32,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:24:32,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:24:32,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:24:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:24:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:24:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:24:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:24:32,127 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 05:24:32,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349370600] [2020-09-25 05:24:32,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:24:32,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 05:24:32,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960681589] [2020-09-25 05:24:32,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:24:32,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:24:32,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:24:32,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:24:32,129 INFO L87 Difference]: Start difference. First operand 721 states and 810 transitions. Second operand 11 states. [2020-09-25 05:24:34,010 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:24:34,373 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 05:24:34,729 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 05:24:35,047 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:24:35,373 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:24:35,674 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190