/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:22:19,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:22:19,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:22:19,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:22:19,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:22:19,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:22:19,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:22:19,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:22:19,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:22:19,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:22:19,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:22:19,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:22:19,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:22:19,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:22:19,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:22:19,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:22:19,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:22:19,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:22:19,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:22:19,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:22:19,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:22:19,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:22:19,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:22:19,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:22:19,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:22:19,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:22:19,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:22:19,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:22:19,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:22:19,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:22:19,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:22:19,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:22:19,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:22:19,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:22:19,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:22:19,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:22:19,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:22:19,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:22:19,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:22:19,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:22:19,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:22:19,851 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 14:22:19,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:22:19,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:22:19,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:22:19,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:22:19,879 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:22:19,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:22:19,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:22:19,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:22:19,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:22:19,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:22:19,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:22:19,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:22:19,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:22:19,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:22:19,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:22:19,885 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:22:19,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:22:19,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:22:19,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:22:19,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:22:19,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:22:19,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:22:19,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:22:19,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:22:19,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:22:19,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:22:19,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:22:19,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:22:19,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:22:19,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:22:20,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:22:20,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:22:20,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:22:20,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:22:20,353 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:22:20,354 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-25 14:22:20,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f46846b3c/880e5c3b86e7431a95310746db4009ad/FLAGa178c02ea [2020-09-25 14:22:21,032 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:22:21,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-25 14:22:21,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f46846b3c/880e5c3b86e7431a95310746db4009ad/FLAGa178c02ea [2020-09-25 14:22:21,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f46846b3c/880e5c3b86e7431a95310746db4009ad [2020-09-25 14:22:21,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:22:21,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:22:21,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:22:21,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:22:21,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:22:21,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:22:21" (1/1) ... [2020-09-25 14:22:21,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed4b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:21, skipping insertion in model container [2020-09-25 14:22:21,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:22:21" (1/1) ... [2020-09-25 14:22:21,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:22:21,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:22:21,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:22:21,899 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:22:22,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:22:22,042 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:22:22,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22 WrapperNode [2020-09-25 14:22:22,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:22:22,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:22:22,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:22:22,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:22:22,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (1/1) ... [2020-09-25 14:22:22,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:22:22,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:22:22,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:22:22,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:22:22,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (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 14:22:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:22:22,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:22:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:22:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:22:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:22:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:22:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:22:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:22:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:22:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 14:22:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 14:22:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:22:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:22:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:22:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:22:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:22:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:22:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:22:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:22:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:22:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:22:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:22:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:22:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:22:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:22:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:22:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:22:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 14:22:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:22:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:22:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:22:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:22:22,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:22:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:22:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:22:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:22:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 14:22:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:22:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:22:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:22:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 14:22:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:22:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:22:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:22:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:22:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:22:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:22:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:22:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:22:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:22:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:22:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:22:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:22:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:22:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:22:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:22:22,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:22:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:22:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:22:22,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:22:23,352 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:22:23,352 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:22:23,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:22:23 BoogieIcfgContainer [2020-09-25 14:22:23,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:22:23,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:22:23,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:22:23,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:22:23,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:22:21" (1/3) ... [2020-09-25 14:22:23,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2631ceed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:22:23, skipping insertion in model container [2020-09-25 14:22:23,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:22:22" (2/3) ... [2020-09-25 14:22:23,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2631ceed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:22:23, skipping insertion in model container [2020-09-25 14:22:23,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:22:23" (3/3) ... [2020-09-25 14:22:23,369 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-09-25 14:22:23,380 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:22:23,391 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:22:23,414 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:22:23,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:22:23,442 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:22:23,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:22:23,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:22:23,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:22:23,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:22:23,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:22:23,443 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:22:23,471 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 14:22:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:22:23,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:22:23,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:22:23,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:22:23,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:22:23,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1993009160, now seen corresponding path program 1 times [2020-09-25 14:22:23,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:22:23,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286606414] [2020-09-25 14:22:23,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:22:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:25,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:26,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:28,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:28,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 14:22:28,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:22:28,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 14:22:28,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:28,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:28,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:28,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:22:28,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 14:22:28,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:22:29,225 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:22:29,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:22:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:22:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 14:22:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:22:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:22:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:29,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:29,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:29,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:29,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:29,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:22:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:29,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:22:29,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:29,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 23 [2020-09-25 14:22:29,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:22:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:29,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:22:29,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:29,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:29,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:29,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:22:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:29,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:29,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:29,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:22:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:29,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:29,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:22:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:22:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:29,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:29,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:29,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:29,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:29,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:29,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:29,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:22:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:22:29,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286606414] [2020-09-25 14:22:29,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:22:29,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:22:29,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058561237] [2020-09-25 14:22:29,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:22:29,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:22:29,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:22:29,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:22:29,739 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 4 states. [2020-09-25 14:22:30,246 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:22:31,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:22:31,217 INFO L93 Difference]: Finished difference Result 465 states and 549 transitions. [2020-09-25 14:22:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:22:31,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 14:22:31,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:22:31,239 INFO L225 Difference]: With dead ends: 465 [2020-09-25 14:22:31,239 INFO L226 Difference]: Without dead ends: 290 [2020-09-25 14:22:31,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:22:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-25 14:22:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 249. [2020-09-25 14:22:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 14:22:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 267 transitions. [2020-09-25 14:22:31,351 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 267 transitions. Word has length 142 [2020-09-25 14:22:31,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:22:31,352 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 267 transitions. [2020-09-25 14:22:31,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:22:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 267 transitions. [2020-09-25 14:22:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 14:22:31,357 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:22:31,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:22:31,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:22:31,358 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:22:31,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:22:31,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1090071671, now seen corresponding path program 1 times [2020-09-25 14:22:31,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:22:31,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25329349] [2020-09-25 14:22:31,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:22:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:31,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:31,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:36,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:36,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 14:22:36,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:22:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 14:22:36,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:36,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:22:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:22:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:22:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:36,762 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:22:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:22:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:22:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 14:22:37,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:22:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:22:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:37,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:37,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:22:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:37,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:37,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:22:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:37,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:22:37,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:37,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:22:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:37,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:37,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 14:22:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:22:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:22:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:22:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:22:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 14:22:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:22:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:37,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:37,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:37,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:37,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:22:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:22:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:37,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:22:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:37,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:22:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:37,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:37,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:37,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 14:22:37,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:37,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:22:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:22:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:22:37,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25329349] [2020-09-25 14:22:37,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:22:37,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:22:37,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55918721] [2020-09-25 14:22:37,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:22:37,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:22:37,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:22:37,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:22:37,251 INFO L87 Difference]: Start difference. First operand 249 states and 267 transitions. Second operand 6 states. [2020-09-25 14:22:37,760 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:22:39,301 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:22:40,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:22:40,191 INFO L93 Difference]: Finished difference Result 574 states and 675 transitions. [2020-09-25 14:22:40,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 14:22:40,192 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2020-09-25 14:22:40,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:22:40,197 INFO L225 Difference]: With dead ends: 574 [2020-09-25 14:22:40,197 INFO L226 Difference]: Without dead ends: 435 [2020-09-25 14:22:40,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-25 14:22:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-25 14:22:40,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 363. [2020-09-25 14:22:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-25 14:22:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 401 transitions. [2020-09-25 14:22:40,275 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 401 transitions. Word has length 151 [2020-09-25 14:22:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:22:40,276 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 401 transitions. [2020-09-25 14:22:40,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:22:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 401 transitions. [2020-09-25 14:22:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-25 14:22:40,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:22:40,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:22:40,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:22:40,281 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:22:40,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:22:40,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1083295401, now seen corresponding path program 1 times [2020-09-25 14:22:40,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:22:40,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614269120] [2020-09-25 14:22:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:22:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:40,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:41,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:41,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:41,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 14:22:45,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:22:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 14:22:45,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:22:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 14:22:45,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-25 14:22:45,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,765 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:22:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:22:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:22:45,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 14:22:45,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:45,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:45,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:22:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:45,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:45,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:45,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:22:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:45,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:45,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:22:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:45,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:45,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:45,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:45,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:45,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:22:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:45,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:45,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:45,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:45,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:45,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:45,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 14:22:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:45,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 14:22:46,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:22:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 14:22:46,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:22:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:22:46,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-25 14:22:46,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:22:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:46,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:22:46,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 14:22:46,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:46,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:22:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:22:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:46,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:22:46,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:22:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 14:22:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:46,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:46,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:46,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-25 14:22:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:46,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:46,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:46,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:22:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:46,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:22:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:22:46,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614269120] [2020-09-25 14:22:46,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:22:46,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:22:46,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265914604] [2020-09-25 14:22:46,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:22:46,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:22:46,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:22:46,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:22:46,233 INFO L87 Difference]: Start difference. First operand 363 states and 401 transitions. Second operand 9 states. [2020-09-25 14:22:46,904 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:22:48,328 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:22:48,680 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:22:49,024 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:22:49,356 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:22:49,662 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:22:50,081 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:22:50,374 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:22:50,727 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:22:51,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:22:51,550 INFO L93 Difference]: Finished difference Result 438 states and 505 transitions. [2020-09-25 14:22:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:22:51,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 184 [2020-09-25 14:22:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:22:51,557 INFO L225 Difference]: With dead ends: 438 [2020-09-25 14:22:51,557 INFO L226 Difference]: Without dead ends: 435 [2020-09-25 14:22:51,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:22:51,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-25 14:22:51,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 363. [2020-09-25 14:22:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-09-25 14:22:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 400 transitions. [2020-09-25 14:22:51,611 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 400 transitions. Word has length 184 [2020-09-25 14:22:51,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:22:51,612 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 400 transitions. [2020-09-25 14:22:51,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:22:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 400 transitions. [2020-09-25 14:22:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-25 14:22:51,616 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:22:51,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:51,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:22:51,616 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:22:51,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:22:51,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1992863700, now seen corresponding path program 1 times [2020-09-25 14:22:51,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:22:51,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604221378] [2020-09-25 14:22:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:22:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:51,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:51,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:52,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 14:22:56,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:22:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 14:22:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:56,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:22:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:22:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-25 14:22:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:22:56,958 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:22:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:22:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:22:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 14:22:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:22:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:22:57,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:22:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:57,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:57,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:22:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:57,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:57,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:22:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:57,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:22:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:57,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:22:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:22:57,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:57,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:22:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:22:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 14:22:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 14:22:57,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:22:57,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 14:22:57,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:22:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 14:22:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:22:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 14:22:57,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:22:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:22:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:22:57,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:22:57,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 14:22:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 14:22:57,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:22:57,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:22:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 14:22:57,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:57,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 14:22:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:57,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:57,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:22:57,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:22:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:22:57,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:22:57,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 14:22:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:57,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:22:57,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:22:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:22:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:22:57,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:22:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:22:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:22:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:22:57,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:22:57,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:22:57,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:22:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:22:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:22:57,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604221378] [2020-09-25 14:22:57,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:22:57,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:22:57,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008429555] [2020-09-25 14:22:57,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:22:57,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:22:57,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:22:57,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:22:57,628 INFO L87 Difference]: Start difference. First operand 363 states and 400 transitions. Second operand 9 states. [2020-09-25 14:22:58,321 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:22:59,789 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:00,115 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:23:00,375 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:00,693 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:23:01,005 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:01,479 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:23:01,752 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:23:03,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:23:03,009 INFO L93 Difference]: Finished difference Result 888 states and 1071 transitions. [2020-09-25 14:23:03,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 14:23:03,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 198 [2020-09-25 14:23:03,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:23:03,015 INFO L225 Difference]: With dead ends: 888 [2020-09-25 14:23:03,015 INFO L226 Difference]: Without dead ends: 635 [2020-09-25 14:23:03,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-25 14:23:03,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2020-09-25 14:23:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 550. [2020-09-25 14:23:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-09-25 14:23:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 624 transitions. [2020-09-25 14:23:03,098 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 624 transitions. Word has length 198 [2020-09-25 14:23:03,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:23:03,099 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 624 transitions. [2020-09-25 14:23:03,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:23:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 624 transitions. [2020-09-25 14:23:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 14:23:03,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:23:03,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:23:03,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:23:03,104 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:23:03,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:23:03,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1175095200, now seen corresponding path program 1 times [2020-09-25 14:23:03,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:23:03,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932842407] [2020-09-25 14:23:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:23:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:03,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:03,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:07,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 14:23:08,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:23:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 14:23:08,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-25 14:23:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 14:23:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-25 14:23:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:08,494 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:23:08,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:23:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:23:08,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:08,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 14:23:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 14:23:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:23:08,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:23:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:08,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:23:08,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:23:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:08,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:23:08,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:08,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:23:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:23:08,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:23:08,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:08,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:23:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:23:08,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:23:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:23:08,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:23:08,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:23:08,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:23:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:23:08,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:23:08,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:23:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:23:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:23:08,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:23:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:23:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 14:23:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:23:08,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking...