/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 interpolation-heuristic=FIRST --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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:49:48,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:49:48,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:49:48,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:49:48,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:49:48,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:49:48,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:49:48,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:49:48,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:49:48,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:49:48,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:49:48,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:49:48,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:49:48,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:49:48,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:49:48,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:49:48,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:49:48,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:49:48,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:49:48,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:49:48,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:49:48,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:49:48,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:49:48,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:49:48,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:49:48,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:49:48,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:49:48,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:49:48,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:49:48,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:49:48,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:49:48,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:49:48,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:49:48,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:49:48,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:49:48,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:49:48,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:49:48,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:49:48,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:49:48,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:49:48,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:49:48,836 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 [2020-09-24 15:49:48,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:49:48,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:49:48,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:49:48,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:49:48,887 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:49:48,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:49:48,888 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:49:48,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:49:48,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:49:48,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:49:48,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:49:48,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:49:48,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:49:48,890 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:49:48,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:49:48,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:49:48,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:49:48,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:49:48,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:49:48,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:49:48,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:49:48,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:48,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:49:48,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:49:48,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:49:48,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:49:48,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:49:48,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:49:48,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:49:48,894 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:49:49,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:49:49,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:49:49,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:49:49,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:49:49,398 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:49:49,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product36.cil.c [2020-09-24 15:49:49,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49479315b/342e30d68d264ee4bd0e4b134a707ac9/FLAGd8cc358b7 [2020-09-24 15:49:50,086 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:49:50,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product36.cil.c [2020-09-24 15:49:50,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49479315b/342e30d68d264ee4bd0e4b134a707ac9/FLAGd8cc358b7 [2020-09-24 15:49:50,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/49479315b/342e30d68d264ee4bd0e4b134a707ac9 [2020-09-24 15:49:50,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:49:50,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:49:50,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:50,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:49:50,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:49:50,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:50" (1/1) ... [2020-09-24 15:49:50,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2844f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:50, skipping insertion in model container [2020-09-24 15:49:50,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:50" (1/1) ... [2020-09-24 15:49:50,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:49:50,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:49:51,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:51,044 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:49:51,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:51,159 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:49:51,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51 WrapperNode [2020-09-24 15:49:51,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:51,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:49:51,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:49:51,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:49:51,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (1/1) ... [2020-09-24 15:49:51,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:49:51,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:49:51,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:49:51,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:49:51,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (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 [2020-09-24 15:49:51,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:49:51,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:49:51,379 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:49:51,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:49:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:49:51,381 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:49:51,382 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:49:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:49:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:49:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:49:51,383 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:49:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:49:51,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:49:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:49:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:49:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:49:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:49:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:49:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:49:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:49:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:49:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:49:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:49:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:49:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:49:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:49:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:49:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:49:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:49:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:49:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:49:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:49:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:49:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:49:52,709 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:49:52,709 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:49:52,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:52 BoogieIcfgContainer [2020-09-24 15:49:52,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:49:52,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:49:52,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:49:52,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:49:52,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:49:50" (1/3) ... [2020-09-24 15:49:52,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed4133e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:52, skipping insertion in model container [2020-09-24 15:49:52,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:51" (2/3) ... [2020-09-24 15:49:52,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed4133e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:52, skipping insertion in model container [2020-09-24 15:49:52,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:52" (3/3) ... [2020-09-24 15:49:52,735 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product36.cil.c [2020-09-24 15:49:52,749 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:49:52,763 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:49:52,787 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:49:52,831 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:49:52,831 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:49:52,831 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:49:52,831 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:49:52,831 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:49:52,831 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:49:52,832 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:49:52,832 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:49:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-24 15:49:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:49:52,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:52,883 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] [2020-09-24 15:49:52,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:52,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:52,892 INFO L82 PathProgramCache]: Analyzing trace with hash 391863934, now seen corresponding path program 1 times [2020-09-24 15:49:52,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:52,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790222858] [2020-09-24 15:49:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:53,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:53,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:53,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:53,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:49:53,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:53,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:49:53,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:49:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:53,798 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:53,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:53,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:53,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:53,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:53,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:53,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:53,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:53,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:53,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:53,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:53,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:53,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:53,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:53,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:53,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:53,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:53,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:53,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:53,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:53,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:53,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:53,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:53,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:53,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:53,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:54,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:54,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:54,006 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:54,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:54,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:54,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:54,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:54,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:54,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:54,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:49:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:54,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:54,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:54,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:54,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:54,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:54,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:54,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:54,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:54,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:54,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:49:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:54,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:54,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:54,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:54,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:54,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:54,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:54,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:54,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:54,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:54,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:54,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790222858] [2020-09-24 15:49:54,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:54,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:49:54,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234907460] [2020-09-24 15:49:54,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:49:54,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:49:54,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:54,091 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 3 states. [2020-09-24 15:49:55,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:55,519 INFO L93 Difference]: Finished difference Result 448 states and 534 transitions. [2020-09-24 15:49:55,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:49:55,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:49:55,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:55,559 INFO L225 Difference]: With dead ends: 448 [2020-09-24 15:49:55,560 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 15:49:55,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:55,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 15:49:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240. [2020-09-24 15:49:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-24 15:49:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-09-24 15:49:55,721 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 142 [2020-09-24 15:49:55,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:55,724 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-09-24 15:49:55,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:49:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-09-24 15:49:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:49:55,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:55,734 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] [2020-09-24 15:49:55,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:49:55,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:55,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:55,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1207117873, now seen corresponding path program 1 times [2020-09-24 15:49:55,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:55,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114660773] [2020-09-24 15:49:55,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:55,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:55,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:55,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:55,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:55,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:49:55,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:55,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:49:55,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:55,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:49:55,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:49:55,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,185 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:56,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:49:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:49:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:56,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114660773] [2020-09-24 15:49:56,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:56,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:49:56,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791535131] [2020-09-24 15:49:56,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:49:56,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:56,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:49:56,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:49:56,313 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 4 states. [2020-09-24 15:49:56,988 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:49:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:57,905 INFO L93 Difference]: Finished difference Result 352 states and 395 transitions. [2020-09-24 15:49:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:49:57,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:49:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:57,916 INFO L225 Difference]: With dead ends: 352 [2020-09-24 15:49:57,917 INFO L226 Difference]: Without dead ends: 265 [2020-09-24 15:49:57,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:49:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-24 15:49:57,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230. [2020-09-24 15:49:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-24 15:49:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-09-24 15:49:57,958 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 143 [2020-09-24 15:49:57,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:57,958 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-09-24 15:49:57,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:49:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-09-24 15:49:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:49:57,961 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:57,961 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] [2020-09-24 15:49:57,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:49:57,962 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:57,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:57,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2086984222, now seen corresponding path program 1 times [2020-09-24 15:49:57,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:57,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256036176] [2020-09-24 15:49:57,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:49:58,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:49:58,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:49:58,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:49:58,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:49:58,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:58,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:49:58,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:49:58,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,347 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:58,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:58,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:58,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:58,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:49:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:49:58,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:58,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:49:58,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:49:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:58,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:49:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:58,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:58,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256036176] [2020-09-24 15:49:58,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:58,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:49:58,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768944013] [2020-09-24 15:49:58,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:49:58,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:58,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:49:58,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:49:58,497 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 5 states. [2020-09-24 15:49:59,038 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:00,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:00,664 INFO L93 Difference]: Finished difference Result 536 states and 619 transitions. [2020-09-24 15:50:00,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:50:00,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:50:00,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:00,673 INFO L225 Difference]: With dead ends: 536 [2020-09-24 15:50:00,673 INFO L226 Difference]: Without dead ends: 416 [2020-09-24 15:50:00,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:00,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-24 15:50:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 334. [2020-09-24 15:50:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-24 15:50:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 365 transitions. [2020-09-24 15:50:00,751 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 365 transitions. Word has length 156 [2020-09-24 15:50:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:00,754 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 365 transitions. [2020-09-24 15:50:00,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:50:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 365 transitions. [2020-09-24 15:50:00,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:50:00,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:00,758 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] [2020-09-24 15:50:00,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:00,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:00,759 INFO L82 PathProgramCache]: Analyzing trace with hash 228813241, now seen corresponding path program 1 times [2020-09-24 15:50:00,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:00,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817256501] [2020-09-24 15:50:00,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:00,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:00,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:00,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:00,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:00,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:50:00,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:00,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:50:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:00,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:50:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:01,349 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:01,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:01,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:01,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:01,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,509 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:01,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:01,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:01,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:50:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:50:01,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:50:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:01,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817256501] [2020-09-24 15:50:01,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:01,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:01,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143995094] [2020-09-24 15:50:01,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:01,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:01,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:01,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:01,698 INFO L87 Difference]: Start difference. First operand 334 states and 365 transitions. Second operand 9 states. [2020-09-24 15:50:02,230 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:03,716 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:04,077 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:04,445 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:04,777 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:05,148 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:05,453 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:05,769 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:06,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:06,892 INFO L93 Difference]: Finished difference Result 856 states and 1023 transitions. [2020-09-24 15:50:06,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:06,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:50:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:06,900 INFO L225 Difference]: With dead ends: 856 [2020-09-24 15:50:06,901 INFO L226 Difference]: Without dead ends: 632 [2020-09-24 15:50:06,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:06,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-09-24 15:50:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 541. [2020-09-24 15:50:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-09-24 15:50:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 607 transitions. [2020-09-24 15:50:07,070 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 607 transitions. Word has length 161 [2020-09-24 15:50:07,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:07,070 INFO L479 AbstractCegarLoop]: Abstraction has 541 states and 607 transitions. [2020-09-24 15:50:07,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 607 transitions. [2020-09-24 15:50:07,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:07,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:07,075 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] [2020-09-24 15:50:07,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:07,075 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:07,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:07,076 INFO L82 PathProgramCache]: Analyzing trace with hash 161684294, now seen corresponding path program 1 times [2020-09-24 15:50:07,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:07,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [279433359] [2020-09-24 15:50:07,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:50:07,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:50:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:50:07,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,569 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:07,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:07,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:07,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:07,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:07,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:07,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:07,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:07,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:07,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [279433359] [2020-09-24 15:50:07,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:07,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:50:07,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533896874] [2020-09-24 15:50:07,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:50:07,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:07,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:50:07,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:07,880 INFO L87 Difference]: Start difference. First operand 541 states and 607 transitions. Second operand 12 states. [2020-09-24 15:50:08,432 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:09,982 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:10,308 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:10,683 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:11,034 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:11,337 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:11,644 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:11,936 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:12,425 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:14,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:14,436 INFO L93 Difference]: Finished difference Result 1188 states and 1509 transitions. [2020-09-24 15:50:14,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:50:14,437 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:50:14,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:14,444 INFO L225 Difference]: With dead ends: 1188 [2020-09-24 15:50:14,444 INFO L226 Difference]: Without dead ends: 942 [2020-09-24 15:50:14,446 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:50:14,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2020-09-24 15:50:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 730. [2020-09-24 15:50:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2020-09-24 15:50:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 840 transitions. [2020-09-24 15:50:14,555 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 840 transitions. Word has length 166 [2020-09-24 15:50:14,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:14,556 INFO L479 AbstractCegarLoop]: Abstraction has 730 states and 840 transitions. [2020-09-24 15:50:14,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:50:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 840 transitions. [2020-09-24 15:50:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:14,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:14,561 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] [2020-09-24 15:50:14,561 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:14,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:14,562 INFO L82 PathProgramCache]: Analyzing trace with hash -804462012, now seen corresponding path program 1 times [2020-09-24 15:50:14,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:14,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134971050] [2020-09-24 15:50:14,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:14,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:50:14,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,982 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:14,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,025 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:15,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:15,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:15,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:15,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:15,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:15,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:15,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:15,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:15,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:15,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:15,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:15,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:15,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:50:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:15,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:15,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:15,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:15,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:15,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:15,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:15,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:15,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:15,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:15,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:15,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:15,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:15,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:15,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:15,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:15,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134971050] [2020-09-24 15:50:15,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:15,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:50:15,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819409588] [2020-09-24 15:50:15,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:50:15,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:15,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:50:15,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:50:15,198 INFO L87 Difference]: Start difference. First operand 730 states and 840 transitions. Second operand 6 states. [2020-09-24 15:50:15,735 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:17,679 INFO L93 Difference]: Finished difference Result 1797 states and 2199 transitions. [2020-09-24 15:50:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:17,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:50:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:17,687 INFO L225 Difference]: With dead ends: 1797 [2020-09-24 15:50:17,687 INFO L226 Difference]: Without dead ends: 1177 [2020-09-24 15:50:17,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2020-09-24 15:50:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1096. [2020-09-24 15:50:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-09-24 15:50:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1290 transitions. [2020-09-24 15:50:17,839 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1290 transitions. Word has length 166 [2020-09-24 15:50:17,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:17,840 INFO L479 AbstractCegarLoop]: Abstraction has 1096 states and 1290 transitions. [2020-09-24 15:50:17,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:50:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1290 transitions. [2020-09-24 15:50:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 15:50:17,845 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:17,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:17,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:17,846 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:17,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:17,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1376174402, now seen corresponding path program 1 times [2020-09-24 15:50:17,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:17,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571202203] [2020-09-24 15:50:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:50:17,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:50:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:50:17,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,313 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,351 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:18,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,440 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:18,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:50:18,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:18,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:18,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:18,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:18,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:18,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:18,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:18,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:18,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:18,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:18,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:18,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-24 15:50:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:50:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:18,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:18,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:50:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:18,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:18,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:18,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:50:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:18,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:18,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:18,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:18,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 15:50:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:18,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:50:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 15:50:18,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571202203] [2020-09-24 15:50:18,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:18,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:50:18,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542296286] [2020-09-24 15:50:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:50:18,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:18,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:50:18,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:50:18,821 INFO L87 Difference]: Start difference. First operand 1096 states and 1290 transitions. Second operand 16 states. [2020-09-24 15:50:19,330 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:20,158 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:21,384 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:21,674 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:22,028 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:22,411 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:22,722 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:23,038 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:23,360 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:23,664 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:23,982 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:24,381 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:24,770 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:25,089 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:26,649 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:26,938 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:27,270 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:27,617 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:27,952 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:28,240 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:28,995 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:50:29,939 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:50:30,544 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:50:31,182 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-24 15:50:31,784 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:50:32,393 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:50:32,963 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:50:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:33,985 INFO L93 Difference]: Finished difference Result 2683 states and 3355 transitions. [2020-09-24 15:50:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-24 15:50:33,986 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 245 [2020-09-24 15:50:33,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:33,997 INFO L225 Difference]: With dead ends: 2683 [2020-09-24 15:50:33,997 INFO L226 Difference]: Without dead ends: 1697 [2020-09-24 15:50:34,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=759, Invalid=2781, Unknown=0, NotChecked=0, Total=3540 [2020-09-24 15:50:34,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2020-09-24 15:50:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1375. [2020-09-24 15:50:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1375 states. [2020-09-24 15:50:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1586 transitions. [2020-09-24 15:50:34,192 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1586 transitions. Word has length 245 [2020-09-24 15:50:34,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:34,193 INFO L479 AbstractCegarLoop]: Abstraction has 1375 states and 1586 transitions. [2020-09-24 15:50:34,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:50:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1586 transitions. [2020-09-24 15:50:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-24 15:50:34,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:34,199 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:34,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:34,200 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:34,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:34,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1464679499, now seen corresponding path program 1 times [2020-09-24 15:50:34,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:34,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114018278] [2020-09-24 15:50:34,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-24 15:50:34,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:50:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,588 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:34,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:34,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,646 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,646 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:34,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,723 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:50:34,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:50:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:34,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:34,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:34,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:34,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:34,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:34,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:34,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:34,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:34,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-24 15:50:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:34,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:34,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:50:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:34,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 15:50:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 15:50:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:34,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-24 15:50:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:34,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:34,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:50:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:34,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:34,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:34,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:34,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:34,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:34,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:34,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 15:50:35,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114018278] [2020-09-24 15:50:35,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:35,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:50:35,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294013388] [2020-09-24 15:50:35,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:35,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:35,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:35,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:35,042 INFO L87 Difference]: Start difference. First operand 1375 states and 1586 transitions. Second operand 11 states. [2020-09-24 15:50:36,426 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:36,717 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:37,018 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:37,392 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:37,691 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:39,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:39,101 INFO L93 Difference]: Finished difference Result 2640 states and 3186 transitions. [2020-09-24 15:50:39,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:50:39,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-09-24 15:50:39,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:39,112 INFO L225 Difference]: With dead ends: 2640 [2020-09-24 15:50:39,112 INFO L226 Difference]: Without dead ends: 1375 [2020-09-24 15:50:39,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:50:39,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2020-09-24 15:50:39,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1162. [2020-09-24 15:50:39,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2020-09-24 15:50:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1325 transitions. [2020-09-24 15:50:39,284 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1325 transitions. Word has length 240 [2020-09-24 15:50:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:39,285 INFO L479 AbstractCegarLoop]: Abstraction has 1162 states and 1325 transitions. [2020-09-24 15:50:39,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1325 transitions. [2020-09-24 15:50:39,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-09-24 15:50:39,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:39,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:39,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:39,293 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:39,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:39,293 INFO L82 PathProgramCache]: Analyzing trace with hash -649112613, now seen corresponding path program 1 times [2020-09-24 15:50:39,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:39,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187970013] [2020-09-24 15:50:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-09-24 15:50:39,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:50:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-09-24 15:50:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:50:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,747 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:39,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,837 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 15:50:39,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:39,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:39,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:39,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:39,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:39,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-24 15:50:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:39,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:39,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:50:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:39,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:39,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-24 15:50:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:39,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:50:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:50:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,011 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:40,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-24 15:50:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:40,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:50:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:40,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:40,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-24 15:50:40,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187970013] [2020-09-24 15:50:40,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:40,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:50:40,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923033303] [2020-09-24 15:50:40,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:50:40,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:40,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:50:40,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:50:40,150 INFO L87 Difference]: Start difference. First operand 1162 states and 1325 transitions. Second operand 14 states. [2020-09-24 15:50:40,732 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:41,573 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:42,479 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:42,812 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:43,184 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:43,526 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:43,847 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:44,178 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:44,512 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:44,875 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:45,248 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:45,578 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189