/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 --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_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:16:37,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:16:37,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:16:38,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:16:38,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:16:38,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:16:38,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:16:38,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:16:38,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:16:38,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:16:38,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:16:38,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:16:38,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:16:38,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:16:38,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:16:38,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:16:38,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:16:38,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:16:38,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:16:38,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:16:38,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:16:38,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:16:38,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:16:38,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:16:38,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:16:38,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:16:38,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:16:38,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:16:38,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:16:38,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:16:38,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:16:38,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:16:38,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:16:38,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:16:38,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:16:38,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:16:38,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:16:38,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:16:38,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:16:38,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:16:38,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:16:38,075 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 [2020-09-21 11:16:38,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:16:38,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:16:38,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:16:38,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:16:38,125 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:16:38,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:16:38,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:16:38,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:16:38,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:16:38,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:16:38,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:16:38,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:16:38,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:16:38,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:16:38,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:16:38,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:16:38,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:16:38,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:16:38,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:16:38,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:16:38,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:16:38,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:16:38,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:16:38,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:16:38,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:16:38,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:16:38,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:16:38,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:16:38,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:16:38,132 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.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; [2020-09-21 11:16:38,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:16:38,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:16:38,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:16:38,640 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:16:38,640 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:16:38,641 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-21 11:16:38,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba4ba9073/ec0c64b7d7194cb8b9e2afea7996a826/FLAG10acca5b8 [2020-09-21 11:16:39,356 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:16:39,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-09-21 11:16:39,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba4ba9073/ec0c64b7d7194cb8b9e2afea7996a826/FLAG10acca5b8 [2020-09-21 11:16:39,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ba4ba9073/ec0c64b7d7194cb8b9e2afea7996a826 [2020-09-21 11:16:39,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:16:39,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:16:39,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:39,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:16:39,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:16:39,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:39" (1/1) ... [2020-09-21 11:16:39,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:39, skipping insertion in model container [2020-09-21 11:16:39,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:16:39" (1/1) ... [2020-09-21 11:16:39,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:16:39,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:16:40,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:40,304 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:16:40,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:16:40,429 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:16:40,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40 WrapperNode [2020-09-21 11:16:40,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:16:40,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:16:40,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:16:40,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:16:40,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (1/1) ... [2020-09-21 11:16:40,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:16:40,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:16:40,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:16:40,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:16:40,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (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 [2020-09-21 11:16:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:16:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:16:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:16:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:16:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:16:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:16:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:16:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:16:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:16:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:16:40,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:40,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:16:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:16:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:16:40,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:16:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:16:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:16:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:16:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:16:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:16:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:16:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:16:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:16:40,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:16:40,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:16:41,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:16:41,701 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:16:41,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:41 BoogieIcfgContainer [2020-09-21 11:16:41,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:16:41,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:16:41,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:16:41,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:16:41,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:16:39" (1/3) ... [2020-09-21 11:16:41,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079c3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:41, skipping insertion in model container [2020-09-21 11:16:41,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:16:40" (2/3) ... [2020-09-21 11:16:41,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1079c3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:16:41, skipping insertion in model container [2020-09-21 11:16:41,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:16:41" (3/3) ... [2020-09-21 11:16:41,718 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-09-21 11:16:41,730 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:16:41,741 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:16:41,764 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:16:41,806 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:16:41,806 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:16:41,806 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:16:41,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:16:41,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:16:41,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:16:41,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:16:41,809 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:16:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-09-21 11:16:41,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:16:41,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:41,860 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:41,861 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:41,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:41,869 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-09-21 11:16:41,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:41,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253020075] [2020-09-21 11:16:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:16:42,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:16:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:16:42,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,732 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:42,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:16:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:42,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:16:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:42,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:42,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:42,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:42,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:42,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:42,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:42,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:42,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:42,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:42,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253020075] [2020-09-21 11:16:42,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:42,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:16:42,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018088901] [2020-09-21 11:16:42,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:16:42,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:42,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:16:42,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:42,956 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 4 states. [2020-09-21 11:16:44,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:44,148 INFO L93 Difference]: Finished difference Result 330 states and 424 transitions. [2020-09-21 11:16:44,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:16:44,150 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:16:44,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:44,168 INFO L225 Difference]: With dead ends: 330 [2020-09-21 11:16:44,168 INFO L226 Difference]: Without dead ends: 182 [2020-09-21 11:16:44,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:16:44,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-09-21 11:16:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 149. [2020-09-21 11:16:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-21 11:16:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-09-21 11:16:44,292 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-09-21 11:16:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:44,292 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-09-21 11:16:44,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:16:44,293 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-09-21 11:16:44,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:16:44,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:44,297 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:44,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:16:44,298 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:44,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:44,298 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-09-21 11:16:44,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:44,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603363666] [2020-09-21 11:16:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:44,763 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:44,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:44,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:44,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:16:44,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-09-21 11:16:44,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:44,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:16:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:16:44,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,096 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:45,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,179 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:45,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:45,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:45,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:45,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:45,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,261 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:45,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:45,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:45,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:45,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:45,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:16:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,283 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,284 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:45,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:45,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:45,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:45,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:45,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:45,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:45,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:45,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:45,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:45,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:45,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:45,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603363666] [2020-09-21 11:16:45,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:45,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:16:45,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664911570] [2020-09-21 11:16:45,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:16:45,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:45,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:16:45,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:16:45,306 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 5 states. [2020-09-21 11:16:45,687 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:47,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:47,734 INFO L93 Difference]: Finished difference Result 434 states and 540 transitions. [2020-09-21 11:16:47,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:16:47,735 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:16:47,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:47,748 INFO L225 Difference]: With dead ends: 434 [2020-09-21 11:16:47,748 INFO L226 Difference]: Without dead ends: 313 [2020-09-21 11:16:47,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:16:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2020-09-21 11:16:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 264. [2020-09-21 11:16:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-21 11:16:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 319 transitions. [2020-09-21 11:16:47,843 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 319 transitions. Word has length 64 [2020-09-21 11:16:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:47,844 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 319 transitions. [2020-09-21 11:16:47,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:16:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 319 transitions. [2020-09-21 11:16:47,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:16:47,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:47,848 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:47,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:16:47,848 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:47,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-09-21 11:16:47,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:47,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424256596] [2020-09-21 11:16:47,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:48,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:48,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:48,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:48,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:48,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:16:48,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:48,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-09-21 11:16:48,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:48,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:16:48,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:48,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:16:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:48,863 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-09-21 11:16:49,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:49,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:49,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:49,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:49,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:49,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:49,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:49,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:49,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:16:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:49,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:16:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:49,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:49,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:16:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:49,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:49,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:49,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:49,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:49,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:49,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:16:49,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424256596] [2020-09-21 11:16:49,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:49,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:49,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934357104] [2020-09-21 11:16:49,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:49,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:49,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:49,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:49,303 INFO L87 Difference]: Start difference. First operand 264 states and 319 transitions. Second operand 9 states. [2020-09-21 11:16:49,728 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:50,414 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:51,790 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:52,196 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:52,838 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:53,134 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:53,994 INFO L93 Difference]: Finished difference Result 756 states and 1009 transitions. [2020-09-21 11:16:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:16:53,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:16:53,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:54,002 INFO L225 Difference]: With dead ends: 756 [2020-09-21 11:16:54,002 INFO L226 Difference]: Without dead ends: 520 [2020-09-21 11:16:54,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:16:54,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-21 11:16:54,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 436. [2020-09-21 11:16:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-09-21 11:16:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 541 transitions. [2020-09-21 11:16:54,102 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 541 transitions. Word has length 70 [2020-09-21 11:16:54,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:54,103 INFO L479 AbstractCegarLoop]: Abstraction has 436 states and 541 transitions. [2020-09-21 11:16:54,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:54,103 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 541 transitions. [2020-09-21 11:16:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:16:54,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:54,107 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:16:54,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:16:54,108 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:54,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:54,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-09-21 11:16:54,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:54,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642372299] [2020-09-21 11:16:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:16:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-21 11:16:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:16:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-09-21 11:16:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,707 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:54,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-21 11:16:54,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:54,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:54,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:54,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:54,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:54,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:16:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:16:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:16:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:54,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:54,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:54,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:54,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:54,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:54,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:54,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:54,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:54,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:54,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,028 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,028 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,029 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:16:55,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:16:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:16:55,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:16:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:16:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:55,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:55,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:55,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:55,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:55,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:55,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:55,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:55,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:55,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:55,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:55,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:16:55,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642372299] [2020-09-21 11:16:55,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:55,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:55,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284776932] [2020-09-21 11:16:55,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:55,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:55,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:55,126 INFO L87 Difference]: Start difference. First operand 436 states and 541 transitions. Second operand 9 states. [2020-09-21 11:16:55,624 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:56,809 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:57,217 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:57,616 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:57,997 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:59,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:59,828 INFO L93 Difference]: Finished difference Result 1327 states and 1858 transitions. [2020-09-21 11:16:59,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:59,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-09-21 11:16:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:59,843 INFO L225 Difference]: With dead ends: 1327 [2020-09-21 11:16:59,843 INFO L226 Difference]: Without dead ends: 919 [2020-09-21 11:16:59,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2020-09-21 11:17:00,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 781. [2020-09-21 11:17:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-09-21 11:17:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 984 transitions. [2020-09-21 11:17:00,054 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 984 transitions. Word has length 107 [2020-09-21 11:17:00,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:00,055 INFO L479 AbstractCegarLoop]: Abstraction has 781 states and 984 transitions. [2020-09-21 11:17:00,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 984 transitions. [2020-09-21 11:17:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:17:00,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:00,058 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:00,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:17:00,059 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:00,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-09-21 11:17:00,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:00,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473058776] [2020-09-21 11:17:00,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:17:00,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:00,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-21 11:17:00,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:00,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,395 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:00,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:00,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:00,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:00,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:00,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:00,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:00,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:00,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:00,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:00,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:00,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:00,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:00,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:00,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:17:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:00,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:00,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:00,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:00,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:00,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:00,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:00,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:00,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473058776] [2020-09-21 11:17:00,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:00,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:00,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344169942] [2020-09-21 11:17:00,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:00,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:00,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:00,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:00,659 INFO L87 Difference]: Start difference. First operand 781 states and 984 transitions. Second operand 9 states. [2020-09-21 11:17:01,875 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:02,228 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:02,605 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:02,928 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:04,034 INFO L93 Difference]: Finished difference Result 1679 states and 2287 transitions. [2020-09-21 11:17:04,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:17:04,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-09-21 11:17:04,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:04,046 INFO L225 Difference]: With dead ends: 1679 [2020-09-21 11:17:04,046 INFO L226 Difference]: Without dead ends: 926 [2020-09-21 11:17:04,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-09-21 11:17:04,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 801. [2020-09-21 11:17:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-09-21 11:17:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1004 transitions. [2020-09-21 11:17:04,193 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1004 transitions. Word has length 107 [2020-09-21 11:17:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:04,194 INFO L479 AbstractCegarLoop]: Abstraction has 801 states and 1004 transitions. [2020-09-21 11:17:04,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:17:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1004 transitions. [2020-09-21 11:17:04,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-21 11:17:04,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:04,197 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:04,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:17:04,197 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:04,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:04,198 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-09-21 11:17:04,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:04,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978346914] [2020-09-21 11:17:04,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:04,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -66 [2020-09-21 11:17:04,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 66 [2020-09-21 11:17:04,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-21 11:17:04,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:17:04,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:17:04,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,571 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:04,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:04,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:04,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:17:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:17:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:04,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:04,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:04,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:17:04,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:04,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:17:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:04,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:04,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:04,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:04,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:17:04,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:04,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:04,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:04,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-21 11:17:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:17:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:04,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:04,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:04,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:04,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:04,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:04,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978346914] [2020-09-21 11:17:04,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:04,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:17:04,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084306694] [2020-09-21 11:17:04,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:17:04,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:04,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:17:04,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:17:04,848 INFO L87 Difference]: Start difference. First operand 801 states and 1004 transitions. Second operand 8 states. [2020-09-21 11:17:05,884 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:06,207 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:06,505 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:07,653 INFO L93 Difference]: Finished difference Result 1481 states and 1957 transitions. [2020-09-21 11:17:07,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:17:07,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-21 11:17:07,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:07,659 INFO L225 Difference]: With dead ends: 1481 [2020-09-21 11:17:07,660 INFO L226 Difference]: Without dead ends: 689 [2020-09-21 11:17:07,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-09-21 11:17:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 602. [2020-09-21 11:17:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-09-21 11:17:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 723 transitions. [2020-09-21 11:17:07,765 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 723 transitions. Word has length 107 [2020-09-21 11:17:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:07,766 INFO L479 AbstractCegarLoop]: Abstraction has 602 states and 723 transitions. [2020-09-21 11:17:07,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:17:07,766 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2020-09-21 11:17:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:17:07,768 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:07,768 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:07,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:17:07,769 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:07,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:07,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-09-21 11:17:07,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:07,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327640755] [2020-09-21 11:17:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-21 11:17:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:17:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-09-21 11:17:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,611 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:08,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,713 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,713 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:17:08,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:08,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:08,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:08,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:08,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:08,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:17:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:17:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:08,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:08,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:17:08,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,904 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:08,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:08,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:08,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:08,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,936 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,936 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:08,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-21 11:17:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:08,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:08,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:08,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 11:17:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:08,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:08,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:08,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:08,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:08,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:09,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327640755] [2020-09-21 11:17:09,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:09,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:17:09,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654583718] [2020-09-21 11:17:09,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:17:09,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:09,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:17:09,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:17:09,035 INFO L87 Difference]: Start difference. First operand 602 states and 723 transitions. Second operand 12 states. [2020-09-21 11:17:09,544 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:10,341 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:11,209 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:11,617 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:11,948 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:17:12,316 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:12,687 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:14,741 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:15,023 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:16,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:16,558 INFO L93 Difference]: Finished difference Result 1943 states and 2666 transitions. [2020-09-21 11:17:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:17:16,559 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-09-21 11:17:16,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:16,573 INFO L225 Difference]: With dead ends: 1943 [2020-09-21 11:17:16,573 INFO L226 Difference]: Without dead ends: 1468 [2020-09-21 11:17:16,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:17:16,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2020-09-21 11:17:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1264. [2020-09-21 11:17:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1264 states. [2020-09-21 11:17:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1534 transitions. [2020-09-21 11:17:16,783 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1534 transitions. Word has length 111 [2020-09-21 11:17:16,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:16,784 INFO L479 AbstractCegarLoop]: Abstraction has 1264 states and 1534 transitions. [2020-09-21 11:17:16,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:17:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1534 transitions. [2020-09-21 11:17:16,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-21 11:17:16,790 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:16,791 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:17:16,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:17:16,792 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:16,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:16,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1275430475, now seen corresponding path program 1 times [2020-09-21 11:17:16,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:16,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521836036] [2020-09-21 11:17:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:16,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:16,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:16,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:16,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:16,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:17:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:17,140 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:17,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:17,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:17,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:17,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:17,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:17:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,286 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:17,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:17,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:17,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:17,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:17:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:17,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:17:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:17:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:17,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,400 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,400 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:17,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:17,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:17:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:17,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:17,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,440 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:17,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:17,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:17,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:17,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:17,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:17,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,483 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:17,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:17,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-21 11:17:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:17,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-21 11:17:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-21 11:17:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:17,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-21 11:17:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:17,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:17,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:17,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:17,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:17,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:17,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:17,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:17,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:17:17,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521836036] [2020-09-21 11:17:17,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:17,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:17:17,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198675028] [2020-09-21 11:17:17,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:17:17,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:17,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:17:17,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:17:17,613 INFO L87 Difference]: Start difference. First operand 1264 states and 1534 transitions. Second operand 10 states. [2020-09-21 11:17:18,246 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:19,137 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:21,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:21,596 INFO L93 Difference]: Finished difference Result 1623 states and 2039 transitions. [2020-09-21 11:17:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:17:21,596 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-09-21 11:17:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:21,602 INFO L225 Difference]: With dead ends: 1623 [2020-09-21 11:17:21,602 INFO L226 Difference]: Without dead ends: 719 [2020-09-21 11:17:21,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:17:21,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-09-21 11:17:21,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 624. [2020-09-21 11:17:21,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-09-21 11:17:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 740 transitions. [2020-09-21 11:17:21,726 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 740 transitions. Word has length 152 [2020-09-21 11:17:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:21,728 INFO L479 AbstractCegarLoop]: Abstraction has 624 states and 740 transitions. [2020-09-21 11:17:21,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:17:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 740 transitions. [2020-09-21 11:17:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-21 11:17:21,735 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:21,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:17:21,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:17:21,736 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:21,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:21,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1487603991, now seen corresponding path program 1 times [2020-09-21 11:17:21,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:21,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380543118] [2020-09-21 11:17:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:21,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -76 [2020-09-21 11:17:21,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 76 [2020-09-21 11:17:21,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:21,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 317 [2020-09-21 11:17:21,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:21,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-21 11:17:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:22,138 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:17:22,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -30 [2020-09-21 11:17:22,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 30 [2020-09-21 11:17:22,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:22,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:17:22,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:22,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:17:22,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:22,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:17:22,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:22,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:17:22,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:22,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:17:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:17:22,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:22,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:22,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:17:22,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:22,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:17:22,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:22,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:17:22,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:17:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:17:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:22,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:22,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:22,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:22,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,540 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-21 11:17:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,554 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-21 11:17:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-21 11:17:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:17:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,572 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:22,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:22,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:22,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:22,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-21 11:17:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:22,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-21 11:17:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:22,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:22,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:22,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:22,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-21 11:17:22,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380543118] [2020-09-21 11:17:22,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:22,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-21 11:17:22,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641449548] [2020-09-21 11:17:22,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:17:22,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:22,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:17:22,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:17:22,655 INFO L87 Difference]: Start difference. First operand 624 states and 740 transitions. Second operand 11 states. [2020-09-21 11:17:23,777 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:24,020 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:17:24,333 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:24,621 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:26,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:26,070 INFO L93 Difference]: Finished difference Result 1248 states and 1584 transitions. [2020-09-21 11:17:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:17:26,071 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2020-09-21 11:17:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:26,076 INFO L225 Difference]: With dead ends: 1248 [2020-09-21 11:17:26,077 INFO L226 Difference]: Without dead ends: 718 [2020-09-21 11:17:26,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:17:26,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-09-21 11:17:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 621. [2020-09-21 11:17:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-21 11:17:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 735 transitions. [2020-09-21 11:17:26,185 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 735 transitions. Word has length 220 [2020-09-21 11:17:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:26,185 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 735 transitions. [2020-09-21 11:17:26,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:17:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 735 transitions. [2020-09-21 11:17:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-21 11:17:26,190 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:26,190 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:17:26,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:17:26,191 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:26,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2128825390, now seen corresponding path program 1 times [2020-09-21 11:17:26,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:26,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431280365] [2020-09-21 11:17:26,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:26,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:26,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 394 [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:17:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-21 11:17:26,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:26,969 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:26,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:17:27,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:17:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:17:27,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-21 11:17:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:17:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:17:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:17:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:17:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:17:27,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:17:27,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:17:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:17:27,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:17:27,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:27,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:17:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:27,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:17:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:27,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:17:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:27,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:17:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:17:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 11:17:27,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:17:27,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-09-21 11:17:27,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:17:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:17:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:17:27,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:27,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:17:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,531 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:17:27,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:27,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:17:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:27,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-21 11:17:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-21 11:17:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-21 11:17:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:17:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-21 11:17:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:17:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:17:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:27,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:17:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:27,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:27,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:27,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-21 11:17:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-21 11:17:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:27,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:27,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:27,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:27,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:27,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:27,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:27,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:17:27,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:27,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:27,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 20 proven. 25 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-21 11:17:27,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431280365] [2020-09-21 11:17:27,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:17:27,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 11:17:27,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251753067] [2020-09-21 11:17:27,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 11:17:27,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:27,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 11:17:27,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:17:27,691 INFO L87 Difference]: Start difference. First operand 621 states and 735 transitions. Second operand 14 states. [2020-09-21 11:17:28,296 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:29,241 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-21 11:17:30,496 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:30,899 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:31,251 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:17:31,602 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195