/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:54:10,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:54:10,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:54:11,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:54:11,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:54:11,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:54:11,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:54:11,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:54:11,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:54:11,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:54:11,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:54:11,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:54:11,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:54:11,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:54:11,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:54:11,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:54:11,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:54:11,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:54:11,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:54:11,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:54:11,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:54:11,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:54:11,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:54:11,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:54:11,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:54:11,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:54:11,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:54:11,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:54:11,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:54:11,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:54:11,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:54:11,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:54:11,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:54:11,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:54:11,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:54:11,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:54:11,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:54:11,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:54:11,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:54:11,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:54:11,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:54:11,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:54:11,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:54:11,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:54:11,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:54:11,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:54:11,123 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:54:11,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:54:11,124 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:54:11,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:54:11,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:54:11,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:54:11,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:54:11,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:54:11,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:54:11,126 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:54:11,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:54:11,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:54:11,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:54:11,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:54:11,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:54:11,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:54:11,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:54:11,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:11,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:54:11,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:54:11,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:54:11,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:54:11,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:54:11,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:54:11,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:54:11,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:54:11,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:54:11,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:54:11,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:54:11,648 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:54:11,649 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:54:11,650 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 15:54:11,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06326091d/5206be54d0bc42968a417127a65ccd4d/FLAGf00b5984f [2020-09-24 15:54:12,348 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:54:12,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 15:54:12,361 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06326091d/5206be54d0bc42968a417127a65ccd4d/FLAGf00b5984f [2020-09-24 15:54:12,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06326091d/5206be54d0bc42968a417127a65ccd4d [2020-09-24 15:54:12,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:54:12,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:54:12,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:12,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:54:12,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:54:12,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:12" (1/1) ... [2020-09-24 15:54:12,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16faf0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:12, skipping insertion in model container [2020-09-24 15:54:12,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:54:12" (1/1) ... [2020-09-24 15:54:12,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:54:12,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:54:13,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:13,228 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:54:13,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:54:13,352 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:54:13,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13 WrapperNode [2020-09-24 15:54:13,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:54:13,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:54:13,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:54:13,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:54:13,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... [2020-09-24 15:54:13,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:54:13,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:54:13,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:54:13,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:54:13,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:54:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:54:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:54:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:54:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:54:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:54:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:54:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:54:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:54:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:54:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:54:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:54:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:54:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:54:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:54:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:54:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:54:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:54:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:54:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:54:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:54:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:54:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:54:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:54:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:54:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:54:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:54:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:54:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:54:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:54:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:54:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:54:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:54:14,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:54:14,656 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:54:14,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:14 BoogieIcfgContainer [2020-09-24 15:54:14,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:54:14,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:54:14,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:54:14,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:54:14,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:54:12" (1/3) ... [2020-09-24 15:54:14,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b479c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:14, skipping insertion in model container [2020-09-24 15:54:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:54:13" (2/3) ... [2020-09-24 15:54:14,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b479c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:54:14, skipping insertion in model container [2020-09-24 15:54:14,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:54:14" (3/3) ... [2020-09-24 15:54:14,678 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-09-24 15:54:14,690 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:54:14,703 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:54:14,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:54:14,767 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:54:14,767 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:54:14,767 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:54:14,768 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:54:14,769 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:54:14,769 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:54:14,769 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:54:14,769 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:54:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-09-24 15:54:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:54:14,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:14,826 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:14,826 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:14,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:14,834 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-09-24 15:54:14,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:14,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654059263] [2020-09-24 15:54:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:54:15,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:54:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:54:15,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,762 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:15,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,785 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:15,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:15,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:15,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:54:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:15,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:15,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:54:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:15,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:54:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:15,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:15,967 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:15,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:15,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:15,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:15,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:15,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:15,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:15,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:15,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:16,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654059263] [2020-09-24 15:54:16,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:16,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:54:16,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182537028] [2020-09-24 15:54:16,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:54:16,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:16,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:54:16,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:54:16,035 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-09-24 15:54:17,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:17,513 INFO L93 Difference]: Finished difference Result 584 states and 687 transitions. [2020-09-24 15:54:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:54:17,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:54:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:17,543 INFO L225 Difference]: With dead ends: 584 [2020-09-24 15:54:17,543 INFO L226 Difference]: Without dead ends: 360 [2020-09-24 15:54:17,549 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 [2020-09-24 15:54:17,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-24 15:54:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 309. [2020-09-24 15:54:17,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-09-24 15:54:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 339 transitions. [2020-09-24 15:54:17,696 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 339 transitions. Word has length 160 [2020-09-24 15:54:17,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:17,699 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 339 transitions. [2020-09-24 15:54:17,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:54:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 339 transitions. [2020-09-24 15:54:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:54:17,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:17,713 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:17,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:54:17,714 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:17,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:17,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1699569308, now seen corresponding path program 1 times [2020-09-24 15:54:17,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:17,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961024318] [2020-09-24 15:54:17,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:17,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:17,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:17,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:17,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:17,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:54:17,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:17,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:17,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:54:17,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:17,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,283 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:18,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:18,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:18,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:18,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,412 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:18,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:18,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:54:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:18,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:18,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:18,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:18,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:54:18,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:54:18,480 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:18,480 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961024318] [2020-09-24 15:54:18,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:18,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:54:18,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142014539] [2020-09-24 15:54:18,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:54:18,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:18,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:54:18,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:54:18,486 INFO L87 Difference]: Start difference. First operand 309 states and 339 transitions. Second operand 5 states. [2020-09-24 15:54:19,179 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:20,472 INFO L93 Difference]: Finished difference Result 503 states and 571 transitions. [2020-09-24 15:54:20,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:54:20,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:54:20,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:20,478 INFO L225 Difference]: With dead ends: 503 [2020-09-24 15:54:20,478 INFO L226 Difference]: Without dead ends: 349 [2020-09-24 15:54:20,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:54:20,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-09-24 15:54:20,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 299. [2020-09-24 15:54:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-24 15:54:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 326 transitions. [2020-09-24 15:54:20,529 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 326 transitions. Word has length 161 [2020-09-24 15:54:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:20,529 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 326 transitions. [2020-09-24 15:54:20,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:54:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 326 transitions. [2020-09-24 15:54:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-24 15:54:20,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:20,533 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:20,533 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:54:20,533 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:20,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:20,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1512642209, now seen corresponding path program 1 times [2020-09-24 15:54:20,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:20,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287128787] [2020-09-24 15:54:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:20,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-24 15:54:20,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:54:20,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,915 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:20,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:20,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:20,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:20,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:20,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:20,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:20,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:20,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,007 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,007 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:21,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:21,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:21,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:21,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:21,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-24 15:54:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:21,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:21,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 15:54:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:21,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:21,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:21,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:21,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:21,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:21,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:21,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:21,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:21,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:21,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:21,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:21,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287128787] [2020-09-24 15:54:21,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:21,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:54:21,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866165705] [2020-09-24 15:54:21,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:54:21,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:21,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:54:21,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:54:21,099 INFO L87 Difference]: Start difference. First operand 299 states and 326 transitions. Second operand 6 states. [2020-09-24 15:54:21,742 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:24,144 INFO L93 Difference]: Finished difference Result 749 states and 870 transitions. [2020-09-24 15:54:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:54:24,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-24 15:54:24,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:24,150 INFO L225 Difference]: With dead ends: 749 [2020-09-24 15:54:24,150 INFO L226 Difference]: Without dead ends: 565 [2020-09-24 15:54:24,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:24,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-09-24 15:54:24,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 473. [2020-09-24 15:54:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-09-24 15:54:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 528 transitions. [2020-09-24 15:54:24,229 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 528 transitions. Word has length 174 [2020-09-24 15:54:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:24,230 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 528 transitions. [2020-09-24 15:54:24,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:54:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 528 transitions. [2020-09-24 15:54:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-24 15:54:24,233 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:24,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:24,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:54:24,234 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:24,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:24,234 INFO L82 PathProgramCache]: Analyzing trace with hash -159814954, now seen corresponding path program 1 times [2020-09-24 15:54:24,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:24,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073682415] [2020-09-24 15:54:24,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:54:24,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:54:24,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:54:24,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:54:24,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-24 15:54:24,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,724 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:24,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:24,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:54:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:24,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:24,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:24,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:24,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:24,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:24,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:54:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:24,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:54:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:24,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:24,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:24,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:24,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,887 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,888 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,888 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,888 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:24,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-24 15:54:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:24,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:24,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:24,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:24,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:24,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-24 15:54:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:24,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:24,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:24,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:24,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:24,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:24,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:24,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:54:25,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073682415] [2020-09-24 15:54:25,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:25,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:25,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925201047] [2020-09-24 15:54:25,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:25,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:25,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:25,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:25,032 INFO L87 Difference]: Start difference. First operand 473 states and 528 transitions. Second operand 10 states. [2020-09-24 15:54:25,603 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:26,590 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:26,910 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:28,018 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:28,343 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:28,700 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:29,259 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:29,596 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:29,914 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:30,785 INFO L93 Difference]: Finished difference Result 1118 states and 1339 transitions. [2020-09-24 15:54:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:54:30,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-24 15:54:30,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:30,794 INFO L225 Difference]: With dead ends: 1118 [2020-09-24 15:54:30,795 INFO L226 Difference]: Without dead ends: 760 [2020-09-24 15:54:30,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:54:30,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-24 15:54:30,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 673. [2020-09-24 15:54:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-24 15:54:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 760 transitions. [2020-09-24 15:54:30,886 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 760 transitions. Word has length 179 [2020-09-24 15:54:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:30,887 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 760 transitions. [2020-09-24 15:54:30,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 760 transitions. [2020-09-24 15:54:30,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:30,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:30,891 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:30,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:54:30,891 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:30,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:30,892 INFO L82 PathProgramCache]: Analyzing trace with hash 64355154, now seen corresponding path program 1 times [2020-09-24 15:54:30,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:30,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809379140] [2020-09-24 15:54:30,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:30,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:30,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:30,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:30,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:30,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:30,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:30,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 15:54:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,230 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:31,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:31,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,287 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:31,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:31,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:31,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:31,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:31,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:31,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:31,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:54:31,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:54:31,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:31,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:31,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:54:31,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:31,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:31,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:54:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:54:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:31,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:31,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:31,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:54:31,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:31,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:31,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:54:31,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:31,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:31,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:31,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:31,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:31,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:31,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:31,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809379140] [2020-09-24 15:54:31,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:31,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:54:31,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716604428] [2020-09-24 15:54:31,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:54:31,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:31,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:54:31,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:54:31,586 INFO L87 Difference]: Start difference. First operand 673 states and 760 transitions. Second operand 11 states. [2020-09-24 15:54:33,186 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:33,478 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:33,817 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:34,125 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:34,397 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:34,682 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:35,912 INFO L93 Difference]: Finished difference Result 1416 states and 1697 transitions. [2020-09-24 15:54:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:54:35,912 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-09-24 15:54:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:35,919 INFO L225 Difference]: With dead ends: 1416 [2020-09-24 15:54:35,919 INFO L226 Difference]: Without dead ends: 858 [2020-09-24 15:54:35,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:54:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-09-24 15:54:36,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 692. [2020-09-24 15:54:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-09-24 15:54:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 780 transitions. [2020-09-24 15:54:36,055 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 780 transitions. Word has length 217 [2020-09-24 15:54:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:36,056 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 780 transitions. [2020-09-24 15:54:36,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:54:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 780 transitions. [2020-09-24 15:54:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:36,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:36,061 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:36,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:54:36,061 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:36,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-09-24 15:54:36,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:36,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603815862] [2020-09-24 15:54:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -98 [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 98 [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:36,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,416 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:36,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,471 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:36,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:36,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:36,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:54:36,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:54:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:54:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,576 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:36,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:36,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:54:36,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:54:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:36,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:36,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:54:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:36,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:54:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:36,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:36,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:36,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:36,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:36,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:36,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:36,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:36,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:36,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603815862] [2020-09-24 15:54:36,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:36,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:54:36,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891234041] [2020-09-24 15:54:36,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:54:36,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:36,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:54:36,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:54:36,702 INFO L87 Difference]: Start difference. First operand 692 states and 780 transitions. Second operand 10 states. [2020-09-24 15:54:38,086 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:38,412 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:38,735 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:39,062 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:39,362 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:40,709 INFO L93 Difference]: Finished difference Result 1457 states and 1766 transitions. [2020-09-24 15:54:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:54:40,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 15:54:40,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:40,716 INFO L225 Difference]: With dead ends: 1457 [2020-09-24 15:54:40,717 INFO L226 Difference]: Without dead ends: 880 [2020-09-24 15:54:40,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:54:40,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-24 15:54:40,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 704. [2020-09-24 15:54:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-09-24 15:54:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 792 transitions. [2020-09-24 15:54:40,799 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 792 transitions. Word has length 217 [2020-09-24 15:54:40,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:40,799 INFO L479 AbstractCegarLoop]: Abstraction has 704 states and 792 transitions. [2020-09-24 15:54:40,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:54:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 792 transitions. [2020-09-24 15:54:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:54:40,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:40,803 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:40,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:54:40,804 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:40,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-09-24 15:54:40,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:40,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453827101] [2020-09-24 15:54:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:40,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:40,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:40,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:40,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:54:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:54:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 15:54:40,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,306 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:41,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:54:41,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:41,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,412 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:41,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:41,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:41,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:41,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:41,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:54:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:41,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:41,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:54:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:41,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:54:41,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:54:41,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:54:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:41,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:54:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:41,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:54:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:41,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:41,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 15:54:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:41,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:54:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:41,592 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:41,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:41,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:41,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:41,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:41,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453827101] [2020-09-24 15:54:41,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:41,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:54:41,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988269223] [2020-09-24 15:54:41,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:54:41,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:41,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:54:41,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:54:41,646 INFO L87 Difference]: Start difference. First operand 704 states and 792 transitions. Second operand 8 states. [2020-09-24 15:54:42,187 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:42,869 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:45,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:54:45,678 INFO L93 Difference]: Finished difference Result 2117 states and 2597 transitions. [2020-09-24 15:54:45,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:54:45,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-24 15:54:45,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:54:45,688 INFO L225 Difference]: With dead ends: 2117 [2020-09-24 15:54:45,689 INFO L226 Difference]: Without dead ends: 1528 [2020-09-24 15:54:45,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:54:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2020-09-24 15:54:45,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1281. [2020-09-24 15:54:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2020-09-24 15:54:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1465 transitions. [2020-09-24 15:54:45,875 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1465 transitions. Word has length 217 [2020-09-24 15:54:45,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:54:45,876 INFO L479 AbstractCegarLoop]: Abstraction has 1281 states and 1465 transitions. [2020-09-24 15:54:45,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:54:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1465 transitions. [2020-09-24 15:54:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:54:45,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:54:45,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:54:45,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:54:45,880 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:54:45,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:54:45,881 INFO L82 PathProgramCache]: Analyzing trace with hash -388346294, now seen corresponding path program 1 times [2020-09-24 15:54:45,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:54:45,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237591094] [2020-09-24 15:54:45,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:54:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:46,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -67 [2020-09-24 15:54:46,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 67 [2020-09-24 15:54:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-24 15:54:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-24 15:54:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,372 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:54:46,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:54:46,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:54:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:54:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:54:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:54:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:54:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:54:46,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:54:46,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:54:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:46,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:54:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:46,506 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:54:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:54:46,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:54:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:54:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:54:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:54:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:54:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:54:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,621 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:54:46,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:54:46,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:54:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:54:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:54:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:54:46,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,650 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,651 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,651 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:54:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:54:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:54:46,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:54:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:54:46,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:54:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:54:46,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:54:46,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 15:54:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,684 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:54:46,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:54:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:54:46,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:54:46,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:54:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:54:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:54:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:54:46,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:54:46,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:54:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:54:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:54:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:54:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:54:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:54:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:54:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:54:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:54:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:54:46,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237591094] [2020-09-24 15:54:46,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:54:46,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 15:54:46,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556677175] [2020-09-24 15:54:46,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:54:46,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:54:46,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:54:46,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:54:46,774 INFO L87 Difference]: Start difference. First operand 1281 states and 1465 transitions. Second operand 15 states. [2020-09-24 15:54:47,355 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:48,277 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:49,432 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:49,742 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:54:50,145 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:50,473 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:50,810 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:51,137 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:51,546 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:54:51,872 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:54:54,971 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:54:55,554 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:54:55,851 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:54:56,462 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:54:57,748 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 15:54:58,351 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-24 15:54:58,957 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:55:00,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:00,595 INFO L93 Difference]: Finished difference Result 4224 states and 5169 transitions. [2020-09-24 15:55:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-24 15:55:00,596 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-09-24 15:55:00,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:00,612 INFO L225 Difference]: With dead ends: 4224 [2020-09-24 15:55:00,613 INFO L226 Difference]: Without dead ends: 3283 [2020-09-24 15:55:00,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1426 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=875, Invalid=3547, Unknown=0, NotChecked=0, Total=4422 [2020-09-24 15:55:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3283 states. [2020-09-24 15:55:00,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3283 to 2616. [2020-09-24 15:55:00,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2020-09-24 15:55:00,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 2975 transitions. [2020-09-24 15:55:00,978 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 2975 transitions. Word has length 222 [2020-09-24 15:55:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:00,979 INFO L479 AbstractCegarLoop]: Abstraction has 2616 states and 2975 transitions. [2020-09-24 15:55:00,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:55:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 2975 transitions. [2020-09-24 15:55:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-24 15:55:00,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:00,985 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:00,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:55:00,985 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:00,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:00,986 INFO L82 PathProgramCache]: Analyzing trace with hash -2145159051, now seen corresponding path program 1 times [2020-09-24 15:55:00,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:00,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656224830] [2020-09-24 15:55:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 345 [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:55:01,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-09-24 15:55:01,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:55:01,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,344 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:01,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:01,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,412 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:01,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:01,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:01,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:55:01,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:55:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:55:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:55:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:55:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:55:01,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 15:55:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:55:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:55:01,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:01,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:01,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:55:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:01,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:01,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:55:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:01,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:55:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-09-24 15:55:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:01,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:55:01,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-24 15:55:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:01,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-24 15:55:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:01,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:01,666 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:01,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:01,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:01,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:01,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:01,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:55:01,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:01,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:55:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-24 15:55:01,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656224830] [2020-09-24 15:55:01,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:55:01,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:55:01,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599835816] [2020-09-24 15:55:01,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:55:01,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:55:01,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:55:01,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:55:01,789 INFO L87 Difference]: Start difference. First operand 2616 states and 2975 transitions. Second operand 10 states. [2020-09-24 15:55:02,500 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:55:03,468 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:55:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:55:06,451 INFO L93 Difference]: Finished difference Result 4421 states and 5086 transitions. [2020-09-24 15:55:06,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 15:55:06,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 282 [2020-09-24 15:55:06,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:55:06,462 INFO L225 Difference]: With dead ends: 4421 [2020-09-24 15:55:06,462 INFO L226 Difference]: Without dead ends: 1920 [2020-09-24 15:55:06,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=241, Invalid=815, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:55:06,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2020-09-24 15:55:06,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1746. [2020-09-24 15:55:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1746 states. [2020-09-24 15:55:06,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 1956 transitions. [2020-09-24 15:55:06,715 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 1956 transitions. Word has length 282 [2020-09-24 15:55:06,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:55:06,717 INFO L479 AbstractCegarLoop]: Abstraction has 1746 states and 1956 transitions. [2020-09-24 15:55:06,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:55:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 1956 transitions. [2020-09-24 15:55:06,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-24 15:55:06,721 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:55:06,721 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:55:06,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:55:06,722 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:55:06,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:55:06,722 INFO L82 PathProgramCache]: Analyzing trace with hash -896402758, now seen corresponding path program 1 times [2020-09-24 15:55:06,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:55:06,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826639643] [2020-09-24 15:55:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:55:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:06,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:55:06,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -125 [2020-09-24 15:55:06,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 125 [2020-09-24 15:55:06,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:06,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 417 [2020-09-24 15:55:06,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-09-24 15:55:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,311 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:55:07,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,323 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:55:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:55:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:07,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:55:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:07,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:55:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,379 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:07,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:07,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:55:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:55:07,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:55:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:07,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:55:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:55:07,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:55:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,440 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:07,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:55:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:55:07,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:55:07,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:55:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:07,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:07,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:55:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:55:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:55:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:55:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:55:07,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:55:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:55:07,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:55:07,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:55:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:55:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:55:07,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:55:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:07,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:55:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:55:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:55:07,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:55:07,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:55:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:55:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:55:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:55:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:55:07,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:55:07,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:55:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:55:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:55:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:55:07,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:55:07,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:55:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:55:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:55:07,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:55:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:55:07,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:55:07,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:55:07,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:55:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:55:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:55:07,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:55:07,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:55:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:55:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:55:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:55:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:55:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0