/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:13:25,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:13:25,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:13:25,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:13:25,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:13:25,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:13:25,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:13:25,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:13:25,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:13:25,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:13:25,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:13:25,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:13:25,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:13:25,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:13:25,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:13:25,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:13:25,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:13:25,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:13:25,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:13:25,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:13:25,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:13:25,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:13:25,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:13:25,989 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:13:25,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:13:25,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:13:25,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:13:25,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:13:25,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:13:25,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:13:25,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:13:26,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:13:26,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:13:26,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:13:26,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:13:26,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:13:26,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:13:26,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:13:26,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:13:26,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:13:26,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:13:26,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:13:26,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:13:26,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:13:26,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:13:26,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:13:26,050 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:13:26,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:13:26,051 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:13:26,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:13:26,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:13:26,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:13:26,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:13:26,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:13:26,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:13:26,053 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:13:26,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:13:26,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:13:26,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:13:26,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:13:26,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:13:26,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:13:26,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:13:26,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:13:26,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:13:26,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:13:26,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:13:26,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:13:26,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:13:26,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:13:26,531 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:13:26,532 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:13:26,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-21 11:13:26,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72158206/843a9f998c714fdaac673f8ea3de493a/FLAGfe012ac05 [2020-09-21 11:13:27,233 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:13:27,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2020-09-21 11:13:27,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72158206/843a9f998c714fdaac673f8ea3de493a/FLAGfe012ac05 [2020-09-21 11:13:27,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72158206/843a9f998c714fdaac673f8ea3de493a [2020-09-21 11:13:27,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:13:27,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:13:27,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:13:27,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:13:27,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:13:27,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:13:27" (1/1) ... [2020-09-21 11:13:27,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:27, skipping insertion in model container [2020-09-21 11:13:27,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:13:27" (1/1) ... [2020-09-21 11:13:27,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:13:27,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:13:28,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:13:28,053 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:13:28,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:13:28,174 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:13:28,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28 WrapperNode [2020-09-21 11:13:28,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:13:28,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:13:28,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:13:28,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:13:28,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... [2020-09-21 11:13:28,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:13:28,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:13:28,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:13:28,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:13:28,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:13:28,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:13:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:13:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:13:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:13:28,357 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:13:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:13:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:13:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:13:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:13:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:13:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:13:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:13:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:13:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:13:28,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:13:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:13:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:13:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:13:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:13:28,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:13:28,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:13:28,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:13:28,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:13:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:13:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:13:28,366 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-21 11:13:28,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:13:28,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:13:28,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:13:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:13:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:13:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:13:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:13:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:13:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:13:28,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:13:29,417 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:13:29,417 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:13:29,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:13:29 BoogieIcfgContainer [2020-09-21 11:13:29,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:13:29,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:13:29,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:13:29,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:13:29,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:13:27" (1/3) ... [2020-09-21 11:13:29,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3909cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:13:29, skipping insertion in model container [2020-09-21 11:13:29,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:13:28" (2/3) ... [2020-09-21 11:13:29,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3909cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:13:29, skipping insertion in model container [2020-09-21 11:13:29,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:13:29" (3/3) ... [2020-09-21 11:13:29,433 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2020-09-21 11:13:29,445 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:13:29,456 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:13:29,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:13:29,511 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:13:29,511 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:13:29,511 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:13:29,511 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:13:29,512 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:13:29,512 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:13:29,512 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:13:29,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:13:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-09-21 11:13:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:13:29,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:29,552 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:29,553 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:29,559 INFO L82 PathProgramCache]: Analyzing trace with hash 261309835, now seen corresponding path program 1 times [2020-09-21 11:13:29,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:29,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362864099] [2020-09-21 11:13:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:29,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:29,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:29,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:29,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:29,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:13:29,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:29,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:13:29,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:29,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:13:29,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:29,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,304 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:30,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:30,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:30,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:30,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:30,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:30,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:30,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:30,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:30,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:30,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:13:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:30,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:30,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:30,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:30,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:13:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:30,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:30,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:30,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:30,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:30,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:30,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:30,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:30,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:30,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:30,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:30,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:30,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:30,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362864099] [2020-09-21 11:13:30,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:30,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:13:30,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534221453] [2020-09-21 11:13:30,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:13:30,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:30,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:13:30,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:13:30,545 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2020-09-21 11:13:31,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:31,760 INFO L93 Difference]: Finished difference Result 309 states and 402 transitions. [2020-09-21 11:13:31,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:13:31,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:13:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:31,781 INFO L225 Difference]: With dead ends: 309 [2020-09-21 11:13:31,781 INFO L226 Difference]: Without dead ends: 167 [2020-09-21 11:13:31,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:13:31,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-09-21 11:13:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 133. [2020-09-21 11:13:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 11:13:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-09-21 11:13:31,929 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 46 [2020-09-21 11:13:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:31,930 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-09-21 11:13:31,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:13:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-09-21 11:13:31,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:13:31,938 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:31,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:31,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:13:31,938 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:31,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:31,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1021856254, now seen corresponding path program 1 times [2020-09-21 11:13:31,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:31,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743776952] [2020-09-21 11:13:31,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:13:32,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:13:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:13:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,393 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:32,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:32,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:32,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:32,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:32,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:32,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:13:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:32,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:32,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:13:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:32,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:32,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:32,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:32,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:32,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:32,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:32,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:32,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:32,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:32,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:32,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743776952] [2020-09-21 11:13:32,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:32,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:13:32,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990450400] [2020-09-21 11:13:32,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:13:32,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:32,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:13:32,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:13:32,488 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 4 states. [2020-09-21 11:13:32,963 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:33,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:33,960 INFO L93 Difference]: Finished difference Result 242 states and 293 transitions. [2020-09-21 11:13:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:13:33,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:13:33,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:33,965 INFO L225 Difference]: With dead ends: 242 [2020-09-21 11:13:33,965 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 11:13:33,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:13:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 11:13:34,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 124. [2020-09-21 11:13:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:13:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-09-21 11:13:34,006 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 47 [2020-09-21 11:13:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:34,007 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-09-21 11:13:34,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:13:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-09-21 11:13:34,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:13:34,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:34,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:34,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:13:34,009 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:34,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:34,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1136847733, now seen corresponding path program 1 times [2020-09-21 11:13:34,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:34,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210177436] [2020-09-21 11:13:34,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:13:34,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:13:34,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:13:34,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,494 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:13:34,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:34,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:34,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:34,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:34,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:34,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:34,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:34,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:13:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:13:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:34,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:34,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210177436] [2020-09-21 11:13:34,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:34,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:13:34,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004022233] [2020-09-21 11:13:34,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:13:34,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:34,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:13:34,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:13:34,665 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 4 states. [2020-09-21 11:13:34,989 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:36,006 INFO L93 Difference]: Finished difference Result 251 states and 307 transitions. [2020-09-21 11:13:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:13:36,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:13:36,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:36,010 INFO L225 Difference]: With dead ends: 251 [2020-09-21 11:13:36,010 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 11:13:36,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:13:36,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 11:13:36,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 124. [2020-09-21 11:13:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:13:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2020-09-21 11:13:36,048 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 51 [2020-09-21 11:13:36,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:36,048 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2020-09-21 11:13:36,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:13:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2020-09-21 11:13:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:13:36,051 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:36,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:36,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:13:36,051 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:36,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:36,052 INFO L82 PathProgramCache]: Analyzing trace with hash -629251764, now seen corresponding path program 1 times [2020-09-21 11:13:36,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:36,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388577331] [2020-09-21 11:13:36,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:13:36,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-21 11:13:36,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:13:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:36,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-21 11:13:36,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,767 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:36,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 11:13:36,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:36,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:36,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:36,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:36,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:36,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:36,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:36,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:36,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:36,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:36,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:36,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,933 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:36,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:36,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:36,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:36,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:13:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:13:36,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:13:36,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:36,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:36,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:36,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:36,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:36,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:36,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:13:36,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:13:36,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:13:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:13:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:37,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:37,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:37,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:37,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:37,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:37,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:37,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:37,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:13:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:37,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:37,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:37,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:37,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:37,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:37,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:37,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:37,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:37,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:37,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:13:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:37,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:37,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:37,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:37,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:37,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:37,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:37,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:37,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:37,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388577331] [2020-09-21 11:13:37,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:37,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:13:37,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384653964] [2020-09-21 11:13:37,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:13:37,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:37,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:13:37,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:13:37,053 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 7 states. [2020-09-21 11:13:37,435 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:38,876 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:13:39,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:39,571 INFO L93 Difference]: Finished difference Result 351 states and 430 transitions. [2020-09-21 11:13:39,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:13:39,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-09-21 11:13:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:39,575 INFO L225 Difference]: With dead ends: 351 [2020-09-21 11:13:39,576 INFO L226 Difference]: Without dead ends: 251 [2020-09-21 11:13:39,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:13:39,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-21 11:13:39,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 210. [2020-09-21 11:13:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-09-21 11:13:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 237 transitions. [2020-09-21 11:13:39,629 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 237 transitions. Word has length 64 [2020-09-21 11:13:39,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:39,629 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 237 transitions. [2020-09-21 11:13:39,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:13:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 237 transitions. [2020-09-21 11:13:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-21 11:13:39,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:39,632 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:39,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:13:39,633 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:39,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:39,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1171048631, now seen corresponding path program 1 times [2020-09-21 11:13:39,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:39,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335572369] [2020-09-21 11:13:39,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:13:40,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:13:40,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 362 [2020-09-21 11:13:40,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:13:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:40,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:13:40,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,482 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 11:13:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:40,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:40,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:40,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:40,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:40,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:40,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:13:40,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:40,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:40,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:13:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:13:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:13:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:40,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:13:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:40,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:13:40,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:13:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:13:40,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:13:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,747 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,747 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:40,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:40,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:13:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:40,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:13:40,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-21 11:13:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:40,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:40,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:40,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:40,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:40,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335572369] [2020-09-21 11:13:40,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:40,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:13:40,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282109742] [2020-09-21 11:13:40,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:13:40,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:40,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:13:40,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:13:40,807 INFO L87 Difference]: Start difference. First operand 210 states and 237 transitions. Second operand 8 states. [2020-09-21 11:13:41,327 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:42,563 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:42,911 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:43,222 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:43,533 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:44,563 INFO L93 Difference]: Finished difference Result 556 states and 688 transitions. [2020-09-21 11:13:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:13:44,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-09-21 11:13:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:44,568 INFO L225 Difference]: With dead ends: 556 [2020-09-21 11:13:44,568 INFO L226 Difference]: Without dead ends: 370 [2020-09-21 11:13:44,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:13:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2020-09-21 11:13:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 334. [2020-09-21 11:13:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-21 11:13:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 385 transitions. [2020-09-21 11:13:44,633 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 385 transitions. Word has length 78 [2020-09-21 11:13:44,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:44,633 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 385 transitions. [2020-09-21 11:13:44,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:13:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 385 transitions. [2020-09-21 11:13:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 11:13:44,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:44,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:44,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:13:44,636 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:44,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:44,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1254663983, now seen corresponding path program 1 times [2020-09-21 11:13:44,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:44,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464141842] [2020-09-21 11:13:44,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:13:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-21 11:13:45,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:13:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:13:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,351 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:45,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:13:45,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:45,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:45,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:45,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:45,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:45,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:45,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,496 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:13:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:45,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:13:45,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:13:45,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:13:45,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:13:45,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:13:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:13:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:13:45,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:13:45,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:13:45,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:13:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:13:45,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:13:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:13:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:13:45,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:13:45,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:13:45,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:13:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:13:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:13:45,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:13:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,745 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:45,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:45,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:13:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:45,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:45,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:45,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:45,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:45,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:45,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:45,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:45,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:45,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:45,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464141842] [2020-09-21 11:13:45,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:45,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:13:45,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585294017] [2020-09-21 11:13:45,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:13:45,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:45,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:13:45,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:13:45,787 INFO L87 Difference]: Start difference. First operand 334 states and 385 transitions. Second operand 9 states. [2020-09-21 11:13:46,306 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:46,915 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:48,696 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:13:50,205 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-21 11:13:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:51,635 INFO L93 Difference]: Finished difference Result 894 states and 1101 transitions. [2020-09-21 11:13:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-21 11:13:51,636 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-09-21 11:13:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:51,641 INFO L225 Difference]: With dead ends: 894 [2020-09-21 11:13:51,642 INFO L226 Difference]: Without dead ends: 697 [2020-09-21 11:13:51,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:13:51,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-09-21 11:13:51,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 652. [2020-09-21 11:13:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-09-21 11:13:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 771 transitions. [2020-09-21 11:13:51,774 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 771 transitions. Word has length 82 [2020-09-21 11:13:51,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:51,774 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 771 transitions. [2020-09-21 11:13:51,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:13:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 771 transitions. [2020-09-21 11:13:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 11:13:51,776 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:51,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:51,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:13:51,777 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:51,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:51,777 INFO L82 PathProgramCache]: Analyzing trace with hash 856626386, now seen corresponding path program 1 times [2020-09-21 11:13:51,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:51,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795266634] [2020-09-21 11:13:51,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:51,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:51,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:51,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:51,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:13:51,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:51,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,062 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,076 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:52,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:13:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:52,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:13:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:13:52,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:52,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:52,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:13:52,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:52,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:13:52,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:52,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:52,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:13:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:13:52,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:52,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:52,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:13:52,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:52,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:13:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:13:52,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:13:52,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:13:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:52,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:13:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:13:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:52,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:13:52,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:13:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:13:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:52,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:13:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:52,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:52,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:52,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:52,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:52,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:52,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:52,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:52,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:52,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:13:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:52,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795266634] [2020-09-21 11:13:52,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:52,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:13:52,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584970851] [2020-09-21 11:13:52,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:13:52,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:52,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:13:52,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:13:52,334 INFO L87 Difference]: Start difference. First operand 652 states and 771 transitions. Second operand 8 states. [2020-09-21 11:13:53,217 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:53,509 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:53,819 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:55,074 INFO L93 Difference]: Finished difference Result 1205 states and 1469 transitions. [2020-09-21 11:13:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:13:55,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2020-09-21 11:13:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:55,080 INFO L225 Difference]: With dead ends: 1205 [2020-09-21 11:13:55,080 INFO L226 Difference]: Without dead ends: 694 [2020-09-21 11:13:55,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:13:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-09-21 11:13:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 652. [2020-09-21 11:13:55,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-09-21 11:13:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 770 transitions. [2020-09-21 11:13:55,198 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 770 transitions. Word has length 82 [2020-09-21 11:13:55,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:55,199 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 770 transitions. [2020-09-21 11:13:55,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:13:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 770 transitions. [2020-09-21 11:13:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 11:13:55,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:55,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:55,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:13:55,202 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:55,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:55,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2052137516, now seen corresponding path program 1 times [2020-09-21 11:13:55,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:55,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473424729] [2020-09-21 11:13:55,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:13:55,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -58 [2020-09-21 11:13:55,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 58 [2020-09-21 11:13:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:13:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-09-21 11:13:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:13:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,511 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:55,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:13:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:13:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:55,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:13:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:55,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:13:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:13:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:13:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:13:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:55,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:13:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:13:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:13:55,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-21 11:13:55,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:13:55,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:13:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:13:55,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:13:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:13:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:13:55,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:13:55,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:13:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:13:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:13:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:55,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:13:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,678 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 11:13:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:13:55,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-21 11:13:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:55,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:55,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:55,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:55,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:55,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:55,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:13:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:13:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:55,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:13:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:13:55,700 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473424729] [2020-09-21 11:13:55,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:13:55,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:13:55,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033629541] [2020-09-21 11:13:55,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:13:55,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:13:55,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:13:55,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:13:55,702 INFO L87 Difference]: Start difference. First operand 652 states and 770 transitions. Second operand 9 states. [2020-09-21 11:13:56,592 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:13:56,899 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:13:57,210 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:57,519 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:13:58,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:13:58,899 INFO L93 Difference]: Finished difference Result 1333 states and 1625 transitions. [2020-09-21 11:13:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:13:58,900 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-09-21 11:13:58,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:13:58,907 INFO L225 Difference]: With dead ends: 1333 [2020-09-21 11:13:58,907 INFO L226 Difference]: Without dead ends: 705 [2020-09-21 11:13:58,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:13:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2020-09-21 11:13:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 659. [2020-09-21 11:13:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-09-21 11:13:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 777 transitions. [2020-09-21 11:13:59,100 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 777 transitions. Word has length 82 [2020-09-21 11:13:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:13:59,101 INFO L479 AbstractCegarLoop]: Abstraction has 659 states and 777 transitions. [2020-09-21 11:13:59,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:13:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 777 transitions. [2020-09-21 11:13:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-09-21 11:13:59,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:13:59,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:13:59,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:13:59,107 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:13:59,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:13:59,107 INFO L82 PathProgramCache]: Analyzing trace with hash 167159170, now seen corresponding path program 1 times [2020-09-21 11:13:59,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:13:59,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882522242] [2020-09-21 11:13:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:13:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:59,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:59,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:59,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:59,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-21 11:13:59,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-21 11:13:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:13:59,904 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:13:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:13:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:13:59,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:13:59,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:13:59,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:13:59,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:13:59,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:13:59,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:13:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:13:59,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:13:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:13:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:13:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:13:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:00,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:00,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:00,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:00,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:00,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:00,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:00,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:00,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:00,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:00,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:00,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:00,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:00,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:00,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:14:00,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:00,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:14:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:14:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-21 11:14:00,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:14:00,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:14:00,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:00,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:14:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:00,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:00,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:00,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:00,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:00,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:00,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:00,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:14:00,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:14:00,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:14:00,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:00,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:00,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:14:00,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:00,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:14:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:00,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:00,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:00,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:14:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-21 11:14:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:00,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:00,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:14:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:00,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:00,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:00,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:00,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:00,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:00,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:00,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:00,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882522242] [2020-09-21 11:14:00,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:00,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:14:00,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36841328] [2020-09-21 11:14:00,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:14:00,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:00,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:14:00,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:14:00,445 INFO L87 Difference]: Start difference. First operand 659 states and 777 transitions. Second operand 12 states. [2020-09-21 11:14:00,955 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:01,694 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:02,636 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:03,051 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:03,416 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:03,734 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:04,123 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:04,461 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:05,087 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:14:05,417 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:14:05,838 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:06,236 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:14:08,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:08,654 INFO L93 Difference]: Finished difference Result 1950 states and 2379 transitions. [2020-09-21 11:14:08,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:14:08,654 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-09-21 11:14:08,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:08,662 INFO L225 Difference]: With dead ends: 1950 [2020-09-21 11:14:08,662 INFO L226 Difference]: Without dead ends: 1315 [2020-09-21 11:14:08,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=195, Invalid=797, Unknown=0, NotChecked=0, Total=992 [2020-09-21 11:14:08,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-09-21 11:14:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1257. [2020-09-21 11:14:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1257 states. [2020-09-21 11:14:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1466 transitions. [2020-09-21 11:14:08,855 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1466 transitions. Word has length 94 [2020-09-21 11:14:08,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:08,856 INFO L479 AbstractCegarLoop]: Abstraction has 1257 states and 1466 transitions. [2020-09-21 11:14:08,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:14:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1466 transitions. [2020-09-21 11:14:08,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-09-21 11:14:08,858 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:08,858 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:08,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:14:08,858 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:08,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:08,859 INFO L82 PathProgramCache]: Analyzing trace with hash 784588382, now seen corresponding path program 1 times [2020-09-21 11:14:08,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:08,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105688516] [2020-09-21 11:14:08,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:08,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:08,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:08,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:08,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:08,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-21 11:14:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-21 11:14:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,262 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:14:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 11:14:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:14:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,380 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,380 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,380 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:14:09,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:09,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:14:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-21 11:14:09,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:14:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,411 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:09,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:14:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,423 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:09,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:14:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:14:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:09,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-21 11:14:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-21 11:14:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:09,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:09,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:09,483 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:09,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:09,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:09,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:09,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:09,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:09,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:09,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:09,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:14:09,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105688516] [2020-09-21 11:14:09,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:14:09,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:14:09,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032136099] [2020-09-21 11:14:09,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:09,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:09,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:09,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:09,514 INFO L87 Difference]: Start difference. First operand 1257 states and 1466 transitions. Second operand 10 states. [2020-09-21 11:14:10,411 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:11,013 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:14:11,854 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:12,203 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:12,573 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:14,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:14,406 INFO L93 Difference]: Finished difference Result 2480 states and 3071 transitions. [2020-09-21 11:14:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-21 11:14:14,407 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-09-21 11:14:14,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:14,419 INFO L225 Difference]: With dead ends: 2480 [2020-09-21 11:14:14,420 INFO L226 Difference]: Without dead ends: 1489 [2020-09-21 11:14:14,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2020-09-21 11:14:14,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2020-09-21 11:14:14,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1239. [2020-09-21 11:14:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-09-21 11:14:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1442 transitions. [2020-09-21 11:14:14,735 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1442 transitions. Word has length 98 [2020-09-21 11:14:14,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:14,735 INFO L479 AbstractCegarLoop]: Abstraction has 1239 states and 1442 transitions. [2020-09-21 11:14:14,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:14:14,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1442 transitions. [2020-09-21 11:14:14,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 11:14:14,739 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:14,741 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:14,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:14:14,742 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:14,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:14,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1503231471, now seen corresponding path program 1 times [2020-09-21 11:14:14,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:14,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705814761] [2020-09-21 11:14:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:14,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:14,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:14,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:14,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:14,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 11:14:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:14:14,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 11:14:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,184 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:15,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:15,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,262 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:14:15,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:15,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:15,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:15,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:15,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:14:15,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:14:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:14:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:14:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:15,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:15,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:14:15,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:15,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:15,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,403 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:15,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:15,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:14:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:15,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:14:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:15,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:14:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:14:15,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:15,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:14:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:15,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:15,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:14:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:15,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:14:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:15,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 11:14:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:15,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:15,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:15,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:15,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:15,533 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:14:15,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705814761] [2020-09-21 11:14:15,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:15,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:14:15,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066206845] [2020-09-21 11:14:15,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:14:15,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:15,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:14:15,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:14:15,537 INFO L87 Difference]: Start difference. First operand 1239 states and 1442 transitions. Second operand 10 states. [2020-09-21 11:14:16,483 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:16,808 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:14:17,133 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:17,448 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:14:18,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:14:18,832 INFO L93 Difference]: Finished difference Result 2513 states and 2997 transitions. [2020-09-21 11:14:18,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:14:18,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2020-09-21 11:14:18,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:14:18,840 INFO L225 Difference]: With dead ends: 2513 [2020-09-21 11:14:18,840 INFO L226 Difference]: Without dead ends: 1298 [2020-09-21 11:14:18,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:14:18,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2020-09-21 11:14:19,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1239. [2020-09-21 11:14:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-09-21 11:14:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1438 transitions. [2020-09-21 11:14:19,099 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1438 transitions. Word has length 141 [2020-09-21 11:14:19,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:14:19,099 INFO L479 AbstractCegarLoop]: Abstraction has 1239 states and 1438 transitions. [2020-09-21 11:14:19,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:14:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1438 transitions. [2020-09-21 11:14:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-21 11:14:19,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:14:19,103 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:14:19,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:14:19,104 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:14:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:14:19,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1474731181, now seen corresponding path program 1 times [2020-09-21 11:14:19,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:14:19,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027838028] [2020-09-21 11:14:19,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:14:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:14:19,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -48 [2020-09-21 11:14:19,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 48 [2020-09-21 11:14:19,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 11:14:19,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:14:19,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 11:14:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,437 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:14:19,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:14:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:14:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:19,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:19,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:14:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,483 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:19,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:14:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:14:19,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:14:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 11:14:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:14:19,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:14:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:14:19,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:14:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,566 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,566 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:14:19,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:14:19,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:14:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:14:19,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:14:19,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:14:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:14:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,605 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,606 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:14:19,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:14:19,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:14:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:14:19,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:14:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:14:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:14:19,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:14:19,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:19,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:14:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:14:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:14:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 11:14:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,654 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:14:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:14:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:14:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:14:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:14:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:14:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:14:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:14:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,701 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-21 11:14:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:14:19,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:14:19,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:14:19,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:14:19,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:14:19,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:14:19,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:14:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:14:19,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:14:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:14:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:14:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:14:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:14:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-21 11:14:19,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027838028] [2020-09-21 11:14:19,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:14:19,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:14:19,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589370985] [2020-09-21 11:14:19,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:14:19,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:14:19,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:14:19,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:14:19,733 INFO L87 Difference]: Start difference. First operand 1239 states and 1438 transitions. Second operand 9 states. [2020-09-21 11:14:20,538 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:14:20,827 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:14:21,117 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188