/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:41:38,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:41:38,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:41:38,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:41:38,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:41:38,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:41:38,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:41:38,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:41:38,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:41:38,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:41:38,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:41:38,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:41:38,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:41:38,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:41:38,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:41:38,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:41:38,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:41:38,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:41:38,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:41:38,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:41:38,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:41:38,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:41:38,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:41:38,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:41:38,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:41:38,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:41:38,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:41:38,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:41:38,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:41:38,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:41:38,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:41:38,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:41:38,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:41:38,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:41:38,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:41:38,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:41:38,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:41:38,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:41:38,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:41:38,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:41:38,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:41:38,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:41:38,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:41:38,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:41:38,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:41:38,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:41:38,830 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:41:38,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:41:38,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:41:38,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:41:38,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:41:38,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:41:38,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:41:38,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:41:38,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:41:38,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:41:38,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:41:38,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:41:38,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:41:38,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:41:38,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:41:38,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:41:38,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:41:38,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:38,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:41:38,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:41:38,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:41:38,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:41:38,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:41:38,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:41:38,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:41:38,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:41:39,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:41:39,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:41:39,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:41:39,375 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:41:39,376 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:41:39,377 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product53.cil.c [2020-09-24 15:41:39,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/682cb4c1f/e38c89f2f4634334aa9917ed5320be4b/FLAG7d928e764 [2020-09-24 15:41:40,065 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:41:40,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product53.cil.c [2020-09-24 15:41:40,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/682cb4c1f/e38c89f2f4634334aa9917ed5320be4b/FLAG7d928e764 [2020-09-24 15:41:40,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/682cb4c1f/e38c89f2f4634334aa9917ed5320be4b [2020-09-24 15:41:40,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:41:40,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:41:40,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:40,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:41:40,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:41:40,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:40" (1/1) ... [2020-09-24 15:41:40,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:40, skipping insertion in model container [2020-09-24 15:41:40,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:41:40" (1/1) ... [2020-09-24 15:41:40,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:41:40,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:41:40,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:40,966 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:41:41,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:41:41,143 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:41:41,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41 WrapperNode [2020-09-24 15:41:41,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:41:41,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:41:41,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:41:41,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:41:41,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... [2020-09-24 15:41:41,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:41:41,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:41:41,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:41:41,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:41:41,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:41:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:41:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:41:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:41:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:41:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:41:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:41:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:41:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:41:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:41:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:41:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:41:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:41:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:41:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:41:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:41:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:41:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:41:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:41:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:41:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:41:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:41:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:41:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:41:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:41:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:41:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:41:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:41:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:41:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:41:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:41:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:41:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:41:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:41:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:41:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:41:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:41:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:41:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:41:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:41:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:41:42,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:41:42,706 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:41:42,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:42 BoogieIcfgContainer [2020-09-24 15:41:42,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:41:42,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:41:42,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:41:42,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:41:42,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:41:40" (1/3) ... [2020-09-24 15:41:42,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18840eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:42, skipping insertion in model container [2020-09-24 15:41:42,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:41:41" (2/3) ... [2020-09-24 15:41:42,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18840eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:41:42, skipping insertion in model container [2020-09-24 15:41:42,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:41:42" (3/3) ... [2020-09-24 15:41:42,725 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2020-09-24 15:41:42,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:41:42,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:41:42,777 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:41:42,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:41:42,813 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:41:42,813 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:41:42,813 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:41:42,813 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:41:42,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:41:42,814 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:41:42,814 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:41:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-24 15:41:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:41:42,864 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:42,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:42,866 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:42,874 INFO L82 PathProgramCache]: Analyzing trace with hash 317689357, now seen corresponding path program 1 times [2020-09-24 15:41:42,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:42,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424055327] [2020-09-24 15:41:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:41:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:41:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:41:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:43,722 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:43,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:43,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 28 [2020-09-24 15:41:43,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:43,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:43,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:43,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:43,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:43,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:43,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:43,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:43,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:43,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:43,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424055327] [2020-09-24 15:41:43,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:43,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:41:43,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482042895] [2020-09-24 15:41:43,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:41:43,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:44,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:41:44,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:44,008 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 3 states. [2020-09-24 15:41:45,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:45,484 INFO L93 Difference]: Finished difference Result 531 states and 633 transitions. [2020-09-24 15:41:45,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:41:45,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:41:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:45,508 INFO L225 Difference]: With dead ends: 531 [2020-09-24 15:41:45,508 INFO L226 Difference]: Without dead ends: 324 [2020-09-24 15:41:45,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:41:45,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-24 15:41:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 281. [2020-09-24 15:41:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-24 15:41:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 308 transitions. [2020-09-24 15:41:45,623 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 308 transitions. Word has length 142 [2020-09-24 15:41:45,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:45,624 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 308 transitions. [2020-09-24 15:41:45,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:41:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 308 transitions. [2020-09-24 15:41:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:41:45,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:45,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:45,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:41:45,637 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash 645792609, now seen corresponding path program 1 times [2020-09-24 15:41:45,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:45,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437630472] [2020-09-24 15:41:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:45,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:45,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:45,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:45,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:45,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:41:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:46,169 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:46,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:46,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:46,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,243 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:41:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:46,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:46,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:46,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:46,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:46,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:46,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:46,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437630472] [2020-09-24 15:41:46,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:46,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:46,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378050062] [2020-09-24 15:41:46,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:46,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:46,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:46,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:46,357 INFO L87 Difference]: Start difference. First operand 281 states and 308 transitions. Second operand 4 states. [2020-09-24 15:41:46,981 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:48,214 INFO L93 Difference]: Finished difference Result 448 states and 508 transitions. [2020-09-24 15:41:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:48,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:41:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:48,219 INFO L225 Difference]: With dead ends: 448 [2020-09-24 15:41:48,220 INFO L226 Difference]: Without dead ends: 307 [2020-09-24 15:41:48,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-24 15:41:48,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 271. [2020-09-24 15:41:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-24 15:41:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 295 transitions. [2020-09-24 15:41:48,278 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 295 transitions. Word has length 143 [2020-09-24 15:41:48,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:48,279 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 295 transitions. [2020-09-24 15:41:48,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 295 transitions. [2020-09-24 15:41:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:41:48,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:48,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:48,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:41:48,283 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:48,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:48,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1201875289, now seen corresponding path program 1 times [2020-09-24 15:41:48,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:48,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607053850] [2020-09-24 15:41:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:48,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:41:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:48,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:41:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:41:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,717 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:48,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:41:48,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:48,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:41:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:48,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:48,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:41:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:48,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:48,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:48,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:48,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:48,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607053850] [2020-09-24 15:41:48,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:48,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:41:48,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075367208] [2020-09-24 15:41:48,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:41:48,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:48,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:41:48,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:41:48,923 INFO L87 Difference]: Start difference. First operand 271 states and 295 transitions. Second operand 4 states. [2020-09-24 15:41:49,428 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:50,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:50,522 INFO L93 Difference]: Finished difference Result 468 states and 533 transitions. [2020-09-24 15:41:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:50,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:41:50,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:50,527 INFO L225 Difference]: With dead ends: 468 [2020-09-24 15:41:50,527 INFO L226 Difference]: Without dead ends: 307 [2020-09-24 15:41:50,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:50,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-24 15:41:50,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 271. [2020-09-24 15:41:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-24 15:41:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 294 transitions. [2020-09-24 15:41:50,577 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 294 transitions. Word has length 152 [2020-09-24 15:41:50,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:50,578 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 294 transitions. [2020-09-24 15:41:50,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2020-09-24 15:41:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:41:50,581 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:50,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:50,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:41:50,582 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:50,583 INFO L82 PathProgramCache]: Analyzing trace with hash -50746222, now seen corresponding path program 1 times [2020-09-24 15:41:50,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:50,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159284745] [2020-09-24 15:41:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:50,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:50,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:50,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:50,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-24 15:41:50,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:50,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:41:50,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:41:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:41:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,028 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:51,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:51,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:51,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:51,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:51,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:51,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:41:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-24 15:41:51,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:41:51,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:41:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:41:51,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:41:51,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:51,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:41:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:51,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:41:51,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:51,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:51,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:41:51,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:41:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:51,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:51,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:51,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:51,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:41:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:51,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:51,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-24 15:41:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:51,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:51,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:51,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:51,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:51,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:51,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159284745] [2020-09-24 15:41:51,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:51,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:41:51,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083100079] [2020-09-24 15:41:51,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:41:51,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:51,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:41:51,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:41:51,306 INFO L87 Difference]: Start difference. First operand 271 states and 294 transitions. Second operand 6 states. [2020-09-24 15:41:51,872 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:53,583 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:54,523 INFO L93 Difference]: Finished difference Result 605 states and 695 transitions. [2020-09-24 15:41:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:41:54,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2020-09-24 15:41:54,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:54,530 INFO L225 Difference]: With dead ends: 605 [2020-09-24 15:41:54,530 INFO L226 Difference]: Without dead ends: 444 [2020-09-24 15:41:54,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:41:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-09-24 15:41:54,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 385. [2020-09-24 15:41:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-09-24 15:41:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 415 transitions. [2020-09-24 15:41:54,601 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 415 transitions. Word has length 170 [2020-09-24 15:41:54,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:54,603 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 415 transitions. [2020-09-24 15:41:54,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:41:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 415 transitions. [2020-09-24 15:41:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 15:41:54,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:54,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:54,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:41:54,606 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:54,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1931965112, now seen corresponding path program 1 times [2020-09-24 15:41:54,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:54,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841312829] [2020-09-24 15:41:54,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:54,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:54,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:54,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:54,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:54,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:41:54,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:54,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:41:54,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:54,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:41:54,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-09-24 15:41:54,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:55,192 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:41:55,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:55,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:55,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,357 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:55,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:55,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:55,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:41:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:41:55,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:41:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:41:55,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:41:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:55,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:55,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:41:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:55,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:55,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:55,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:41:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:55,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:55,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:41:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:55,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:55,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:55,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:55,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:55,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:55,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:55,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:55,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:55,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:41:55,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841312829] [2020-09-24 15:41:55,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:55,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:55,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746853363] [2020-09-24 15:41:55,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:55,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:55,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:55,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:55,747 INFO L87 Difference]: Start difference. First operand 385 states and 415 transitions. Second operand 9 states. [2020-09-24 15:41:56,259 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:58,052 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:58,380 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:58,734 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:59,080 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:59,382 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:59,694 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:00,002 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:00,463 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:02,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:02,094 INFO L93 Difference]: Finished difference Result 989 states and 1134 transitions. [2020-09-24 15:42:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:02,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2020-09-24 15:42:02,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:02,101 INFO L225 Difference]: With dead ends: 989 [2020-09-24 15:42:02,101 INFO L226 Difference]: Without dead ends: 714 [2020-09-24 15:42:02,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:42:02,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2020-09-24 15:42:02,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 623. [2020-09-24 15:42:02,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-09-24 15:42:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 678 transitions. [2020-09-24 15:42:02,192 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 678 transitions. Word has length 194 [2020-09-24 15:42:02,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:02,193 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 678 transitions. [2020-09-24 15:42:02,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 678 transitions. [2020-09-24 15:42:02,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:42:02,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:02,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:02,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:42:02,197 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:02,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:02,198 INFO L82 PathProgramCache]: Analyzing trace with hash -455044551, now seen corresponding path program 1 times [2020-09-24 15:42:02,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:02,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301429124] [2020-09-24 15:42:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:42:02,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:42:02,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:42:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:42:02,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-09-24 15:42:02,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,689 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:02,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,723 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:02,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:42:02,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,812 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:02,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:02,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,817 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:02,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:02,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:02,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 15:42:02,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:42:02,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:02,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:02,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:02,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,904 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,905 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,905 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:02,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:42:02,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:02,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:02,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:02,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:02,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:02,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:42:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:02,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:02,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:42:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:02,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:02,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:02,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:02,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:02,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:03,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301429124] [2020-09-24 15:42:03,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:03,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:03,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737346133] [2020-09-24 15:42:03,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:03,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:03,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:03,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:03,012 INFO L87 Difference]: Start difference. First operand 623 states and 678 transitions. Second operand 10 states. [2020-09-24 15:42:03,673 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:05,274 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:05,617 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:05,942 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:06,247 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:06,585 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:06,942 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:07,216 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:07,550 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:08,785 INFO L93 Difference]: Finished difference Result 780 states and 900 transitions. [2020-09-24 15:42:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:42:08,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 199 [2020-09-24 15:42:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:08,794 INFO L225 Difference]: With dead ends: 780 [2020-09-24 15:42:08,794 INFO L226 Difference]: Without dead ends: 777 [2020-09-24 15:42:08,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:42:08,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-24 15:42:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 623. [2020-09-24 15:42:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2020-09-24 15:42:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 677 transitions. [2020-09-24 15:42:08,899 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 677 transitions. Word has length 199 [2020-09-24 15:42:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:08,900 INFO L479 AbstractCegarLoop]: Abstraction has 623 states and 677 transitions. [2020-09-24 15:42:08,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 677 transitions. [2020-09-24 15:42:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 15:42:08,905 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:08,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:08,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:42:08,906 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:08,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:08,906 INFO L82 PathProgramCache]: Analyzing trace with hash 693896814, now seen corresponding path program 1 times [2020-09-24 15:42:08,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:08,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284792823] [2020-09-24 15:42:08,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:08,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:08,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:08,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:08,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:08,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 189 [2020-09-24 15:42:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:08,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,245 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:09,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:09,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:09,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:09,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:09,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,336 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:42:09,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:09,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:09,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:42:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:42:09,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:42:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:09,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:09,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:42:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:09,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:42:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:42:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:42:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:09,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:09,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:09,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:09,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:09,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:09,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:09,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:09,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:09,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284792823] [2020-09-24 15:42:09,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:09,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:09,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081116448] [2020-09-24 15:42:09,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:09,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:09,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:09,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:09,531 INFO L87 Difference]: Start difference. First operand 623 states and 677 transitions. Second operand 10 states. [2020-09-24 15:42:10,790 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:11,084 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:11,430 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:11,740 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:12,053 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:12,289 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:13,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:13,710 INFO L93 Difference]: Finished difference Result 1300 states and 1490 transitions. [2020-09-24 15:42:13,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:42:13,710 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2020-09-24 15:42:13,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:13,715 INFO L225 Difference]: With dead ends: 1300 [2020-09-24 15:42:13,716 INFO L226 Difference]: Without dead ends: 787 [2020-09-24 15:42:13,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:42:13,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-09-24 15:42:13,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 639. [2020-09-24 15:42:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-09-24 15:42:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 693 transitions. [2020-09-24 15:42:13,798 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 693 transitions. Word has length 200 [2020-09-24 15:42:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:13,798 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 693 transitions. [2020-09-24 15:42:13,798 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 693 transitions. [2020-09-24 15:42:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 15:42:13,801 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:13,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:13,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:42:13,801 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:13,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:13,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1107528206, now seen corresponding path program 1 times [2020-09-24 15:42:13,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:13,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233162962] [2020-09-24 15:42:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:13,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:13,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -77 [2020-09-24 15:42:13,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 77 [2020-09-24 15:42:13,862 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:13,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 15:42:13,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:13,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:13,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-24 15:42:13,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:13,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,163 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:14,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:14,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:14,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:42:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:42:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:14,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:42:14,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:14,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:14,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:42:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:42:14,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:14,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:14,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:42:14,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:14,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:14,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:42:14,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:14,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:14,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:14,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:14,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:14,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:14,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:42:14,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:42:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:42:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:14,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:14,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:14,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:14,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:14,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:14,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:14,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233162962] [2020-09-24 15:42:14,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:14,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:14,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504878210] [2020-09-24 15:42:14,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:14,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:14,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:14,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:14,424 INFO L87 Difference]: Start difference. First operand 639 states and 693 transitions. Second operand 9 states. [2020-09-24 15:42:15,516 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:15,826 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:16,126 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:16,428 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:16,705 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:18,265 INFO L93 Difference]: Finished difference Result 1338 states and 1546 transitions. [2020-09-24 15:42:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:42:18,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 200 [2020-09-24 15:42:18,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:18,271 INFO L225 Difference]: With dead ends: 1338 [2020-09-24 15:42:18,271 INFO L226 Difference]: Without dead ends: 809 [2020-09-24 15:42:18,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-09-24 15:42:18,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 651. [2020-09-24 15:42:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-09-24 15:42:18,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 705 transitions. [2020-09-24 15:42:18,357 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 705 transitions. Word has length 200 [2020-09-24 15:42:18,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:18,358 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 705 transitions. [2020-09-24 15:42:18,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 705 transitions. [2020-09-24 15:42:18,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-24 15:42:18,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:18,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:18,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:18,361 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:18,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:18,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1038010097, now seen corresponding path program 1 times [2020-09-24 15:42:18,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:18,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233107276] [2020-09-24 15:42:18,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 15:42:18,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:42:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:42:18,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 15:42:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,770 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,802 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:42:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:18,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:18,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:18,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:18,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 15:42:18,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 15:42:18,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:42:18,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:42:18,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:18,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:42:18,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:18,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,947 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:42:18,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:18,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:18,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:18,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:18,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:18,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:18,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:18,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:18,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:18,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:18,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:19,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:19,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:19,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:19,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:19,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:19,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:19,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:19,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:19,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:19,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:42:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-24 15:42:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:19,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:19,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:19,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:19,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:19,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:19,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:19,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-24 15:42:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:19,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:19,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:19,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:19,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:19,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:19,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:19,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:42:19,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233107276] [2020-09-24 15:42:19,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:19,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:19,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900637274] [2020-09-24 15:42:19,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:19,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:19,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:19,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:19,071 INFO L87 Difference]: Start difference. First operand 651 states and 705 transitions. Second operand 7 states. [2020-09-24 15:42:19,633 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:20,279 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:22,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:22,889 INFO L93 Difference]: Finished difference Result 1803 states and 2136 transitions. [2020-09-24 15:42:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:22,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2020-09-24 15:42:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:22,897 INFO L225 Difference]: With dead ends: 1803 [2020-09-24 15:42:22,898 INFO L226 Difference]: Without dead ends: 1262 [2020-09-24 15:42:22,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:42:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2020-09-24 15:42:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1089. [2020-09-24 15:42:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2020-09-24 15:42:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1221 transitions. [2020-09-24 15:42:23,041 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1221 transitions. Word has length 200 [2020-09-24 15:42:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:23,041 INFO L479 AbstractCegarLoop]: Abstraction has 1089 states and 1221 transitions. [2020-09-24 15:42:23,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:42:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1221 transitions. [2020-09-24 15:42:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-09-24 15:42:23,044 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:23,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:23,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:42:23,044 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:23,045 INFO L82 PathProgramCache]: Analyzing trace with hash -873176824, now seen corresponding path program 1 times [2020-09-24 15:42:23,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:23,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947617621] [2020-09-24 15:42:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:42:23,119 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:42:23,119 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:42:23,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:42:23,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:42:23 BoogieIcfgContainer [2020-09-24 15:42:23,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:42:23,157 INFO L168 Benchmark]: Toolchain (without parser) took 42853.36 ms. Allocated memory was 137.9 MB in the beginning and 845.7 MB in the end (delta: 707.8 MB). Free memory was 100.1 MB in the beginning and 194.3 MB in the end (delta: -94.2 MB). Peak memory consumption was 613.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,158 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.89 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.6 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,160 INFO L168 Benchmark]: Boogie Preprocessor took 123.90 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,160 INFO L168 Benchmark]: RCFGBuilder took 1445.30 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 166.3 MB in the beginning and 173.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,161 INFO L168 Benchmark]: TraceAbstraction took 40439.17 ms. Allocated memory was 231.2 MB in the beginning and 845.7 MB in the end (delta: 614.5 MB). Free memory was 172.4 MB in the beginning and 194.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 592.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:42:23,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 834.89 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 170.6 MB in the end (delta: -71.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.90 ms. Allocated memory is still 201.9 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1445.30 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 166.3 MB in the beginning and 173.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40439.17 ms. Allocated memory was 231.2 MB in the beginning and 845.7 MB in the end (delta: 614.5 MB). Free memory was 172.4 MB in the beginning and 194.3 MB in the end (delta: -21.9 MB). Peak memory consumption was 592.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 73]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L525] int retValue_acc ; [L526] int tmp ; [L530] FCALL select_helpers() [L531] FCALL select_features() [L532] CALL, EXPR valid_product() [L868] int retValue_acc ; [L871] retValue_acc = 1 [L872] return (retValue_acc); [L532] RET, EXPR valid_product() [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) [L536] FCALL setup() [L537] CALL runTest() [L516] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 [L787] COND TRUE 1 [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND TRUE \read(tmp) [L799] CALL waterRise() [L896] COND TRUE waterLevel < 2 [L897] waterLevel = waterLevel + 1 [L799] RET waterRise() [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___0) [L809] CALL changeMethaneLevel() [L908] COND FALSE !(\read(methaneLevelCritical)) [L911] methaneLevelCritical = 1 [L809] RET changeMethaneLevel() [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L561] COND FALSE !(\read(pumpRunning)) [L568] COND TRUE \read(systemActive) [L570] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] CALL processEnvironment__wrappee__lowWaterSensor() [L616] int tmp ; [L619] COND FALSE !(\read(pumpRunning)) [L634] CALL processEnvironment__wrappee__highWaterSensor() [L590] int tmp ; [L593] COND TRUE ! pumpRunning [L595] CALL, EXPR isHighWaterLevel() [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L745] CALL, EXPR isHighWaterSensorDry() [L958] int retValue_acc ; [L961] COND FALSE !(waterLevel < 2) [L965] retValue_acc = 0 [L966] return (retValue_acc); [L745] RET, EXPR isHighWaterSensorDry() [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L595] RET, EXPR isHighWaterLevel() [L595] tmp = isHighWaterLevel() [L597] COND TRUE \read(tmp) [L599] CALL activatePump() [L670] pumpRunning = 1 [L599] RET activatePump() [L634] RET processEnvironment__wrappee__highWaterSensor() [L660] RET processEnvironment__wrappee__lowWaterSensor() [L570] RET processEnvironment() [L576] CALL __utac_acc__Specification1_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR isMethaneLevelCritical() [L917] int retValue_acc ; [L920] retValue_acc = methaneLevelCritical [L921] return (retValue_acc); [L49] RET, EXPR isMethaneLevelCritical() [L49] tmp = isMethaneLevelCritical() [L51] COND TRUE \read(tmp) [L53] CALL, EXPR isPumpRunning() [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L53] RET, EXPR isPumpRunning() [L53] tmp___0 = isPumpRunning() [L55] COND TRUE \read(tmp___0) [L57] CALL __automaton_fail() [L73] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 649 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.3s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 32.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2395 SDtfs, 3776 SDslu, 3019 SDs, 0 SdLazy, 7084 SolverSat, 1117 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 246 SyntacticMatches, 4 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1089occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 898 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1805 NumberOfCodeBlocks, 1805 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1591 ConstructedInterpolants, 0 QuantifiedInterpolants, 737165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...