/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:03,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:03,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:03,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:03,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:03,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:03,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:03,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:03,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:03,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:03,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:03,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:03,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:03,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:03,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:03,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:03,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:03,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:03,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:03,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:03,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:03,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:03,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:03,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:03,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:03,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:03,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:03,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:03,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:03,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:03,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:03,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:03,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:03,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:03,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:03,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:03,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:03,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:03,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:03,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:03,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:03,348 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 15:50:03,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:03,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:03,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:03,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:03,405 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:03,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:03,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:03,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:03,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:03,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:03,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:03,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:03,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:03,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:03,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:03,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:03,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:03,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:03,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:03,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:03,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:03,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:03,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:03,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:03,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:03,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:03,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:03,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:03,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:03,411 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 15:50:03,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:03,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:03,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:03,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:03,933 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:03,934 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-24 15:50:04,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc61d8c/4eb84e5cbc3a4e5f81fdb1e4601c568e/FLAG0ebef088d [2020-09-24 15:50:04,660 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:04,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2020-09-24 15:50:04,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc61d8c/4eb84e5cbc3a4e5f81fdb1e4601c568e/FLAG0ebef088d [2020-09-24 15:50:04,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bfbc61d8c/4eb84e5cbc3a4e5f81fdb1e4601c568e [2020-09-24 15:50:04,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:04,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:04,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:04,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:04,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:04,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:04" (1/1) ... [2020-09-24 15:50:04,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8aa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:04, skipping insertion in model container [2020-09-24 15:50:04,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:04" (1/1) ... [2020-09-24 15:50:04,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:05,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:05,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:05,469 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:05,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:05,643 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:05,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05 WrapperNode [2020-09-24 15:50:05,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:05,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:05,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:05,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:05,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (1/1) ... [2020-09-24 15:50:05,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:05,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:05,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:05,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:05,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (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 15:50:05,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:05,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:05,850 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:05,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:05,858 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:05,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:07,249 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:07,250 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:07,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:07 BoogieIcfgContainer [2020-09-24 15:50:07,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:07,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:07,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:07,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:07,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:04" (1/3) ... [2020-09-24 15:50:07,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367c772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:07, skipping insertion in model container [2020-09-24 15:50:07,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:05" (2/3) ... [2020-09-24 15:50:07,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367c772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:07, skipping insertion in model container [2020-09-24 15:50:07,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:07" (3/3) ... [2020-09-24 15:50:07,273 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2020-09-24 15:50:07,287 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:07,301 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:07,325 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:07,368 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:07,368 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:07,368 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:07,369 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:07,369 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:07,369 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:07,369 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:07,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-24 15:50:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:07,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:07,421 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 15:50:07,422 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:07,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:07,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1993009160, now seen corresponding path program 1 times [2020-09-24 15:50:07,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:07,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594897168] [2020-09-24 15:50:07,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:07,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:07,802 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:07,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:07,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:07,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:08,305 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:08,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:08,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:08,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:08,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,467 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,467 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:08,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:08,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:08,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:08,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:08,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:08,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:08,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:08,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:08,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:08,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:08,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:08,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:08,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594897168] [2020-09-24 15:50:08,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:08,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:08,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120166147] [2020-09-24 15:50:08,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:08,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:08,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:08,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:08,552 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 3 states. [2020-09-24 15:50:09,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:09,848 INFO L93 Difference]: Finished difference Result 465 states and 549 transitions. [2020-09-24 15:50:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:09,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:09,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:09,869 INFO L225 Difference]: With dead ends: 465 [2020-09-24 15:50:09,869 INFO L226 Difference]: Without dead ends: 290 [2020-09-24 15:50:09,875 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 15:50:09,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-09-24 15:50:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 249. [2020-09-24 15:50:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-24 15:50:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 268 transitions. [2020-09-24 15:50:09,985 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 268 transitions. Word has length 142 [2020-09-24 15:50:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:09,986 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 268 transitions. [2020-09-24 15:50:09,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 268 transitions. [2020-09-24 15:50:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:09,996 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:09,997 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 15:50:09,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:09,998 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:09,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:09,998 INFO L82 PathProgramCache]: Analyzing trace with hash -534856304, now seen corresponding path program 1 times [2020-09-24 15:50:09,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:10,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581194701] [2020-09-24 15:50:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:10,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:50:10,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:10,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:10,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,477 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:10,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:10,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:10,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:10,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:10,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:10,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:10,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:10,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:10,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:10,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:10,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:10,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:10,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:10,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:10,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:10,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581194701] [2020-09-24 15:50:10,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:10,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:10,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068514476] [2020-09-24 15:50:10,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:10,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:10,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:10,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:10,614 INFO L87 Difference]: Start difference. First operand 249 states and 268 transitions. Second operand 4 states. [2020-09-24 15:50:11,273 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:12,168 INFO L93 Difference]: Finished difference Result 382 states and 424 transitions. [2020-09-24 15:50:12,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:12,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:12,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:12,176 INFO L225 Difference]: With dead ends: 382 [2020-09-24 15:50:12,177 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 15:50:12,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:12,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 15:50:12,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 239. [2020-09-24 15:50:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-09-24 15:50:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 255 transitions. [2020-09-24 15:50:12,236 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 255 transitions. Word has length 143 [2020-09-24 15:50:12,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:12,236 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 255 transitions. [2020-09-24 15:50:12,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 255 transitions. [2020-09-24 15:50:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:50:12,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:12,244 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 15:50:12,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:12,246 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:12,246 INFO L82 PathProgramCache]: Analyzing trace with hash -713358115, now seen corresponding path program 1 times [2020-09-24 15:50:12,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:12,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175015206] [2020-09-24 15:50:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:12,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:12,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-24 15:50:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,688 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:12,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,729 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:12,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:12,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:12,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:12,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:12,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:12,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:12,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:12,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:50:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:12,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:12,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:12,804 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:12,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:12,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:12,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:12,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175015206] [2020-09-24 15:50:12,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:12,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:12,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441212314] [2020-09-24 15:50:12,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:12,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:12,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:12,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:12,839 INFO L87 Difference]: Start difference. First operand 239 states and 255 transitions. Second operand 4 states. [2020-09-24 15:50:13,375 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:14,052 INFO L93 Difference]: Finished difference Result 402 states and 449 transitions. [2020-09-24 15:50:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:14,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:50:14,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:14,057 INFO L225 Difference]: With dead ends: 402 [2020-09-24 15:50:14,057 INFO L226 Difference]: Without dead ends: 273 [2020-09-24 15:50:14,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:14,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-24 15:50:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 239. [2020-09-24 15:50:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-09-24 15:50:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 254 transitions. [2020-09-24 15:50:14,115 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 254 transitions. Word has length 152 [2020-09-24 15:50:14,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:14,115 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 254 transitions. [2020-09-24 15:50:14,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 254 transitions. [2020-09-24 15:50:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:50:14,118 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:14,118 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] [2020-09-24 15:50:14,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:14,119 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:14,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:14,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1380723004, now seen corresponding path program 1 times [2020-09-24 15:50:14,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:14,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032028242] [2020-09-24 15:50:14,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-24 15:50:14,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,479 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:14,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:50:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:14,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:14,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,661 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,661 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:14,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:50:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:14,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:50:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:14,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:14,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:14,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032028242] [2020-09-24 15:50:14,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:14,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:50:14,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566449348] [2020-09-24 15:50:14,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:50:14,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:14,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:50:14,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:14,712 INFO L87 Difference]: Start difference. First operand 239 states and 254 transitions. Second operand 7 states. [2020-09-24 15:50:15,244 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:16,864 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:17,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:17,402 INFO L93 Difference]: Finished difference Result 524 states and 592 transitions. [2020-09-24 15:50:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:50:17,403 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-09-24 15:50:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:17,410 INFO L225 Difference]: With dead ends: 524 [2020-09-24 15:50:17,410 INFO L226 Difference]: Without dead ends: 395 [2020-09-24 15:50:17,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:17,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-24 15:50:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 336. [2020-09-24 15:50:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-09-24 15:50:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 361 transitions. [2020-09-24 15:50:17,504 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 361 transitions. Word has length 160 [2020-09-24 15:50:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:17,506 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 361 transitions. [2020-09-24 15:50:17,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:50:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 361 transitions. [2020-09-24 15:50:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-09-24 15:50:17,511 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:17,511 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] [2020-09-24 15:50:17,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:17,512 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:17,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1083295401, now seen corresponding path program 1 times [2020-09-24 15:50:17,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:17,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348642094] [2020-09-24 15:50:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:17,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:17,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:17,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:17,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:17,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 15:50:17,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 15:50:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 15:50:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:17,995 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:17,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:18,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:18,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:18,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:50:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:18,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:18,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 15:50:18,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:18,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:18,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-24 15:50:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:50:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:18,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:18,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348642094] [2020-09-24 15:50:18,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:18,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:18,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536851443] [2020-09-24 15:50:18,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:18,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:18,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:18,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:18,219 INFO L87 Difference]: Start difference. First operand 336 states and 361 transitions. Second operand 9 states. [2020-09-24 15:50:18,760 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:20,133 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:20,372 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:20,636 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:20,944 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:21,228 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:21,521 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:21,823 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:22,928 INFO L93 Difference]: Finished difference Result 795 states and 918 transitions. [2020-09-24 15:50:22,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:22,930 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 184 [2020-09-24 15:50:22,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:22,935 INFO L225 Difference]: With dead ends: 795 [2020-09-24 15:50:22,936 INFO L226 Difference]: Without dead ends: 569 [2020-09-24 15:50:22,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-09-24 15:50:23,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 503. [2020-09-24 15:50:23,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-09-24 15:50:23,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 550 transitions. [2020-09-24 15:50:23,017 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 550 transitions. Word has length 184 [2020-09-24 15:50:23,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:23,018 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 550 transitions. [2020-09-24 15:50:23,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 550 transitions. [2020-09-24 15:50:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 15:50:23,021 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:23,021 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] [2020-09-24 15:50:23,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:23,022 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:23,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:23,023 INFO L82 PathProgramCache]: Analyzing trace with hash 891316310, now seen corresponding path program 1 times [2020-09-24 15:50:23,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:23,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601910426] [2020-09-24 15:50:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:50:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:50:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:50:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 15:50:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,480 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,513 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:23,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:23,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:23,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:23,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:50:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:50:23,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:23,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:23,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:23,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:50:23,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:23,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:23,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:50:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:23,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:50:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:23,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:23,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:23,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:23,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601910426] [2020-09-24 15:50:23,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:23,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:50:23,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041967053] [2020-09-24 15:50:23,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:23,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:23,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:23,718 INFO L87 Difference]: Start difference. First operand 503 states and 550 transitions. Second operand 10 states. [2020-09-24 15:50:24,338 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:25,873 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:26,201 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:26,527 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:26,831 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:27,120 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:27,557 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:27,838 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:28,214 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:28,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:28,913 INFO L93 Difference]: Finished difference Result 575 states and 647 transitions. [2020-09-24 15:50:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:50:28,914 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 189 [2020-09-24 15:50:28,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:28,919 INFO L225 Difference]: With dead ends: 575 [2020-09-24 15:50:28,920 INFO L226 Difference]: Without dead ends: 572 [2020-09-24 15:50:28,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:50:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2020-09-24 15:50:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 503. [2020-09-24 15:50:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-09-24 15:50:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 549 transitions. [2020-09-24 15:50:28,977 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 549 transitions. Word has length 189 [2020-09-24 15:50:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:28,977 INFO L479 AbstractCegarLoop]: Abstraction has 503 states and 549 transitions. [2020-09-24 15:50:28,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:28,977 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 549 transitions. [2020-09-24 15:50:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:50:28,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:28,981 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:28,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:28,981 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:28,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:28,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1175095200, now seen corresponding path program 1 times [2020-09-24 15:50:28,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:28,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600317080] [2020-09-24 15:50:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:50:29,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:50:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,408 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:29,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,522 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:29,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:50:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,594 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:29,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:29,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:29,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:29,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,703 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,704 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:29,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:29,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:29,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:50:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:50:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:29,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:29,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600317080] [2020-09-24 15:50:29,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:29,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:50:29,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942026138] [2020-09-24 15:50:29,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:50:29,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:50:29,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:50:29,796 INFO L87 Difference]: Start difference. First operand 503 states and 549 transitions. Second operand 14 states. [2020-09-24 15:50:30,332 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:31,192 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:31,907 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:32,212 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:32,528 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:32,857 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:33,155 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:33,473 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:33,800 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:34,094 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:34,382 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:34,708 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:35,061 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:35,386 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:37,804 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:50:38,284 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:38,588 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:38,921 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:39,232 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:39,545 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:39,846 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:40,530 INFO L93 Difference]: Finished difference Result 1215 states and 1398 transitions. [2020-09-24 15:50:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 15:50:40,530 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-24 15:50:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:40,535 INFO L225 Difference]: With dead ends: 1215 [2020-09-24 15:50:40,535 INFO L226 Difference]: Without dead ends: 822 [2020-09-24 15:50:40,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=388, Invalid=1418, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:50:40,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-09-24 15:50:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 746. [2020-09-24 15:50:40,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-09-24 15:50:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 822 transitions. [2020-09-24 15:50:40,622 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 822 transitions. Word has length 212 [2020-09-24 15:50:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:40,622 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 822 transitions. [2020-09-24 15:50:40,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:50:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 822 transitions. [2020-09-24 15:50:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:50:40,626 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:40,626 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:40,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:40,627 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:40,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:40,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2037923363, now seen corresponding path program 1 times [2020-09-24 15:50:40,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:40,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273643295] [2020-09-24 15:50:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:40,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:40,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:40,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:50:40,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-24 15:50:40,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,001 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:41,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:41,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:41,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:41,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:41,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:50:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:41,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:41,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:41,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:50:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:41,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:41,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:41,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:50:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:41,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:41,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:50:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:41,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:41,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:41,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:41,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:41,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:41,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:41,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:41,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:41,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:41,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:41,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:41,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:41,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273643295] [2020-09-24 15:50:41,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:41,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:50:41,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503625325] [2020-09-24 15:50:41,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:41,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:41,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:41,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:41,244 INFO L87 Difference]: Start difference. First operand 746 states and 822 transitions. Second operand 10 states. [2020-09-24 15:50:42,535 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:43,363 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:43,677 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:44,038 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:44,378 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:44,689 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,002 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:45,371 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:45,708 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:47,172 INFO L93 Difference]: Finished difference Result 1331 states and 1533 transitions. [2020-09-24 15:50:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:50:47,173 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-24 15:50:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:47,178 INFO L225 Difference]: With dead ends: 1331 [2020-09-24 15:50:47,179 INFO L226 Difference]: Without dead ends: 865 [2020-09-24 15:50:47,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:50:47,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-09-24 15:50:47,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 726. [2020-09-24 15:50:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2020-09-24 15:50:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 799 transitions. [2020-09-24 15:50:47,268 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 799 transitions. Word has length 212 [2020-09-24 15:50:47,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:47,269 INFO L479 AbstractCegarLoop]: Abstraction has 726 states and 799 transitions. [2020-09-24 15:50:47,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 799 transitions. [2020-09-24 15:50:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-24 15:50:47,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:47,272 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:47,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:47,273 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:47,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:47,273 INFO L82 PathProgramCache]: Analyzing trace with hash 517849007, now seen corresponding path program 1 times [2020-09-24 15:50:47,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:47,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833658429] [2020-09-24 15:50:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:47,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -60 [2020-09-24 15:50:47,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 60 [2020-09-24 15:50:47,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-09-24 15:50:47,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:47,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 15:50:47,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,622 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:47,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:47,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:47,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:50:47,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:47,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:47,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:47,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:47,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:47,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:47,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:47,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:47,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:47,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:47,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:50:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,864 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:47,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:50:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:47,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:50:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:47,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 15:50:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-24 15:50:47,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833658429] [2020-09-24 15:50:47,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:47,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:50:47,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65161863] [2020-09-24 15:50:47,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:47,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:47,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:47,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:47,937 INFO L87 Difference]: Start difference. First operand 726 states and 799 transitions. Second operand 10 states. [2020-09-24 15:50:49,000 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:49,311 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:49,611 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:49,923 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:50,232 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:51,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:51,176 INFO L93 Difference]: Finished difference Result 1229 states and 1387 transitions. [2020-09-24 15:50:51,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:51,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-09-24 15:50:51,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:51,183 INFO L225 Difference]: With dead ends: 1229 [2020-09-24 15:50:51,183 INFO L226 Difference]: Without dead ends: 613 [2020-09-24 15:50:51,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:50:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2020-09-24 15:50:51,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 569. [2020-09-24 15:50:51,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-09-24 15:50:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 623 transitions. [2020-09-24 15:50:51,253 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 623 transitions. Word has length 254 [2020-09-24 15:50:51,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:51,254 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 623 transitions. [2020-09-24 15:50:51,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:51,254 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 623 transitions. [2020-09-24 15:50:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-09-24 15:50:51,257 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:51,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:51,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:50:51,258 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:51,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1117850901, now seen corresponding path program 1 times [2020-09-24 15:50:51,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:51,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566498447] [2020-09-24 15:50:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-09-24 15:50:51,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:50:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,648 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,655 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:51,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:51,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:51,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:51,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:51,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:51,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,803 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:51,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:51,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:51,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:51,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:50:51,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:51,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:51,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,854 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:51,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:50:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,882 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:51,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:50:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:51,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:50:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:50:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:50:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:51,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 15:50:52,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566498447] [2020-09-24 15:50:52,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:52,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:50:52,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575828227] [2020-09-24 15:50:52,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:50:52,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:52,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:50:52,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:50:52,035 INFO L87 Difference]: Start difference. First operand 569 states and 623 transitions. Second operand 13 states. [2020-09-24 15:50:52,573 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:53,436 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:54,485 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:54,791 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:55,114 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:55,425 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:55,716 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:56,020 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:56,307 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:56,627 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:56,965 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:57,318 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:58,405 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:58,689 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188