/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:14:39,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:14:39,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:14:39,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:14:39,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:14:39,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:14:39,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:14:39,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:14:39,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:14:39,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:14:39,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:14:39,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:14:39,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:14:39,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:14:39,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:14:39,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:14:39,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:14:39,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:14:39,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:14:39,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:14:39,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:14:39,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:14:39,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:14:39,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:14:39,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:14:39,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:14:39,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:14:39,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:14:39,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:14:39,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:14:39,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:14:39,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:14:39,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:14:39,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:14:39,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:14:39,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:14:39,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:14:39,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:14:39,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:14:39,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:14:39,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:14:39,407 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 21:14:39,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:14:39,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:14:39,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:14:39,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:14:39,455 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:14:39,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:14:39,455 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:14:39,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:14:39,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:14:39,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:14:39,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:14:39,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:14:39,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:14:39,458 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:14:39,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:14:39,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:14:39,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:14:39,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:14:39,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:14:39,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:14:39,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:14:39,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:14:39,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:14:39,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:14:39,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:14:39,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:14:39,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:14:39,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:14:39,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:14:39,461 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;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;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;enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:14:39,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:14:39,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:14:39,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:14:39,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:14:39,927 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:14:39,928 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-09-24 21:14:40,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18da0ba41/c9b0c80c14af4a47a608107ccf0b0541/FLAG4fa571046 [2020-09-24 21:14:40,610 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:14:40,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-09-24 21:14:40,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18da0ba41/c9b0c80c14af4a47a608107ccf0b0541/FLAG4fa571046 [2020-09-24 21:14:40,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/18da0ba41/c9b0c80c14af4a47a608107ccf0b0541 [2020-09-24 21:14:40,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:14:40,920 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:14:40,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:14:40,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:14:40,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:14:40,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:14:40" (1/1) ... [2020-09-24 21:14:40,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:40, skipping insertion in model container [2020-09-24 21:14:40,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:14:40" (1/1) ... [2020-09-24 21:14:40,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:14:40,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:14:41,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:14:41,540 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:14:41,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:14:41,666 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:14:41,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41 WrapperNode [2020-09-24 21:14:41,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:14:41,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:14:41,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:14:41,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:14:41,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... [2020-09-24 21:14:41,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:14:41,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:14:41,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:14:41,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:14:41,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:14:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:14:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:14:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:14:41,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 21:14:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:14:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:14:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:14:41,843 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:14:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:14:41,844 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:14:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:14:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:14:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:14:41,845 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:14:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 21:14:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:14:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:14:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:14:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:14:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:14:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:14:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 21:14:41,848 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 21:14:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:14:41,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:14:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:14:41,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:14:41,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:14:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:14:41,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:14:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:14:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:14:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:14:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:14:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 21:14:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:14:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 21:14:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 21:14:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:14:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:14:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:14:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:14:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:14:41,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:14:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:14:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:14:41,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:14:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:14:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:14:42,997 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:14:42,998 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:14:43,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:14:43 BoogieIcfgContainer [2020-09-24 21:14:43,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:14:43,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:14:43,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:14:43,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:14:43,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:14:40" (1/3) ... [2020-09-24 21:14:43,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b984fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:14:43, skipping insertion in model container [2020-09-24 21:14:43,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:41" (2/3) ... [2020-09-24 21:14:43,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b984fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:14:43, skipping insertion in model container [2020-09-24 21:14:43,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:14:43" (3/3) ... [2020-09-24 21:14:43,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-09-24 21:14:43,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:14:43,042 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:14:43,067 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:14:43,105 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:14:43,105 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:14:43,105 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:14:43,105 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:14:43,105 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:14:43,105 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:14:43,106 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:14:43,106 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:14:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-24 21:14:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 21:14:43,155 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:14:43,156 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 21:14:43,157 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:14:43,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:14:43,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1475280450, now seen corresponding path program 1 times [2020-09-24 21:14:43,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:14:43,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33192413] [2020-09-24 21:14:43,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:14:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:43,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:43,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:45,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:46,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:48,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:48,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 21:14:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:14:48,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 21:14:48,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 21:14:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 21:14:48,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 21:14:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:14:49,158 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:14:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:14:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:14:49,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-09-24 21:14:49,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:49,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 21:14:49,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:14:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:49,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:14:49,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:49,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:49,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:49,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:14:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:49,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:14:49,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:49,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:49,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:14:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:49,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:14:49,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:49,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:14:49,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:14:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:49,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:14:49,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:14:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:49,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:49,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:14:49,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:49,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:14:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:49,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:49,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:49,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:14:49,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:14:49,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:49,765 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 21:14:49,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33192413] [2020-09-24 21:14:49,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:14:49,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 21:14:49,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857754873] [2020-09-24 21:14:49,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 21:14:49,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:14:49,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 21:14:49,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 21:14:49,813 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 4 states. [2020-09-24 21:14:50,681 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:14:51,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:14:51,785 INFO L93 Difference]: Finished difference Result 422 states and 503 transitions. [2020-09-24 21:14:51,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 21:14:51,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-24 21:14:51,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:14:51,810 INFO L225 Difference]: With dead ends: 422 [2020-09-24 21:14:51,811 INFO L226 Difference]: Without dead ends: 268 [2020-09-24 21:14:51,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:14:51,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-24 21:14:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-09-24 21:14:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-24 21:14:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 244 transitions. [2020-09-24 21:14:51,944 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 244 transitions. Word has length 142 [2020-09-24 21:14:51,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:14:51,945 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 244 transitions. [2020-09-24 21:14:51,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 21:14:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2020-09-24 21:14:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-24 21:14:51,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:14:51,950 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] [2020-09-24 21:14:51,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:14:51,951 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:14:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:14:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1004869487, now seen corresponding path program 1 times [2020-09-24 21:14:51,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:14:51,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461696742] [2020-09-24 21:14:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:14:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-24 21:14:57,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:14:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-24 21:14:57,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:14:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 21:14:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-24 21:14:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,386 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:14:57,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:14:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:14:57,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-24 21:14:57,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 21:14:57,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:14:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:57,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:57,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:14:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:57,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:57,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:57,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:14:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:14:57,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:14:57,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:14:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:57,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:14:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 21:14:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:14:57,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:57,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:57,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:14:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:14:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:57,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:14:57,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 21:14:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:57,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:14:57,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:14:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:57,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:14:57,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 21:14:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:57,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:57,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:57,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:57,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:57,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:57,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:14:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:57,848 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 21:14:57,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461696742] [2020-09-24 21:14:57,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:14:57,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 21:14:57,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373812086] [2020-09-24 21:14:57,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 21:14:57,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:14:57,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 21:14:57,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 21:14:57,854 INFO L87 Difference]: Start difference. First operand 228 states and 244 transitions. Second operand 9 states. [2020-09-24 21:14:58,343 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:14:59,688 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 21:15:00,292 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 21:15:00,615 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:00,964 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:15:01,276 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:02,058 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:15:02,415 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:15:02,788 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:04,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:15:04,020 INFO L93 Difference]: Finished difference Result 572 states and 701 transitions. [2020-09-24 21:15:04,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 21:15:04,021 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-24 21:15:04,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:15:04,028 INFO L225 Difference]: With dead ends: 572 [2020-09-24 21:15:04,028 INFO L226 Difference]: Without dead ends: 430 [2020-09-24 21:15:04,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-09-24 21:15:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2020-09-24 21:15:04,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 321. [2020-09-24 21:15:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-09-24 21:15:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 349 transitions. [2020-09-24 21:15:04,098 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 349 transitions. Word has length 151 [2020-09-24 21:15:04,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:15:04,099 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 349 transitions. [2020-09-24 21:15:04,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 21:15:04,100 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 349 transitions. [2020-09-24 21:15:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-24 21:15:04,103 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:15:04,103 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] [2020-09-24 21:15:04,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:15:04,104 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:15:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:15:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2026328297, now seen corresponding path program 1 times [2020-09-24 21:15:04,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:15:04,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633015513] [2020-09-24 21:15:04,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:15:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:04,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:08,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 21:15:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:15:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4643 [2020-09-24 21:15:08,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:15:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 21:15:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-24 21:15:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,151 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:15:09,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:15:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:15:09,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-24 21:15:09,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 21:15:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:15:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:15:09,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:15:09,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:15:09,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:15:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:15:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:15:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:15:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:15:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:15:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:15:09,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:15:09,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:15:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:15:09,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:15:09,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:15:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:15:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:15:09,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:15:09,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:15:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:15:09,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 21:15:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:15:09,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:15:09,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:15:09,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 21:15:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 21:15:09,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:15:09,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:15:09,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:15:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:15:09,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:15:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:15:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:15:09,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:15:09,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:15:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 21:15:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:15:09,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:15:09,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:15:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:15:09,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 21:15:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:15:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:15:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:15:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:15:09,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:15:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:15:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:15:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:15:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:15:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:15:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:15:09,685 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 21:15:09,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633015513] [2020-09-24 21:15:09,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:15:09,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 21:15:09,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466244225] [2020-09-24 21:15:09,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 21:15:09,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:15:09,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 21:15:09,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 21:15:09,689 INFO L87 Difference]: Start difference. First operand 321 states and 349 transitions. Second operand 11 states. [2020-09-24 21:15:10,481 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:15:11,887 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:12,291 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 21:15:12,624 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:12,980 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:15:13,296 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:15:13,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:15:13,727 INFO L93 Difference]: Finished difference Result 578 states and 685 transitions. [2020-09-24 21:15:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 21:15:13,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-24 21:15:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:15:13,731 INFO L225 Difference]: With dead ends: 578 [2020-09-24 21:15:13,731 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:15:13,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-09-24 21:15:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:15:13,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:15:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:15:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:15:13,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-24 21:15:13,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:15:13,737 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:15:13,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 21:15:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:15:13,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:15:13,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:15:13,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:15:13,979 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:14,139 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:14,274 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-24 21:15:14,433 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:14,599 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:14,753 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:14,914 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:15,077 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-24 21:15:15,234 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:15,396 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:15,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:15,708 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:15,879 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:16,033 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:16,188 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:16,337 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:16,490 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:16,629 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:15:16,965 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 21:15:17,305 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 21:15:17,914 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 21:15:18,250 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 21:15:18,584 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 21:15:18,999 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:19,324 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:19,647 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:19,968 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:20,121 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:20,275 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:20,422 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:20,571 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:20,723 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:20,886 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:21,040 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:21,194 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:21,342 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:21,491 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:21,639 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:21,795 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:21,945 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:22,098 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:22,247 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:22,401 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:22,554 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:22,707 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:22,859 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:23,008 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:23,156 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:23,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:23,463 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:23,570 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-24 21:15:23,723 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:23,876 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:24,029 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:24,182 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:24,331 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:24,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:24,632 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:24,785 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:24,944 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:25,093 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:25,242 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:25,392 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:25,549 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:25,698 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:25,851 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:26,180 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:15:26,509 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:15:27,122 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:15:27,455 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:15:27,783 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 21:15:28,194 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:28,516 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:28,838 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:29,163 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:29,315 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:29,468 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:29,617 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:29,768 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:29,916 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:30,065 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:30,212 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:30,369 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:30,522 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:30,674 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:30,823 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:30,977 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:31,477 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:31,799 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-24 21:15:32,044 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:32,180 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-24 21:15:32,330 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:32,481 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:32,630 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:32,779 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:32,928 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:33,081 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:15:33,231 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:33,342 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-24 21:15:33,498 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:15:33,616 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-24 21:15:34,118 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188