/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:11:59,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:11:59,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:11:59,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:11:59,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:11:59,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:11:59,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:11:59,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:11:59,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:11:59,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:11:59,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:11:59,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:11:59,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:11:59,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:11:59,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:11:59,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:11:59,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:11:59,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:11:59,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:11:59,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:11:59,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:11:59,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:11:59,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:11:59,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:11:59,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:11:59,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:11:59,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:11:59,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:11:59,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:11:59,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:11:59,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:11:59,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:11:59,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:11:59,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:11:59,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:11:59,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:11:59,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:11:59,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:11:59,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:11:59,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:11:59,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:11:59,577 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 [2020-09-25 14:11:59,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:11:59,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:11:59,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:11:59,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:11:59,623 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:11:59,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:11:59,624 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:11:59,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:11:59,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:11:59,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:11:59,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:11:59,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:11:59,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:11:59,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:11:59,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:11:59,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:11:59,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:11:59,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:11:59,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:11:59,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:11:59,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:11:59,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:11:59,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:11:59,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:11:59,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:11:59,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:11:59,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:11:59,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:11:59,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:11:59,630 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:12:00,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:12:00,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:12:00,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:12:00,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:12:00,106 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:12:00,107 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 14:12:00,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31ecf58f3/13243a769c3c4699abf039a3c6a6660d/FLAG49665dba0 [2020-09-25 14:12:00,821 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:12:00,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 14:12:00,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31ecf58f3/13243a769c3c4699abf039a3c6a6660d/FLAG49665dba0 [2020-09-25 14:12:01,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/31ecf58f3/13243a769c3c4699abf039a3c6a6660d [2020-09-25 14:12:01,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:12:01,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:12:01,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:12:01,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:12:01,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:12:01,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01, skipping insertion in model container [2020-09-25 14:12:01,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:12:01,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:12:01,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:12:01,680 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:12:01,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:12:01,804 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:12:01,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01 WrapperNode [2020-09-25 14:12:01,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:12:01,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:12:01,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:12:01,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:12:01,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (1/1) ... [2020-09-25 14:12:01,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:12:01,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:12:01,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:12:01,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:12:01,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (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 [2020-09-25 14:12:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:12:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:12:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:12:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:12:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:12:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:12:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:12:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:12:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:12:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:12:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:12:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:12:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:12:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:12:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:12:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:12:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:12:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:12:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:12:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 14:12:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 14:12:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:12:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:12:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:12:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:12:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:12:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:12:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:12:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:12:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:12:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:12:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:12:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:12:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:12:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:12:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:12:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:12:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:12:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:12:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:12:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:12:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:12:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:12:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:12:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:12:03,201 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:12:03,201 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:12:03,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:03 BoogieIcfgContainer [2020-09-25 14:12:03,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:12:03,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:12:03,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:12:03,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:12:03,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:12:01" (1/3) ... [2020-09-25 14:12:03,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270cdd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:03, skipping insertion in model container [2020-09-25 14:12:03,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:12:01" (2/3) ... [2020-09-25 14:12:03,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270cdd8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:12:03, skipping insertion in model container [2020-09-25 14:12:03,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:12:03" (3/3) ... [2020-09-25 14:12:03,220 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-09-25 14:12:03,233 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:12:03,246 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:12:03,272 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:12:03,308 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:12:03,308 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:12:03,308 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:12:03,309 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:12:03,309 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:12:03,309 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:12:03,309 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:12:03,309 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:12:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 14:12:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 14:12:03,360 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:03,362 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] [2020-09-25 14:12:03,363 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:03,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:03,372 INFO L82 PathProgramCache]: Analyzing trace with hash 253748862, now seen corresponding path program 1 times [2020-09-25 14:12:03,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:03,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925697260] [2020-09-25 14:12:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:03,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:05,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:06,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:08,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:08,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 14:12:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:12:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 14:12:08,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:08,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:12:08,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:12:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 14:12:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:12:09,224 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:09,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:09,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-25 14:12:09,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:09,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:12:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:09,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:12:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:09,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:12:09,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:09,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:09,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:12:09,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:09,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:09,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:12:09,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:12:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:09,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:09,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 14:12:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:09,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:09,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:09,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:09,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:09,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:09,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:09,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:09,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:12:09,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1925697260] [2020-09-25 14:12:09,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:09,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 14:12:09,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550383269] [2020-09-25 14:12:09,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 14:12:09,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:09,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 14:12:09,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 14:12:09,923 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 4 states. [2020-09-25 14:12:10,772 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:12,792 INFO L93 Difference]: Finished difference Result 590 states and 720 transitions. [2020-09-25 14:12:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 14:12:12,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 14:12:12,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:12,828 INFO L225 Difference]: With dead ends: 590 [2020-09-25 14:12:12,829 INFO L226 Difference]: Without dead ends: 416 [2020-09-25 14:12:12,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:12:12,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-25 14:12:12,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 348. [2020-09-25 14:12:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-25 14:12:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 387 transitions. [2020-09-25 14:12:12,980 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 387 transitions. Word has length 142 [2020-09-25 14:12:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:12,981 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 387 transitions. [2020-09-25 14:12:12,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 14:12:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 387 transitions. [2020-09-25 14:12:12,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 14:12:12,987 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:12,987 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] [2020-09-25 14:12:12,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:12:12,987 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:12,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:12,988 INFO L82 PathProgramCache]: Analyzing trace with hash 140541334, now seen corresponding path program 1 times [2020-09-25 14:12:12,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:12,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484961504] [2020-09-25 14:12:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:13,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:13,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:14,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 14:12:18,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:12:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 14:12:18,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:12:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:12:18,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 14:12:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,453 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:18,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:18,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 14:12:18,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:12:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:18,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:18,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:18,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:18,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:12:18,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:12:18,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:18,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:18,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 14:12:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:12:18,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:12:18,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:12:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:12:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:18,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:18,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:18,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:12:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:18,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:12:18,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:12:18,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 14:12:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:18,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:18,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:18,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:18,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:18,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:12:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:18,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:12:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:12:18,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:12:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:12:18,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484961504] [2020-09-25 14:12:18,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:18,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:12:18,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686703386] [2020-09-25 14:12:18,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:12:18,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:18,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:12:18,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:12:18,987 INFO L87 Difference]: Start difference. First operand 348 states and 387 transitions. Second operand 9 states. [2020-09-25 14:12:19,493 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:20,815 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:21,233 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:12:21,579 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:21,978 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:12:22,321 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:22,925 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:23,247 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:23,648 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:24,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:24,861 INFO L93 Difference]: Finished difference Result 1029 states and 1305 transitions. [2020-09-25 14:12:24,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:12:24,866 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 14:12:24,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:24,874 INFO L225 Difference]: With dead ends: 1029 [2020-09-25 14:12:24,875 INFO L226 Difference]: Without dead ends: 744 [2020-09-25 14:12:24,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 14:12:24,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-09-25 14:12:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 539. [2020-09-25 14:12:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 14:12:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 608 transitions. [2020-09-25 14:12:24,987 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 608 transitions. Word has length 151 [2020-09-25 14:12:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:24,988 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 608 transitions. [2020-09-25 14:12:24,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:12:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 608 transitions. [2020-09-25 14:12:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 14:12:24,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:12:24,992 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] [2020-09-25 14:12:24,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:12:24,992 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:12:24,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:12:24,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1291056650, now seen corresponding path program 1 times [2020-09-25 14:12:24,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:12:24,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952488911] [2020-09-25 14:12:24,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:12:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:25,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:25,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:25,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 14:12:28,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:12:28,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3122 [2020-09-25 14:12:28,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 14:12:28,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:12:28,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-25 14:12:28,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,525 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:12:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 14:12:28,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-09-25 14:12:28,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:12:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 14:12:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:28,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:12:28,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 14:12:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:28,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:28,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:12:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:28,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:12:28,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 14:12:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:12:28,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:28,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:12:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:12:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:12:28,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:12:28,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:12:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 14:12:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:12:28,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:12:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:12:28,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:12:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:12:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:12:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:28,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:12:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:28,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:12:28,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:12:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:28,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:12:28,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 14:12:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:12:28,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:12:28,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:12:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:12:28,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:12:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:12:28,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:12:28,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:12:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:12:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:12:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:12:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:12:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:12:29,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952488911] [2020-09-25 14:12:29,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:12:29,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:12:29,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485513466] [2020-09-25 14:12:29,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:12:29,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:12:29,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:12:29,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:12:29,070 INFO L87 Difference]: Start difference. First operand 539 states and 608 transitions. Second operand 11 states. [2020-09-25 14:12:29,648 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:30,981 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:31,286 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:12:31,641 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:32,034 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:12:32,367 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:32,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:12:32,885 INFO L93 Difference]: Finished difference Result 975 states and 1183 transitions. [2020-09-25 14:12:32,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 14:12:32,886 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 14:12:32,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:12:32,888 INFO L225 Difference]: With dead ends: 975 [2020-09-25 14:12:32,888 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:12:32,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-09-25 14:12:32,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:12:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:12:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:12:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:12:32,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 14:12:32,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:12:32,893 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:12:32,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:12:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:12:32,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:12:32,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:12:32,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:12:33,088 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:33,262 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:33,440 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:33,606 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:33,895 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:12:34,067 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:34,237 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:34,404 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:34,559 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:34,723 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:34,886 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:35,065 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:35,223 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:35,480 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:12:35,865 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 14:12:36,151 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:12:36,440 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:12:36,730 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:12:37,010 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 14:12:37,295 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:12:37,584 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 14:12:37,724 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 14:12:37,870 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:38,019 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:38,170 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:38,331 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:38,491 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:38,641 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:38,801 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:38,949 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:39,093 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:39,242 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:39,398 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:39,550 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:39,708 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:39,857 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:40,009 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:40,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:40,316 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:40,459 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:40,608 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:40,765 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:40,922 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:41,075 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:41,233 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:41,382 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:41,538 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:41,690 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:41,849 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:42,001 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:42,153 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,301 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:42,460 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:42,616 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:42,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:42,927 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:43,085 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:43,539 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:43,806 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:44,044 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:44,191 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:44,580 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:44,955 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:45,223 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:45,692 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:46,070 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:46,320 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:12:46,471 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:46,737 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:47,003 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:12:47,249 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 14:12:47,497 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:12:47,655 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:47,813 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:48,053 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 10 [2020-09-25 14:12:48,210 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:48,363 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:48,520 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:48,677 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:48,838 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:48,995 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:49,148 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:49,306 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:49,453 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:49,611 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:49,769 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:49,922 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:50,091 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:50,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:50,570 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:50,948 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:51,327 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 14:12:51,575 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:51,727 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:51,877 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:52,035 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:52,226 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:52,470 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 14:12:52,625 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:12:52,779 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:12:52,924 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:53,072 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:53,221 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:53,370 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:53,514 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:53,657 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:53,807 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 14:12:53,953 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 14:12:54,112 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:12:54,563 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:12:54,832 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 14:12:55,157 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 14:12:55,392 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 14:12:55,729 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189