/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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:02:17,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:02:17,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:02:17,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:02:17,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:02:17,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:02:17,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:02:17,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:02:17,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:02:17,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:02:17,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:02:17,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:02:17,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:02:17,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:02:17,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:02:17,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:02:17,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:02:17,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:02:17,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:02:17,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:02:17,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:02:17,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:02:17,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:02:17,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:02:17,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:02:17,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:02:17,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:02:17,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:02:17,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:02:17,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:02:17,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:02:17,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:02:17,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:02:17,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:02:17,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:02:17,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:02:17,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:02:17,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:02:17,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:02:17,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:02:17,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:02:17,640 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 [2020-10-14 07:02:17,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:02:17,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:02:17,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:02:17,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:02:17,687 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:02:17,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:02:17,688 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:02:17,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:02:17,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:02:17,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:02:17,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:02:17,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:02:17,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:02:17,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:02:17,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:02:17,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:02:17,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:02:17,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:02:17,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:02:17,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:02:17,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:02:17,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:17,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:02:17,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:02:17,694 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 -> SequenceOfStatements 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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:02:18,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:02:18,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:02:18,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:02:18,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:02:18,043 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:02:18,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-14 07:02:18,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0949cefbb/2ada5a6245074fb791afd26666a3206e/FLAG91318738f [2020-10-14 07:02:18,655 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:02:18,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-10-14 07:02:18,667 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0949cefbb/2ada5a6245074fb791afd26666a3206e/FLAG91318738f [2020-10-14 07:02:18,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0949cefbb/2ada5a6245074fb791afd26666a3206e [2020-10-14 07:02:18,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:02:18,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:02:18,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:18,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:02:18,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:02:18,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:18" (1/1) ... [2020-10-14 07:02:18,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:18, skipping insertion in model container [2020-10-14 07:02:18,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:18" (1/1) ... [2020-10-14 07:02:18,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:02:19,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:02:19,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:19,391 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:02:19,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:19,659 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:02:19,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19 WrapperNode [2020-10-14 07:02:19,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:19,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:02:19,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:02:19,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:02:19,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (1/1) ... [2020-10-14 07:02:19,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:02:19,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:02:19,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:02:19,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:02:19,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (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 [2020-10-14 07:02:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:02:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:02:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:02:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:02:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:02:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:02:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:02:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:02:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:02:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:02:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:02:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:02:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:02:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:02:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:02:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:02:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:02:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:02:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:02:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:02:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:02:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:02:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:02:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:02:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:02:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:02:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:02:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:02:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:02:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:02:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:02:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:02:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:02:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:02:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:02:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:02:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:02:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:02:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:02:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:02:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:02:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:02:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:02:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:02:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:02:20,875 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:02:20,876 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:02:20,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:20 BoogieIcfgContainer [2020-10-14 07:02:20,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:02:20,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:02:20,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:02:20,887 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:02:20,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:02:18" (1/3) ... [2020-10-14 07:02:20,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6d87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:20, skipping insertion in model container [2020-10-14 07:02:20,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:19" (2/3) ... [2020-10-14 07:02:20,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6d87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:20, skipping insertion in model container [2020-10-14 07:02:20,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:20" (3/3) ... [2020-10-14 07:02:20,891 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-10-14 07:02:20,902 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:02:20,911 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:02:20,926 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:02:20,952 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:02:20,952 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:02:20,952 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:02:20,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:02:20,953 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:02:20,953 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:02:20,953 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:02:20,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:02:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-10-14 07:02:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:02:20,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:20,987 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] [2020-10-14 07:02:20,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:20,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2020-10-14 07:02:21,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:21,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410703755] [2020-10-14 07:02:21,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:21,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:21,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:21,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:22,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:22,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:02:26,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:26,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 07:02:26,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:02:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 07:02:26,700 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:26,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:26,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 07:02:26,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:26,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:26,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:26,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:26,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:26,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:26,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:02:26,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:26,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:26,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:02:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:02:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:26,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:02:26,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:26,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:26,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:26,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:26,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:02:26,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:26,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:26,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:26,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:26,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:26,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410703755] [2020-10-14 07:02:26,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:26,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:02:26,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777304654] [2020-10-14 07:02:26,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:02:26,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:26,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:02:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:26,914 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2020-10-14 07:02:27,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:27,959 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2020-10-14 07:02:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:02:27,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:02:27,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:27,985 INFO L225 Difference]: With dead ends: 198 [2020-10-14 07:02:27,986 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:02:27,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:28,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:02:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-10-14 07:02:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:02:28,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-10-14 07:02:28,116 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-10-14 07:02:28,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:28,117 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-10-14 07:02:28,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:02:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-10-14 07:02:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:02:28,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:28,122 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] [2020-10-14 07:02:28,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:02:28,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:28,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2020-10-14 07:02:28,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:28,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714900253] [2020-10-14 07:02:28,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:28,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:28,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:28,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:28,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:28,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:29,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:02:33,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:33,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:02:33,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 07:02:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,482 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:33,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 07:02:33,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:02:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:33,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:33,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:33,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:33,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:33,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:33,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:33,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:33,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:33,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:02:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:33,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:33,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:02:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:33,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:33,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:33,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:33,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:33,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:33,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:33,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:33,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:33,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:33,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714900253] [2020-10-14 07:02:33,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:33,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:02:33,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913205742] [2020-10-14 07:02:33,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:02:33,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:02:33,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:02:33,661 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2020-10-14 07:02:33,988 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:02:34,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:34,616 INFO L93 Difference]: Finished difference Result 171 states and 221 transitions. [2020-10-14 07:02:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 07:02:34,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:02:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:34,619 INFO L225 Difference]: With dead ends: 171 [2020-10-14 07:02:34,619 INFO L226 Difference]: Without dead ends: 113 [2020-10-14 07:02:34,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:02:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-14 07:02:34,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2020-10-14 07:02:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 07:02:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 99 transitions. [2020-10-14 07:02:34,654 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 99 transitions. Word has length 52 [2020-10-14 07:02:34,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:34,655 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 99 transitions. [2020-10-14 07:02:34,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:02:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2020-10-14 07:02:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-14 07:02:34,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:34,657 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] [2020-10-14 07:02:34,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:02:34,658 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:34,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:34,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1979069117, now seen corresponding path program 1 times [2020-10-14 07:02:34,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:34,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183894894] [2020-10-14 07:02:34,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:34,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:39,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:39,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 07:02:39,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:02:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 07:02:39,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:39,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:39,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:02:39,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:02:39,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:39,943 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:39,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:39,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:39,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:39,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 07:02:39,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:39,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:39,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:39,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:39,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:39,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:39,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:39,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:39,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:39,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:39,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:39,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:39,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:39,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:39,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:39,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:39,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:40,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:40,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:40,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:40,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 07:02:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:40,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:02:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:02:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 07:02:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:40,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:40,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:40,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:40,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:40,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:40,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:40,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:40,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183894894] [2020-10-14 07:02:40,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:40,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:02:40,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256288903] [2020-10-14 07:02:40,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:02:40,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:40,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:02:40,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:02:40,044 INFO L87 Difference]: Start difference. First operand 86 states and 99 transitions. Second operand 5 states. [2020-10-14 07:02:40,494 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:02:40,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:40,945 INFO L93 Difference]: Finished difference Result 143 states and 175 transitions. [2020-10-14 07:02:40,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:02:40,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-14 07:02:40,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:40,947 INFO L225 Difference]: With dead ends: 143 [2020-10-14 07:02:40,948 INFO L226 Difference]: Without dead ends: 103 [2020-10-14 07:02:40,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:02:40,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-14 07:02:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2020-10-14 07:02:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-14 07:02:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-10-14 07:02:40,981 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 55 [2020-10-14 07:02:40,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:40,982 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-10-14 07:02:40,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:02:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-10-14 07:02:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 07:02:40,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:40,984 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] [2020-10-14 07:02:40,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:02:40,985 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:40,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2020-10-14 07:02:40,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:40,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471840531] [2020-10-14 07:02:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:41,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:42,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-14 07:02:46,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:02:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:02:46,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:02:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-14 07:02:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:46,325 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:46,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 07:02:46,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:02:46,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:46,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:46,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:46,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:46,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:46,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:46,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:02:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:02:46,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:02:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:46,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:46,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:46,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:02:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:46,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:46,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:02:46,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:46,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:02:46,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:46,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:46,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:46,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471840531] [2020-10-14 07:02:46,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:46,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:02:46,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847060363] [2020-10-14 07:02:46,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:02:46,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:46,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:02:46,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:02:46,496 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2020-10-14 07:02:46,892 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:02:47,689 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:02:47,956 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:48,247 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-14 07:02:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:48,377 INFO L93 Difference]: Finished difference Result 141 states and 177 transitions. [2020-10-14 07:02:48,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:02:48,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-14 07:02:48,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:48,379 INFO L225 Difference]: With dead ends: 141 [2020-10-14 07:02:48,379 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:02:48,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:02:48,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:02:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:02:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:02:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:02:48,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-10-14 07:02:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:48,383 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:02:48,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:02:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:02:48,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:02:48,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:02:48,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:02:49,980 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:50,131 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:50,317 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:50,494 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:50,658 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:50,815 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:50,964 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:51,174 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:51,312 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:51,451 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:02:51,599 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:51,749 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:02:51,916 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2020-10-14 07:02:52,066 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:52,278 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:52,456 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:02:52,611 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:52,761 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-10-14 07:02:52,766 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-14 07:02:52,766 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 498) no Hoare annotation was computed. [2020-10-14 07:02:52,766 INFO L268 CegarLoopResult]: For program point L499(lines 476 500) no Hoare annotation was computed. [2020-10-14 07:02:52,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 452 507) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 452 507) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 452 507) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 487) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point L540(lines 540 544) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point L540-1(lines 540 544) no Hoare annotation was computed. [2020-10-14 07:02:52,767 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 508 567) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 559) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point L560(lines 533 561) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 508 567) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 508 567) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-14 07:02:52,768 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-10-14 07:02:52,769 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2020-10-14 07:02:52,769 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2020-10-14 07:02:52,769 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2020-10-14 07:02:52,769 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2020-10-14 07:02:52,769 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2020-10-14 07:02:52,770 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 336 358) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,770 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,770 INFO L264 CegarLoopResult]: At program point L348-1(line 348) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,770 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-10-14 07:02:52,770 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2020-10-14 07:02:52,770 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2020-10-14 07:02:52,770 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-10-14 07:02:52,771 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,771 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,771 INFO L264 CegarLoopResult]: At program point L342-1(line 342) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,771 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2020-10-14 07:02:52,771 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 293 316) no Hoare annotation was computed. [2020-10-14 07:02:52,771 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 293 316) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 293 316) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-10-14 07:02:52,772 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2020-10-14 07:02:52,773 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2020-10-14 07:02:52,773 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 119 154) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L138(lines 138 146) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 119 154) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 119 154) no Hoare annotation was computed. [2020-10-14 07:02:52,774 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 406 451) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 406 451) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 406 451) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point L733(lines 733 753) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 753) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 719 764) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 719 764) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 719 764) no Hoare annotation was computed. [2020-10-14 07:02:52,775 INFO L268 CegarLoopResult]: For program point L739(lines 739 746) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L271 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: true [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 99 109) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 99 109) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 99 109) no Hoare annotation was computed. [2020-10-14 07:02:52,776 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 91 98) no Hoare annotation was computed. [2020-10-14 07:02:52,777 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 91 98) no Hoare annotation was computed. [2020-10-14 07:02:52,777 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 91 98) no Hoare annotation was computed. [2020-10-14 07:02:52,777 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2020-10-14 07:02:52,777 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2020-10-14 07:02:52,777 INFO L264 CegarLoopResult]: At program point testENTRY(lines 159 222) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,777 INFO L264 CegarLoopResult]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,777 INFO L268 CegarLoopResult]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L268 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L264 CegarLoopResult]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,778 INFO L268 CegarLoopResult]: For program point L170(lines 169 214) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,778 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2020-10-14 07:02:52,778 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,778 INFO L264 CegarLoopResult]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L171(lines 171 175) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 673 718) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L693(lines 693 700) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 673 718) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 673 718) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L687(lines 687 707) no Hoare annotation was computed. [2020-10-14 07:02:52,779 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 707) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L264 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2020-10-14 07:02:52,780 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 814 836) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 814 836) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 228 237) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 228 237) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 228 237) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point L640(lines 618 641) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 570 672) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point L599(lines 599 615) no Hoare annotation was computed. [2020-10-14 07:02:52,781 INFO L268 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L620(lines 619 639) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L616(lines 616 657) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 570 672) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 570 672) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 639) no Hoare annotation was computed. [2020-10-14 07:02:52,782 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 83 90) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 83 90) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 83 90) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 837 845) no Hoare annotation was computed. [2020-10-14 07:02:52,783 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 837 845) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,784 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2020-10-14 07:02:52,784 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2020-10-14 07:02:52,785 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2020-10-14 07:02:52,785 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:02:52,785 INFO L264 CegarLoopResult]: At program point L63(lines 63 69) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:02:52,785 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,785 INFO L268 CegarLoopResult]: For program point L56(lines 55 74) no Hoare annotation was computed. [2020-10-14 07:02:52,785 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2020-10-14 07:02:52,786 INFO L271 CegarLoopResult]: At program point L288(lines 263 292) the Hoare annotation is: true [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2020-10-14 07:02:52,786 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-10-14 07:02:52,786 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2020-10-14 07:02:52,786 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-10-14 07:02:52,787 INFO L271 CegarLoopResult]: At program point L273-2(lines 273 287) the Hoare annotation is: true [2020-10-14 07:02:52,787 INFO L271 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: true [2020-10-14 07:02:52,787 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-10-14 07:02:52,787 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2020-10-14 07:02:52,787 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2020-10-14 07:02:52,787 INFO L268 CegarLoopResult]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2020-10-14 07:02:52,787 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2020-10-14 07:02:52,787 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2020-10-14 07:02:52,787 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,788 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-14 07:02:52,788 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:02:52,788 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:02:52,788 INFO L268 CegarLoopResult]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2020-10-14 07:02:52,788 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2020-10-14 07:02:52,788 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:02:52,788 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2020-10-14 07:02:52,789 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2020-10-14 07:02:52,789 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2020-10-14 07:02:52,789 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2020-10-14 07:02:52,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:02:52 BoogieIcfgContainer [2020-10-14 07:02:52,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:02:52,809 INFO L168 Benchmark]: Toolchain (without parser) took 33838.98 ms. Allocated memory was 147.8 MB in the beginning and 715.1 MB in the end (delta: 567.3 MB). Free memory was 103.5 MB in the beginning and 508.1 MB in the end (delta: -404.6 MB). Peak memory consumption was 575.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,810 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.71 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 175.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,811 INFO L168 Benchmark]: Boogie Preprocessor took 88.23 ms. Allocated memory is still 205.0 MB. Free memory was 175.5 MB in the beginning and 171.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,812 INFO L168 Benchmark]: RCFGBuilder took 1132.10 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 171.6 MB in the beginning and 197.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,813 INFO L168 Benchmark]: TraceAbstraction took 31923.82 ms. Allocated memory was 233.3 MB in the beginning and 715.1 MB in the end (delta: 481.8 MB). Free memory was 197.5 MB in the beginning and 508.1 MB in the end (delta: -310.6 MB). Peak memory consumption was 584.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:02:52,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.71 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 175.5 MB in the end (delta: -72.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.23 ms. Allocated memory is still 205.0 MB. Free memory was 175.5 MB in the beginning and 171.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.10 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 171.6 MB in the beginning and 197.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31923.82 ms. Allocated memory was 233.3 MB in the beginning and 715.1 MB in the end (delta: 481.8 MB). Free memory was 197.5 MB in the beginning and 508.1 MB in the end (delta: -310.6 MB). Peak memory consumption was 584.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || splverifierCounter <= 0) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 362 SDslu, 194 SDs, 0 SdLazy, 616 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 80 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 139 PreInvPairs, 157 NumberOfFragments, 557 HoareAnnotationTreeSize, 139 FomulaSimplifications, 16010 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 42 FomulaSimplificationsInter, 4612 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 58771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...