/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:12,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:12,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:12,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:12,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:12,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:12,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:12,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:12,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:12,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:12,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:12,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:12,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:12,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:12,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:12,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:12,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:12,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:12,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:12,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:12,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:12,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:12,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:12,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:12,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:12,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:12,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:12,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:12,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:12,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:12,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:12,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:12,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:12,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:12,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:12,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:12,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:12,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:12,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:12,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:12,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:12,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:13:12,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:12,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:12,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:12,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:12,657 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:12,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:12,658 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:12,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:12,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:12,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:12,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:12,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:12,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:12,660 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:12,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:12,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:12,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:12,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:12,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:12,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:12,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:12,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:12,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:12,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:12,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:12,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:12,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:12,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:12,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:12,664 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:13:13,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:13,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:13,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:13,137 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:13,138 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:13,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 12:13:13,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0efc6bf47/ea1d14f46137423bbfd66e797a3eaf63/FLAG1e798e80a [2020-09-21 12:13:13,840 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:13,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2020-09-21 12:13:13,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0efc6bf47/ea1d14f46137423bbfd66e797a3eaf63/FLAG1e798e80a [2020-09-21 12:13:14,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0efc6bf47/ea1d14f46137423bbfd66e797a3eaf63 [2020-09-21 12:13:14,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:14,137 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:14,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:14,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:14,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:14,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14, skipping insertion in model container [2020-09-21 12:13:14,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:14,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:14,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:14,599 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:14,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:14,827 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:14,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14 WrapperNode [2020-09-21 12:13:14,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:14,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:14,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:14,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:14,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... [2020-09-21 12:13:14,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:14,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:14,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:14,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:14,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:15,021 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:15,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:16,093 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:16,094 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:16,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:16 BoogieIcfgContainer [2020-09-21 12:13:16,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:16,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:16,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:16,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:16,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:14" (1/3) ... [2020-09-21 12:13:16,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eadf735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:16, skipping insertion in model container [2020-09-21 12:13:16,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:14" (2/3) ... [2020-09-21 12:13:16,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eadf735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:16, skipping insertion in model container [2020-09-21 12:13:16,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:16" (3/3) ... [2020-09-21 12:13:16,109 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2020-09-21 12:13:16,120 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:16,131 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:16,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:16,182 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:16,182 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:16,182 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:16,182 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:16,182 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:16,182 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:16,183 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:16,183 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:16,209 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-09-21 12:13:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:16,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:16,221 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] [2020-09-21 12:13:16,222 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:16,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:16,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1757322053, now seen corresponding path program 1 times [2020-09-21 12:13:16,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:16,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37057124] [2020-09-21 12:13:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:16,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:16,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:18,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:18,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1534 [2020-09-21 12:13:18,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:18,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:18,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-21 12:13:18,729 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:18,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:18,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:18,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:18,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-21 12:13:18,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:13:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:18,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:18,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:18,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:18,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:18,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:18,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:18,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:18,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:18,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:13:19,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:19,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:19,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:19,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:19,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:13:19,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:19,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:19,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:19,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:19,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:19,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:13:19,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:19,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:19,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:19,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37057124] [2020-09-21 12:13:19,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:19,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:19,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056656142] [2020-09-21 12:13:19,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:19,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:19,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:19,142 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-09-21 12:13:20,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:20,204 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-09-21 12:13:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:20,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:20,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:20,225 INFO L225 Difference]: With dead ends: 199 [2020-09-21 12:13:20,225 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:13:20,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:20,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:13:20,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 12:13:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:13:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-09-21 12:13:20,321 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-09-21 12:13:20,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:20,322 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-09-21 12:13:20,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-09-21 12:13:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:20,326 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:20,326 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] [2020-09-21 12:13:20,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:20,327 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:20,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:20,327 INFO L82 PathProgramCache]: Analyzing trace with hash -745095734, now seen corresponding path program 1 times [2020-09-21 12:13:20,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:20,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88746626] [2020-09-21 12:13:20,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:20,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:21,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:13:21,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:21,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-21 12:13:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,762 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:21,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-21 12:13:21,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:21,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:21,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:21,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:21,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:21,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:21,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:21,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:21,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:21,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:21,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:21,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:21,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:21,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:21,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:21,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:21,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:21,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:21,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:21,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:21,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:21,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:21,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:21,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:21,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88746626] [2020-09-21 12:13:21,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:21,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:21,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154512321] [2020-09-21 12:13:21,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:21,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:21,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:21,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:21,984 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2020-09-21 12:13:22,334 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:22,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:22,907 INFO L93 Difference]: Finished difference Result 166 states and 214 transitions. [2020-09-21 12:13:22,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:22,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:22,911 INFO L225 Difference]: With dead ends: 166 [2020-09-21 12:13:22,911 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:13:22,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:13:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-09-21 12:13:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 12:13:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2020-09-21 12:13:22,952 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 47 [2020-09-21 12:13:22,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:22,953 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2020-09-21 12:13:22,953 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2020-09-21 12:13:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-21 12:13:22,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:22,956 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] [2020-09-21 12:13:22,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:22,956 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:22,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1009859903, now seen corresponding path program 1 times [2020-09-21 12:13:22,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:22,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457076380] [2020-09-21 12:13:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-09-21 12:13:24,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:24,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:13:24,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:24,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,303 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:24,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:24,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:24,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:24,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:24,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:24,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:24,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:24,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-21 12:13:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:24,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:24,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 12:13:24,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:24,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:13:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:24,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:13:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:24,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:24,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:24,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457076380] [2020-09-21 12:13:24,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:24,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:24,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894861458] [2020-09-21 12:13:24,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:24,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:24,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:24,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:24,451 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand 4 states. [2020-09-21 12:13:24,981 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:25,406 INFO L93 Difference]: Finished difference Result 132 states and 158 transitions. [2020-09-21 12:13:25,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:25,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-09-21 12:13:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:25,409 INFO L225 Difference]: With dead ends: 132 [2020-09-21 12:13:25,409 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 12:13:25,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:25,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 12:13:25,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-09-21 12:13:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-21 12:13:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-09-21 12:13:25,442 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 50 [2020-09-21 12:13:25,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:25,442 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-09-21 12:13:25,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-09-21 12:13:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:13:25,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:25,444 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] [2020-09-21 12:13:25,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:25,445 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1773574869, now seen corresponding path program 1 times [2020-09-21 12:13:25,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:25,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748641868] [2020-09-21 12:13:25,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:13:26,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:26,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:13:26,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:13:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 12:13:26,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,791 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:26,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:26,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-21 12:13:26,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:26,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:26,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:26,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:26,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:26,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:26,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:26,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:26,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 12:13:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:26,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:26,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:26,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:26,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:13:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:26,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:26,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:26,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:26,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:26,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:27,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:27,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:27,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:13:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:27,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:27,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:27,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:27,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:27,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:27,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:27,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:27,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748641868] [2020-09-21 12:13:27,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:27,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:27,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561883921] [2020-09-21 12:13:27,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:27,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:27,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:27,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:27,034 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-09-21 12:13:27,506 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:28,338 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:28,697 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:29,017 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:29,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:29,121 INFO L93 Difference]: Finished difference Result 129 states and 157 transitions. [2020-09-21 12:13:29,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:13:29,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:13:29,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:29,123 INFO L225 Difference]: With dead ends: 129 [2020-09-21 12:13:29,124 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:29,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:13:29,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:29,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-09-21 12:13:29,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:29,127 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:29,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:29,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:29,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:29,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:29,349 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:29,540 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:13:29,700 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:29,874 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,035 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,196 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,358 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,526 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:13:30,682 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:30,838 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,000 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:13:31,148 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:31,304 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,455 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,607 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,762 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:31,924 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,075 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,245 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,396 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,698 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,846 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:32,994 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:33,389 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 12:13:33,775 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 12:13:33,927 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,076 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,229 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,381 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:34,533 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 10 [2020-09-21 12:13:34,922 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 12:13:35,334 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-21 12:13:35,562 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:35,808 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:36,012 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:36,228 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:36,464 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:36,686 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:37,020 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:37,229 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:13:37,483 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:37,706 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:13:37,927 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-09-21 12:13:38,145 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:13:38,350 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:13:38,621 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-09-21 12:13:38,625 INFO L268 CegarLoopResult]: For program point L573(lines 550 574) no Hoare annotation was computed. [2020-09-21 12:13:38,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2020-09-21 12:13:38,626 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L634(lines 607 635) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-09-21 12:13:38,627 INFO L268 CegarLoopResult]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2020-09-21 12:13:38,628 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-09-21 12:13:38,628 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-09-21 12:13:38,628 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-09-21 12:13:38,628 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-09-21 12:13:38,628 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-09-21 12:13:38,628 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2020-09-21 12:13:38,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2020-09-21 12:13:38,629 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,629 INFO L268 CegarLoopResult]: For program point L460(lines 460 466) no Hoare annotation was computed. [2020-09-21 12:13:38,629 INFO L271 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: true [2020-09-21 12:13:38,629 INFO L268 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-09-21 12:13:38,629 INFO L268 CegarLoopResult]: For program point L456(lines 456 469) no Hoare annotation was computed. [2020-09-21 12:13:38,629 INFO L268 CegarLoopResult]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2020-09-21 12:13:38,629 INFO L271 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: true [2020-09-21 12:13:38,630 INFO L268 CegarLoopResult]: For program point L454-1(line 454) no Hoare annotation was computed. [2020-09-21 12:13:38,630 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 164 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,630 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 164 186) no Hoare annotation was computed. [2020-09-21 12:13:38,630 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,630 INFO L264 CegarLoopResult]: At program point L176-1(line 176) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,631 INFO L268 CegarLoopResult]: For program point L174(lines 174 181) no Hoare annotation was computed. [2020-09-21 12:13:38,631 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 181) no Hoare annotation was computed. [2020-09-21 12:13:38,631 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 164 186) no Hoare annotation was computed. [2020-09-21 12:13:38,631 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 12:13:38,631 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,631 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,632 INFO L264 CegarLoopResult]: At program point L170-1(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-09-21 12:13:38,632 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-09-21 12:13:38,633 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 256 264) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 256 264) the Hoare annotation is: true [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 256 264) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point L284(lines 284 292) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point L284-2(lines 284 292) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point L272(lines 272 280) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 265 300) no Hoare annotation was computed. [2020-09-21 12:13:38,634 INFO L268 CegarLoopResult]: For program point L272-2(lines 272 280) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 265 300) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 265 300) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-09-21 12:13:38,635 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2020-09-21 12:13:38,636 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 154 163) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 154 163) no Hoare annotation was computed. [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 154 163) no Hoare annotation was computed. [2020-09-21 12:13:38,636 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 245 255) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 245 255) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-09-21 12:13:38,637 INFO L268 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 245 255) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 237 244) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 237 244) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 237 244) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 222 228) no Hoare annotation was computed. [2020-09-21 12:13:38,638 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 222 228) the Hoare annotation is: true [2020-09-21 12:13:38,638 INFO L268 CegarLoopResult]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2020-09-21 12:13:38,639 INFO L264 CegarLoopResult]: At program point testENTRY(lines 302 365) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,639 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-09-21 12:13:38,639 INFO L268 CegarLoopResult]: For program point testFINAL(lines 302 365) no Hoare annotation was computed. [2020-09-21 12:13:38,639 INFO L264 CegarLoopResult]: At program point L358(lines 311 359) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,639 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-09-21 12:13:38,639 INFO L264 CegarLoopResult]: At program point L348-2(lines 342 353) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,639 INFO L268 CegarLoopResult]: For program point L313(lines 312 357) no Hoare annotation was computed. [2020-09-21 12:13:38,639 INFO L268 CegarLoopResult]: For program point L342(lines 342 353) no Hoare annotation was computed. [2020-09-21 12:13:38,640 INFO L264 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,640 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-09-21 12:13:38,640 INFO L268 CegarLoopResult]: For program point L332-1(lines 332 338) no Hoare annotation was computed. [2020-09-21 12:13:38,640 INFO L264 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,640 INFO L264 CegarLoopResult]: At program point L355(lines 312 357) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,640 INFO L268 CegarLoopResult]: For program point testEXIT(lines 302 365) no Hoare annotation was computed. [2020-09-21 12:13:38,640 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point L767(lines 767 774) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point L761(lines 761 781) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-09-21 12:13:38,641 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 415 437) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 415 437) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 415 437) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point L673(lines 673 689) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2020-09-21 12:13:38,642 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L694(lines 693 713) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L690(lines 690 731) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L709-1(line 709) no Hoare annotation was computed. [2020-09-21 12:13:38,643 INFO L268 CegarLoopResult]: For program point L668(lines 668 672) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point L732(lines 732 743) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point L714(lines 692 715) no Hoare annotation was computed. [2020-09-21 12:13:38,644 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,645 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)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#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~string24.base| |old(#t~string24.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~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 229 236) no Hoare annotation was computed. [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point L398-1(lines 394 405) no Hoare annotation was computed. [2020-09-21 12:13:38,645 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 394 405) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:13:38,645 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 394 405) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 438 446) the Hoare annotation is: true [2020-09-21 12:13:38,646 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 438 446) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 438 446) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,646 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,646 INFO L264 CegarLoopResult]: At program point L209(lines 209 215) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,647 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 198 221) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,647 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,647 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 198 221) no Hoare annotation was computed. [2020-09-21 12:13:38,647 INFO L268 CegarLoopResult]: For program point L202(lines 201 220) no Hoare annotation was computed. [2020-09-21 12:13:38,647 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 198 221) no Hoare annotation was computed. [2020-09-21 12:13:38,647 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-09-21 12:13:38,647 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-09-21 12:13:38,647 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-09-21 12:13:38,648 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-09-21 12:13:38,648 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-09-21 12:13:38,648 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-09-21 12:13:38,648 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-09-21 12:13:38,648 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-09-21 12:13:38,648 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-09-21 12:13:38,648 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 406 414) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 406 414) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 406 414) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 370 381) the Hoare annotation is: true [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 370 381) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point L374-1(lines 370 381) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-09-21 12:13:38,649 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-09-21 12:13:38,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,650 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:13:38,650 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:13:38,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:38,650 INFO L268 CegarLoopResult]: For program point L386-1(lines 382 393) no Hoare annotation was computed. [2020-09-21 12:13:38,650 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 382 393) no Hoare annotation was computed. [2020-09-21 12:13:38,650 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 382 393) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:13:38,651 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:13:38,651 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 12:13:38,651 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 12:13:38,651 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 12:13:38,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:13:38 BoogieIcfgContainer [2020-09-21 12:13:38,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:13:38,672 INFO L168 Benchmark]: Toolchain (without parser) took 24538.45 ms. Allocated memory was 141.6 MB in the beginning and 509.1 MB in the end (delta: 367.5 MB). Free memory was 104.1 MB in the beginning and 418.0 MB in the end (delta: -313.9 MB). Peak memory consumption was 343.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:38,673 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:13:38,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.37 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 176.5 MB in the end (delta: -73.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:38,675 INFO L168 Benchmark]: Boogie Preprocessor took 96.55 ms. Allocated memory is still 205.5 MB. Free memory was 176.5 MB in the beginning and 172.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:38,676 INFO L168 Benchmark]: RCFGBuilder took 1173.82 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 172.4 MB in the beginning and 201.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:38,676 INFO L168 Benchmark]: TraceAbstraction took 22569.10 ms. Allocated memory was 234.9 MB in the beginning and 509.1 MB in the end (delta: 274.2 MB). Free memory was 201.8 MB in the beginning and 418.0 MB in the end (delta: -216.2 MB). Peak memory consumption was 348.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:38,680 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.37 ms. Allocated memory was 141.6 MB in the beginning and 205.5 MB in the end (delta: 64.0 MB). Free memory was 103.4 MB in the beginning and 176.5 MB in the end (delta: -73.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.55 ms. Allocated memory is still 205.5 MB. Free memory was 176.5 MB in the beginning and 172.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.82 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 172.4 MB in the beginning and 201.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22569.10 ms. Allocated memory was 234.9 MB in the beginning and 509.1 MB in the end (delta: 274.2 MB). Free memory was 201.8 MB in the beginning and 418.0 MB in the end (delta: -216.2 MB). Peak memory consumption was 348.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || splverifierCounter <= 0) || !(pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 331 SDslu, 83 SDs, 0 SdLazy, 497 SolverSat, 172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 132 PreInvPairs, 148 NumberOfFragments, 472 HoareAnnotationTreeSize, 132 FomulaSimplifications, 7572 FormulaSimplificationTreeSizeReduction, 6.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 4407 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 50416 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...