/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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:19,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:19,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:19,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:19,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:19,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:19,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:19,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:19,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:19,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:19,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:19,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:19,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:19,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:19,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:19,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:19,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:19,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:19,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:19,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:19,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:19,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:19,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:19,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:19,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:19,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:19,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:19,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:19,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:19,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:19,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:19,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:19,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:19,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:19,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:19,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:19,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:19,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:19,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:19,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:19,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:19,876 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 12:13:19,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:19,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:19,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:19,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:19,921 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:19,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:19,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:19,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:19,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:19,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:19,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:19,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:19,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:19,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:19,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:19,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:19,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:19,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:19,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:19,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:19,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:19,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:19,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:19,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:19,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:19,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:19,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:19,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:19,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:19,926 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 12:13:20,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:20,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:20,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:20,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:20,451 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:20,453 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-21 12:13:20,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0069c9377/ab078ad7bdf04da59136bb848ce9a77e/FLAG03becc31b [2020-09-21 12:13:21,146 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:21,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-09-21 12:13:21,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0069c9377/ab078ad7bdf04da59136bb848ce9a77e/FLAG03becc31b [2020-09-21 12:13:21,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0069c9377/ab078ad7bdf04da59136bb848ce9a77e [2020-09-21 12:13:21,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:21,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:21,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:21,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:21,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:21,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:21" (1/1) ... [2020-09-21 12:13:21,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:21, skipping insertion in model container [2020-09-21 12:13:21,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:21" (1/1) ... [2020-09-21 12:13:21,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:21,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:22,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:22,069 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:22,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:22,288 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:22,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22 WrapperNode [2020-09-21 12:13:22,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:22,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:22,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:22,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:22,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (1/1) ... [2020-09-21 12:13:22,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:22,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:22,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:22,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:22,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (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 12:13:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:13:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:22,482 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:13:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:22,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:22,489 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:22,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:22,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:22,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:23,576 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:23,577 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:23,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:23 BoogieIcfgContainer [2020-09-21 12:13:23,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:23,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:23,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:23,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:23,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:21" (1/3) ... [2020-09-21 12:13:23,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b22a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:23, skipping insertion in model container [2020-09-21 12:13:23,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:22" (2/3) ... [2020-09-21 12:13:23,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b22a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:23, skipping insertion in model container [2020-09-21 12:13:23,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:23" (3/3) ... [2020-09-21 12:13:23,597 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-09-21 12:13:23,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:23,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:23,643 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:23,674 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:23,674 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:23,674 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:23,674 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:23,674 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:23,674 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:23,675 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:23,675 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-09-21 12:13:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:23,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:23,710 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 12:13:23,711 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:23,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:23,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1990004152, now seen corresponding path program 1 times [2020-09-21 12:13:23,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:23,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51707122] [2020-09-21 12:13:23,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:24,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:25,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:25,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:13:25,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:25,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:13:25,467 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-21 12:13:25,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:13:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:25,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:25,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:13:25,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:25,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:25,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:13:25,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:25,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:25,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:25,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:25,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:25,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:25,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:25,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:25,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:25,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:25,708 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 12:13:25,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51707122] [2020-09-21 12:13:25,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:25,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:25,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365783816] [2020-09-21 12:13:25,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:25,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:25,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:25,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:25,750 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2020-09-21 12:13:26,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:26,852 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-09-21 12:13:26,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:26,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:26,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:26,889 INFO L225 Difference]: With dead ends: 252 [2020-09-21 12:13:26,889 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 12:13:26,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:26,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 12:13:26,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-09-21 12:13:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-09-21 12:13:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-09-21 12:13:26,990 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-09-21 12:13:26,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:26,991 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-09-21 12:13:26,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-09-21 12:13:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:26,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:26,995 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 12:13:26,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:26,995 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:26,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:26,996 INFO L82 PathProgramCache]: Analyzing trace with hash 925385075, now seen corresponding path program 1 times [2020-09-21 12:13:26,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:26,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000378932] [2020-09-21 12:13:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:27,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:28,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1191 [2020-09-21 12:13:28,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:28,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:28,563 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:28,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 12:13:28,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:28,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:28,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:28,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:28,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:28,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:28,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:28,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:28,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:28,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:28,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:28,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:28,703 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 12:13:28,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000378932] [2020-09-21 12:13:28,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:28,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:28,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634937319] [2020-09-21 12:13:28,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:28,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:28,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:28,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:28,708 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-09-21 12:13:29,148 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:29,788 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-09-21 12:13:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:29,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:29,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:29,791 INFO L225 Difference]: With dead ends: 181 [2020-09-21 12:13:29,791 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 12:13:29,793 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 12:13:29,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 12:13:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-09-21 12:13:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 12:13:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-09-21 12:13:29,829 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-09-21 12:13:29,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:29,830 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-09-21 12:13:29,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-09-21 12:13:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:13:29,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:29,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:29,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:29,833 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:29,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1884487534, now seen corresponding path program 1 times [2020-09-21 12:13:29,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:29,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552776548] [2020-09-21 12:13:29,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:30,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:30,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:13:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:13:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:13:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:31,178 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:31,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:31,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-21 12:13:31,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:31,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:31,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:31,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:31,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:31,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:31,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:31,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:31,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:31,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:31,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:31,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:31,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:31,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:31,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:31,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:31,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:31,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:13:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:31,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:31,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:31,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:31,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:31,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:31,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:31,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:31,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:31,457 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 12:13:31,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552776548] [2020-09-21 12:13:31,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:31,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:31,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804658918] [2020-09-21 12:13:31,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:31,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:31,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:31,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:31,460 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 4 states. [2020-09-21 12:13:31,896 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:32,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:32,471 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-09-21 12:13:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:32,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:13:32,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:32,474 INFO L225 Difference]: With dead ends: 194 [2020-09-21 12:13:32,474 INFO L226 Difference]: Without dead ends: 121 [2020-09-21 12:13:32,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 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 12:13:32,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-21 12:13:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-09-21 12:13:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-09-21 12:13:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-09-21 12:13:32,506 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-09-21 12:13:32,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:32,507 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-09-21 12:13:32,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-09-21 12:13:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:13:32,509 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:32,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:32,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:32,509 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:32,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1119651887, now seen corresponding path program 1 times [2020-09-21 12:13:32,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:32,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031163629] [2020-09-21 12:13:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:32,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:33,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:33,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 12:13:33,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-09-21 12:13:33,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:13:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:13:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:13:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:33,947 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:33,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 12:13:34,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:34,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:34,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:34,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:13:34,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:34,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:13:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:13:34,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:34,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:13:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:34,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:34,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:13:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:34,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:34,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 12:13:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:34,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:34,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:13:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:34,135 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 12:13:34,136 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031163629] [2020-09-21 12:13:34,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:34,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:13:34,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370744408] [2020-09-21 12:13:34,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:13:34,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:34,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:13:34,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:13:34,138 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 8 states. [2020-09-21 12:13:34,619 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:35,684 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:36,047 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:13:36,370 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:13:36,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:36,508 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2020-09-21 12:13:36,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:13:36,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 12:13:36,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:36,510 INFO L225 Difference]: With dead ends: 164 [2020-09-21 12:13:36,510 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:36,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:13:36,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:36,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-09-21 12:13:36,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:36,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:36,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:13:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:36,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:36,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:36,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:36,710 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:36,900 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:13:37,067 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:37,236 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:37,402 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:37,579 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:37,741 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:37,890 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:38,052 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:38,218 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:38,380 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:38,543 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:38,701 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:38,863 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,045 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,205 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,362 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,517 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,676 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:39,928 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:40,176 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:40,340 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:40,493 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:40,649 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:40,806 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:13:40,980 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:41,138 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:41,294 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:41,449 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:41,603 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:41,758 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:13:41,916 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:42,073 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:13:42,236 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:13:42,398 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:42,646 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:42,890 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:13:43,046 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:13:43,265 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-09-21 12:13:43,470 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:43,691 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-21 12:13:43,957 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:44,183 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:44,405 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:13:44,641 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:44,892 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 14 [2020-09-21 12:13:45,120 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-09-21 12:13:45,378 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:13:45,590 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 14 [2020-09-21 12:13:45,821 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:46,045 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:46,256 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:46,488 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:46,869 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:13:47,111 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:13:47,132 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-09-21 12:13:47,132 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-09-21 12:13:47,133 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-09-21 12:13:47,134 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-09-21 12:13:47,135 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-09-21 12:13:47,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-09-21 12:13:47,135 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2020-09-21 12:13:47,135 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2020-09-21 12:13:47,135 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2020-09-21 12:13:47,135 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2020-09-21 12:13:47,135 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2020-09-21 12:13:47,136 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2020-09-21 12:13:47,136 INFO L271 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: true [2020-09-21 12:13:47,136 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-09-21 12:13:47,137 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:13:47,137 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 12:13:47,137 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,137 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,137 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,138 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,138 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:13:47,138 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 12:13:47,138 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,138 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,138 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 12:13:47,139 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 12:13:47,140 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L374(lines 374 382) no Hoare annotation was computed. [2020-09-21 12:13:47,141 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 382) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-09-21 12:13:47,142 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 12:13:47,143 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2020-09-21 12:13:47,144 INFO L271 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: true [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-09-21 12:13:47,144 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2020-09-21 12:13:47,144 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:13:47,144 INFO L268 CegarLoopResult]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2020-09-21 12:13:47,145 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2020-09-21 12:13:47,145 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:47,145 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:13:47,145 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:47,145 INFO L268 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-09-21 12:13:47,145 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:47,146 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-09-21 12:13:47,146 INFO L268 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-09-21 12:13:47,146 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2020-09-21 12:13:47,146 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2020-09-21 12:13:47,146 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-09-21 12:13:47,146 INFO L264 CegarLoopResult]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:13:47,146 INFO L264 CegarLoopResult]: At program point L448-2(lines 440 453) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,146 INFO L268 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2020-09-21 12:13:47,147 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,147 INFO L268 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-09-21 12:13:47,147 INFO L268 CegarLoopResult]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2020-09-21 12:13:47,147 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,147 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-09-21 12:13:47,147 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-09-21 12:13:47,147 INFO L264 CegarLoopResult]: At program point L455(lines 410 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,147 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,147 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L264 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-09-21 12:13:47,148 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-09-21 12:13:47,149 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2020-09-21 12:13:47,150 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,151 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~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#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)|) (= ~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~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.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~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#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~string22.base| |old(#t~string22.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~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#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~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 319 326) no Hoare annotation was computed. [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2020-09-21 12:13:47,151 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2020-09-21 12:13:47,152 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2020-09-21 12:13:47,152 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-09-21 12:13:47,152 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-09-21 12:13:47,152 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-09-21 12:13:47,152 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:13:47,152 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-09-21 12:13:47,152 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,153 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,153 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,153 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:13:47,153 INFO L264 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:13:47,153 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:13:47,153 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point L266(lines 265 284) no Hoare annotation was computed. [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 12:13:47,154 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 12:13:47,154 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 12:13:47,155 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 12:13:47,155 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 12:13:47,155 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 12:13:47,155 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 12:13:47,155 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 12:13:47,155 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 12:13:47,155 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-09-21 12:13:47,156 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 12:13:47,156 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 12:13:47,156 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,157 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:13:47,157 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:13:47,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:13:47,157 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-09-21 12:13:47,157 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,157 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-09-21 12:13:47,157 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-09-21 12:13:47,157 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-09-21 12:13:47,158 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:13:47,158 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2020-09-21 12:13:47,158 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-09-21 12:13:47,158 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2020-09-21 12:13:47,158 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2020-09-21 12:13:47,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:13:47 BoogieIcfgContainer [2020-09-21 12:13:47,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:13:47,180 INFO L168 Benchmark]: Toolchain (without parser) took 25731.61 ms. Allocated memory was 139.5 MB in the beginning and 538.4 MB in the end (delta: 399.0 MB). Free memory was 100.7 MB in the beginning and 474.7 MB in the end (delta: -374.0 MB). Peak memory consumption was 378.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:47,181 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:13:47,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.08 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:47,182 INFO L168 Benchmark]: Boogie Preprocessor took 99.60 ms. Allocated memory is still 201.3 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:47,183 INFO L168 Benchmark]: RCFGBuilder took 1196.30 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 202.3 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:47,184 INFO L168 Benchmark]: TraceAbstraction took 23590.03 ms. Allocated memory was 234.4 MB in the beginning and 538.4 MB in the end (delta: 304.1 MB). Free memory was 202.3 MB in the beginning and 474.7 MB in the end (delta: -272.4 MB). Peak memory consumption was 384.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:13:47,188 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 831.08 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 100.1 MB in the beginning and 171.4 MB in the end (delta: -71.3 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.60 ms. Allocated memory is still 201.3 MB. Free memory was 171.4 MB in the beginning and 167.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.30 ms. Allocated memory was 201.3 MB in the beginning and 234.4 MB in the end (delta: 33.0 MB). Free memory was 167.3 MB in the beginning and 202.3 MB in the end (delta: -35.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23590.03 ms. Allocated memory was 234.4 MB in the beginning and 538.4 MB in the end (delta: 304.1 MB). Free memory was 202.3 MB in the beginning and 474.7 MB in the end (delta: -272.4 MB). Peak memory consumption was 384.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 392 SDslu, 91 SDs, 0 SdLazy, 600 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred 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, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 170 PreInvPairs, 186 NumberOfFragments, 772 HoareAnnotationTreeSize, 170 FomulaSimplifications, 7417 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 5013 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 54106 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...