/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:23,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:23,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:23,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:23,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:23,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:23,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:23,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:23,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:23,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:23,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:23,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:23,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:23,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:23,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:23,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:23,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:23,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:23,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:23,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:23,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:23,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:23,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:23,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:23,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:23,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:23,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:23,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:23,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:23,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:23,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:23,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:23,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:23,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:23,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:23,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:23,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:23,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:23,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:23,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:23,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:23,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:25:23,842 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:23,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:23,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:23,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:23,844 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:23,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:23,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:23,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:23,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:23,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:23,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:23,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:23,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:23,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:23,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:23,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:23,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:23,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:23,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:23,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:23,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:23,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:23,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:23,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:23,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:23,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:23,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:23,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:23,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:23,849 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:25:24,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:24,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:24,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:24,136 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:24,136 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:24,137 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-07-20 16:25:24,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7efc4ef/a20a17fff20344768a7bf152d805f240/FLAG2ca544b89 [2020-07-20 16:25:24,637 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:24,637 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2020-07-20 16:25:24,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7efc4ef/a20a17fff20344768a7bf152d805f240/FLAG2ca544b89 [2020-07-20 16:25:25,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d7efc4ef/a20a17fff20344768a7bf152d805f240 [2020-07-20 16:25:25,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:25,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:25,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:25,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:25,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:25,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6960a08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25, skipping insertion in model container [2020-07-20 16:25:25,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:25,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:25,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:25,536 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:25,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:25,696 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:25,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25 WrapperNode [2020-07-20 16:25:25,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:25,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:25,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:25,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:25,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... [2020-07-20 16:25:25,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:25,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:25,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:25,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:25,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 16:25:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:25,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:25,867 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:25:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:25,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:27,017 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:27,018 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:27 BoogieIcfgContainer [2020-07-20 16:25:27,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:27,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:27,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:27,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:27,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:25" (1/3) ... [2020-07-20 16:25:27,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5eba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:27, skipping insertion in model container [2020-07-20 16:25:27,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:25" (2/3) ... [2020-07-20 16:25:27,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5eba69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:27, skipping insertion in model container [2020-07-20 16:25:27,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:27" (3/3) ... [2020-07-20 16:25:27,031 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2020-07-20 16:25:27,041 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:27,048 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:27,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:27,085 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:27,085 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:27,086 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:27,086 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:27,086 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:27,086 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:27,086 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:27,087 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 16:25:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:27,117 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:27,118 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] [2020-07-20 16:25:27,119 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:27,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1091923628, now seen corresponding path program 1 times [2020-07-20 16:25:27,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:27,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915943155] [2020-07-20 16:25:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:27,592 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:27,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:27,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:27,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:27,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915943155] [2020-07-20 16:25:27,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:27,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:27,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024994521] [2020-07-20 16:25:27,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:27,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:27,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:27,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:27,673 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 16:25:27,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:27,735 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2020-07-20 16:25:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:27,738 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:27,756 INFO L225 Difference]: With dead ends: 268 [2020-07-20 16:25:27,756 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 16:25:27,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 16:25:27,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 16:25:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 16:25:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-07-20 16:25:27,853 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-07-20 16:25:27,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:27,854 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-07-20 16:25:27,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-07-20 16:25:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:27,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:27,864 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] [2020-07-20 16:25:28,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:28,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash 644500822, now seen corresponding path program 1 times [2020-07-20 16:25:28,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:28,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362851804] [2020-07-20 16:25:28,079 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:28,503 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:28,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:28,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:28,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:28,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:28,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362851804] [2020-07-20 16:25:28,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:28,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:28,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996354135] [2020-07-20 16:25:28,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:28,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:28,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:28,552 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2020-07-20 16:25:28,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:28,573 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2020-07-20 16:25:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:28,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:28,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:28,576 INFO L225 Difference]: With dead ends: 211 [2020-07-20 16:25:28,576 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:25:28,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:28,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:25:28,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:25:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:25:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-07-20 16:25:28,589 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-07-20 16:25:28,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:28,590 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-07-20 16:25:28,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:28,590 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-07-20 16:25:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:25:28,592 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:28,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:28,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:28,806 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash -350015351, now seen corresponding path program 1 times [2020-07-20 16:25:28,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:28,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246540558] [2020-07-20 16:25:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:29,170 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:29,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:29,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:29,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:29,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:29,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:29,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246540558] [2020-07-20 16:25:29,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:29,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:29,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608100486] [2020-07-20 16:25:29,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:29,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:29,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:29,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:29,234 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 6 states. [2020-07-20 16:25:29,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:29,552 INFO L93 Difference]: Finished difference Result 316 states and 392 transitions. [2020-07-20 16:25:29,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:29,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-20 16:25:29,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:29,557 INFO L225 Difference]: With dead ends: 316 [2020-07-20 16:25:29,557 INFO L226 Difference]: Without dead ends: 215 [2020-07-20 16:25:29,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:25:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-07-20 16:25:29,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-07-20 16:25:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-07-20 16:25:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 264 transitions. [2020-07-20 16:25:29,582 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 264 transitions. Word has length 51 [2020-07-20 16:25:29,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:29,583 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 264 transitions. [2020-07-20 16:25:29,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 264 transitions. [2020-07-20 16:25:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 16:25:29,585 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:29,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:29,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:29,799 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:29,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:29,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2019322895, now seen corresponding path program 1 times [2020-07-20 16:25:29,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:29,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054023626] [2020-07-20 16:25:29,800 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,167 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:30,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:30,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-20 16:25:30,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:30,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:30,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:30,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054023626] [2020-07-20 16:25:30,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:30,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:30,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124021096] [2020-07-20 16:25:30,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:30,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:30,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:30,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:30,220 INFO L87 Difference]: Start difference. First operand 215 states and 264 transitions. Second operand 3 states. [2020-07-20 16:25:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:30,284 INFO L93 Difference]: Finished difference Result 481 states and 628 transitions. [2020-07-20 16:25:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:30,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-20 16:25:30,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:30,293 INFO L225 Difference]: With dead ends: 481 [2020-07-20 16:25:30,293 INFO L226 Difference]: Without dead ends: 290 [2020-07-20 16:25:30,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:30,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-20 16:25:30,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2020-07-20 16:25:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-07-20 16:25:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 362 transitions. [2020-07-20 16:25:30,337 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 362 transitions. Word has length 55 [2020-07-20 16:25:30,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:30,337 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 362 transitions. [2020-07-20 16:25:30,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 362 transitions. [2020-07-20 16:25:30,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 16:25:30,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:30,346 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:30,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,547 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:30,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1380492730, now seen corresponding path program 1 times [2020-07-20 16:25:30,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:30,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104445299] [2020-07-20 16:25:30,549 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:30,929 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:30,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:30,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:30,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:31,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:31,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104445299] [2020-07-20 16:25:31,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:31,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:31,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218262236] [2020-07-20 16:25:31,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:31,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:31,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:31,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:31,007 INFO L87 Difference]: Start difference. First operand 287 states and 362 transitions. Second operand 6 states. [2020-07-20 16:25:31,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:31,064 INFO L93 Difference]: Finished difference Result 560 states and 730 transitions. [2020-07-20 16:25:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:31,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-07-20 16:25:31,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:31,073 INFO L225 Difference]: With dead ends: 560 [2020-07-20 16:25:31,074 INFO L226 Difference]: Without dead ends: 297 [2020-07-20 16:25:31,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:31,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-20 16:25:31,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2020-07-20 16:25:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-07-20 16:25:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2020-07-20 16:25:31,118 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 106 [2020-07-20 16:25:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:31,118 INFO L479 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2020-07-20 16:25:31,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2020-07-20 16:25:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 16:25:31,122 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:31,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:31,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,337 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:31,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:31,338 INFO L82 PathProgramCache]: Analyzing trace with hash -119575480, now seen corresponding path program 1 times [2020-07-20 16:25:31,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:31,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298401768] [2020-07-20 16:25:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,514 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:25:31,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:31,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:25:31,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:31,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:31,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298401768] [2020-07-20 16:25:31,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:31,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:25:31,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445063682] [2020-07-20 16:25:31,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:25:31,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:31,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:25:31,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:31,554 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand 5 states. [2020-07-20 16:25:31,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:31,578 INFO L93 Difference]: Finished difference Result 568 states and 741 transitions. [2020-07-20 16:25:31,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:25:31,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2020-07-20 16:25:31,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:31,583 INFO L225 Difference]: With dead ends: 568 [2020-07-20 16:25:31,583 INFO L226 Difference]: Without dead ends: 295 [2020-07-20 16:25:31,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:31,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-07-20 16:25:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2020-07-20 16:25:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-07-20 16:25:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 366 transitions. [2020-07-20 16:25:31,603 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 366 transitions. Word has length 106 [2020-07-20 16:25:31,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:31,603 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 366 transitions. [2020-07-20 16:25:31,603 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:25:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 366 transitions. [2020-07-20 16:25:31,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-20 16:25:31,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:31,605 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:31,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:31,821 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:31,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:31,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1286271799, now seen corresponding path program 1 times [2020-07-20 16:25:31,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:31,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34858151] [2020-07-20 16:25:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:25:32,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:32,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:25:32,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:32,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:32,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34858151] [2020-07-20 16:25:32,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:32,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:32,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117807822] [2020-07-20 16:25:32,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:32,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:32,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:32,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:32,221 INFO L87 Difference]: Start difference. First operand 295 states and 366 transitions. Second operand 6 states. [2020-07-20 16:25:33,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,134 INFO L93 Difference]: Finished difference Result 812 states and 1075 transitions. [2020-07-20 16:25:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:33,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2020-07-20 16:25:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,141 INFO L225 Difference]: With dead ends: 812 [2020-07-20 16:25:33,142 INFO L226 Difference]: Without dead ends: 541 [2020-07-20 16:25:33,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:33,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-07-20 16:25:33,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 525. [2020-07-20 16:25:33,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-07-20 16:25:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 662 transitions. [2020-07-20 16:25:33,175 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 662 transitions. Word has length 106 [2020-07-20 16:25:33,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,176 INFO L479 AbstractCegarLoop]: Abstraction has 525 states and 662 transitions. [2020-07-20 16:25:33,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 662 transitions. [2020-07-20 16:25:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-20 16:25:33,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,178 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:33,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,392 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1900378813, now seen corresponding path program 1 times [2020-07-20 16:25:33,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351377090] [2020-07-20 16:25:33,394 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,780 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:33,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:33,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:33,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:25:33,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:33,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351377090] [2020-07-20 16:25:33,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:33,825 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:33,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483625978] [2020-07-20 16:25:33,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:33,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:33,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:33,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,827 INFO L87 Difference]: Start difference. First operand 525 states and 662 transitions. Second operand 3 states. [2020-07-20 16:25:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,873 INFO L93 Difference]: Finished difference Result 1499 states and 1922 transitions. [2020-07-20 16:25:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:33,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-20 16:25:33,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,881 INFO L225 Difference]: With dead ends: 1499 [2020-07-20 16:25:33,881 INFO L226 Difference]: Without dead ends: 998 [2020-07-20 16:25:33,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2020-07-20 16:25:33,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 974. [2020-07-20 16:25:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2020-07-20 16:25:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1235 transitions. [2020-07-20 16:25:33,953 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1235 transitions. Word has length 110 [2020-07-20 16:25:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,953 INFO L479 AbstractCegarLoop]: Abstraction has 974 states and 1235 transitions. [2020-07-20 16:25:33,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1235 transitions. [2020-07-20 16:25:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-07-20 16:25:33,960 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:34,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,174 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,174 INFO L82 PathProgramCache]: Analyzing trace with hash -638279823, now seen corresponding path program 1 times [2020-07-20 16:25:34,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188217511] [2020-07-20 16:25:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,590 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:34,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:34,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188217511] [2020-07-20 16:25:34,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:34,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250044797] [2020-07-20 16:25:34,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:34,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:34,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,630 INFO L87 Difference]: Start difference. First operand 974 states and 1235 transitions. Second operand 3 states. [2020-07-20 16:25:34,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,724 INFO L93 Difference]: Finished difference Result 1194 states and 1510 transitions. [2020-07-20 16:25:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:34,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-07-20 16:25:34,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,729 INFO L225 Difference]: With dead ends: 1194 [2020-07-20 16:25:34,729 INFO L226 Difference]: Without dead ends: 569 [2020-07-20 16:25:34,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-07-20 16:25:34,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 558. [2020-07-20 16:25:34,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-07-20 16:25:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 691 transitions. [2020-07-20 16:25:34,762 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 691 transitions. Word has length 116 [2020-07-20 16:25:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,763 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 691 transitions. [2020-07-20 16:25:34,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 691 transitions. [2020-07-20 16:25:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 16:25:34,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,766 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:34,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,979 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,979 INFO L82 PathProgramCache]: Analyzing trace with hash -2030061671, now seen corresponding path program 1 times [2020-07-20 16:25:34,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517414092] [2020-07-20 16:25:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,380 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:35,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:35,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:35,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:35,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:25:35,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517414092] [2020-07-20 16:25:35,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:35,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 16:25:35,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086737253] [2020-07-20 16:25:35,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:25:35,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:25:35,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:25:35,852 INFO L87 Difference]: Start difference. First operand 558 states and 691 transitions. Second operand 12 states. [2020-07-20 16:25:37,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:37,411 INFO L93 Difference]: Finished difference Result 1567 states and 2108 transitions. [2020-07-20 16:25:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:25:37,411 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 132 [2020-07-20 16:25:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:37,417 INFO L225 Difference]: With dead ends: 1567 [2020-07-20 16:25:37,417 INFO L226 Difference]: Without dead ends: 879 [2020-07-20 16:25:37,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 252 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:25:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-07-20 16:25:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 722. [2020-07-20 16:25:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-07-20 16:25:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 895 transitions. [2020-07-20 16:25:37,467 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 895 transitions. Word has length 132 [2020-07-20 16:25:37,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:37,468 INFO L479 AbstractCegarLoop]: Abstraction has 722 states and 895 transitions. [2020-07-20 16:25:37,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:25:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 895 transitions. [2020-07-20 16:25:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 16:25:37,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:37,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:37,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:37,687 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:37,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:37,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1653717520, now seen corresponding path program 1 times [2020-07-20 16:25:37,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:37,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542999979] [2020-07-20 16:25:37,689 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,010 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:38,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:38,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:25:38,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:38,110 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:38,111 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:25:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 16:25:38,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:38,514 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:38,577 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:38,577 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:38,634 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:38,634 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:38,653 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:38,653 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:38,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 47 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 16:25:38,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542999979] [2020-07-20 16:25:38,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:38,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 16:25:38,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425543414] [2020-07-20 16:25:38,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:25:38,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:25:38,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:25:38,928 INFO L87 Difference]: Start difference. First operand 722 states and 895 transitions. Second operand 16 states. [2020-07-20 16:25:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:41,209 INFO L93 Difference]: Finished difference Result 2072 states and 2814 transitions. [2020-07-20 16:25:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 16:25:41,210 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 185 [2020-07-20 16:25:41,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:41,221 INFO L225 Difference]: With dead ends: 2072 [2020-07-20 16:25:41,221 INFO L226 Difference]: Without dead ends: 1431 [2020-07-20 16:25:41,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 16:25:41,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-07-20 16:25:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1143. [2020-07-20 16:25:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-07-20 16:25:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1412 transitions. [2020-07-20 16:25:41,331 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1412 transitions. Word has length 185 [2020-07-20 16:25:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:41,332 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1412 transitions. [2020-07-20 16:25:41,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:25:41,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1412 transitions. [2020-07-20 16:25:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 16:25:41,339 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:41,340 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:41,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:41,555 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:41,555 INFO L82 PathProgramCache]: Analyzing trace with hash 595879442, now seen corresponding path program 1 times [2020-07-20 16:25:41,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:41,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194247625] [2020-07-20 16:25:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:41,984 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:41,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:41,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:25:41,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 16:25:42,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:42,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194247625] [2020-07-20 16:25:42,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:42,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:42,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382164822] [2020-07-20 16:25:42,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:42,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:42,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:42,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:42,051 INFO L87 Difference]: Start difference. First operand 1143 states and 1412 transitions. Second operand 6 states. [2020-07-20 16:25:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:42,099 INFO L93 Difference]: Finished difference Result 1458 states and 1783 transitions. [2020-07-20 16:25:42,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:42,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2020-07-20 16:25:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:42,101 INFO L225 Difference]: With dead ends: 1458 [2020-07-20 16:25:42,101 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:42,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:25:42,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:42,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:42,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:42,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-07-20 16:25:42,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:42,106 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:42,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:42,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:42,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:42,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:43,913 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-20 16:25:44,356 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2020-07-20 16:25:44,934 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-07-20 16:25:45,452 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-07-20 16:25:45,612 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2020-07-20 16:25:45,752 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2020-07-20 16:25:46,202 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-07-20 16:25:46,324 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-07-20 16:25:46,584 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2020-07-20 16:25:46,820 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-07-20 16:25:46,859 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 659 714) no Hoare annotation was computed. [2020-07-20 16:25:46,859 INFO L268 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2020-07-20 16:25:46,859 INFO L268 CegarLoopResult]: For program point L690-1(lines 690 694) no Hoare annotation was computed. [2020-07-20 16:25:46,859 INFO L268 CegarLoopResult]: For program point L685(line 685) no Hoare annotation was computed. [2020-07-20 16:25:46,859 INFO L268 CegarLoopResult]: For program point L684-2(lines 684 705) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 659 714) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 659 714) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point L706(lines 683 707) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point L767(lines 740 768) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 16:25:46,860 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 715 774) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 715 774) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point L747-1(lines 747 751) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 715 774) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-07-20 16:25:46,861 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 766) no Hoare annotation was computed. [2020-07-20 16:25:46,862 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 299 305) the Hoare annotation is: true [2020-07-20 16:25:46,862 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 299 305) no Hoare annotation was computed. [2020-07-20 16:25:46,862 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 306 314) no Hoare annotation was computed. [2020-07-20 16:25:46,862 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 306 314) the Hoare annotation is: true [2020-07-20 16:25:46,862 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 306 314) no Hoare annotation was computed. [2020-07-20 16:25:46,862 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:46,862 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 16:25:46,862 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 147 171) the Hoare annotation is: true [2020-07-20 16:25:46,863 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L155(lines 155 168) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 171) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L271 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: true [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 147 171) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:25:46,863 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 16:25:46,864 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,864 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,864 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,864 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:25:46,864 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,865 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 16:25:46,865 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 515 529) no Hoare annotation was computed. [2020-07-20 16:25:46,866 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 16:25:46,866 INFO L268 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 515 529) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 515 529) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 432 440) the Hoare annotation is: true [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 432 440) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 496 514) the Hoare annotation is: true [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L271 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: true [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point L503-1(line 503) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 496 514) no Hoare annotation was computed. [2020-07-20 16:25:46,867 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 496 514) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L448(lines 448 456) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 456) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L471-1(line 471) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 441 476) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L460(lines 460 468) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 468) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 441 476) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 441 476) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 292 298) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 292 298) the Hoare annotation is: true [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 613 658) no Hoare annotation was computed. [2020-07-20 16:25:46,868 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 613 658) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 613 658) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-20 16:25:46,869 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,869 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 421 431) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 421 431) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 421 431) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 413 420) the Hoare annotation is: true [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 413 420) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 257 270) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-20 16:25:46,870 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 257 270) the Hoare annotation is: true [2020-07-20 16:25:46,870 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 257 270) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L268 CegarLoopResult]: For program point L384(lines 384 401) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 380 404) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:46,871 INFO L264 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:46,871 INFO L268 CegarLoopResult]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:46,871 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~3)))) [2020-07-20 16:25:46,871 INFO L268 CegarLoopResult]: For program point L388(lines 388 396) no Hoare annotation was computed. [2020-07-20 16:25:46,871 INFO L264 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:46,872 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2020-07-20 16:25:46,872 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2020-07-20 16:25:46,872 INFO L264 CegarLoopResult]: At program point testENTRY(lines 531 596) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,872 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-20 16:25:46,872 INFO L268 CegarLoopResult]: For program point testFINAL(lines 531 596) no Hoare annotation was computed. [2020-07-20 16:25:46,872 INFO L264 CegarLoopResult]: At program point L589(lines 540 590) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:46,872 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse1 .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 16:25:46,872 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 16:25:46,872 INFO L264 CegarLoopResult]: At program point L577-1(lines 571 584) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:46,872 INFO L268 CegarLoopResult]: For program point L542(lines 541 588) no Hoare annotation was computed. [2020-07-20 16:25:46,873 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-20 16:25:46,873 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:46,873 INFO L268 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-07-20 16:25:46,873 INFO L268 CegarLoopResult]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2020-07-20 16:25:46,873 INFO L264 CegarLoopResult]: At program point L586(lines 541 588) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:46,873 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 557) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point testEXIT(lines 531 596) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point L894(lines 894 914) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point L894-1(lines 894 914) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 880 925) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 880 925) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 880 925) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-20 16:25:46,874 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 271 279) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 271 279) the Hoare annotation is: true [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 271 279) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point L233(lines 233 241) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 225 247) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point L233-2(lines 233 241) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 225 247) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 225 247) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 282 291) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 282 291) no Hoare annotation was computed. [2020-07-20 16:25:46,875 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 282 291) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L865(lines 865 876) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 777 879) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L828(lines 828 832) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 846) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L847(lines 825 848) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L806(lines 806 822) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 777 879) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-20 16:25:46,876 INFO L268 CegarLoopResult]: For program point L827(lines 826 846) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point L858-1(line 858) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point L823(lines 823 864) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 777 879) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,877 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:25:46,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 405 412) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 405 412) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 405 412) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:46,878 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 248 256) the Hoare annotation is: true [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 248 256) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 248 256) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 477 495) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2020-07-20 16:25:46,878 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 477 495) the Hoare annotation is: true [2020-07-20 16:25:46,878 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 477 495) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L271 CegarLoopResult]: At program point L484(line 484) the Hoare annotation is: true [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point L484-1(line 484) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point L208-1(lines 204 215) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 204 215) the Hoare annotation is: true [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 204 215) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,879 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,880 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 322 345) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1)))) [2020-07-20 16:25:46,880 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-20 16:25:46,880 INFO L264 CegarLoopResult]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7))))) [2020-07-20 16:25:46,880 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 322 345) no Hoare annotation was computed. [2020-07-20 16:25:46,880 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 322 345) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point L326(lines 325 344) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 16:25:46,881 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 16:25:46,881 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 16:25:46,881 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 216 224) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 216 224) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 216 224) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 180 191) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 180 191) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point L184-1(lines 180 191) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 16:25:46,882 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 16:25:46,882 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,883 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:25:46,883 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:46,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:46,883 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:46,883 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2020-07-20 16:25:46,883 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:46,883 INFO L268 CegarLoopResult]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2020-07-20 16:25:46,884 INFO L264 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:46,884 INFO L264 CegarLoopResult]: At program point L364(line 364) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:46,884 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-20 16:25:46,884 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:46,884 INFO L268 CegarLoopResult]: For program point L360-1(line 360) no Hoare annotation was computed. [2020-07-20 16:25:46,884 INFO L268 CegarLoopResult]: For program point L358(lines 358 375) no Hoare annotation was computed. [2020-07-20 16:25:46,884 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 192 203) no Hoare annotation was computed. [2020-07-20 16:25:46,884 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 192 203) the Hoare annotation is: (let ((.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5) .cse6 .cse7) (or .cse8 .cse6 .cse1 .cse2) (or .cse3 .cse8 (and (<= 1 ~waterLevel~0) .cse4) .cse6 .cse7)))) [2020-07-20 16:25:46,885 INFO L268 CegarLoopResult]: For program point L196-1(lines 192 203) no Hoare annotation was computed. [2020-07-20 16:25:46,885 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2020-07-20 16:25:46,885 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2020-07-20 16:25:46,885 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2020-07-20 16:25:46,885 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2020-07-20 16:25:46,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:46 BoogieIcfgContainer [2020-07-20 16:25:46,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:46,903 INFO L168 Benchmark]: Toolchain (without parser) took 21882.75 ms. Allocated memory was 140.0 MB in the beginning and 400.0 MB in the end (delta: 260.0 MB). Free memory was 102.7 MB in the beginning and 268.7 MB in the end (delta: -166.0 MB). Peak memory consumption was 269.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,904 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.62 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.3 MB in the beginning and 176.2 MB in the end (delta: -73.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,905 INFO L168 Benchmark]: Boogie Preprocessor took 91.59 ms. Allocated memory is still 207.1 MB. Free memory was 176.2 MB in the beginning and 172.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,906 INFO L168 Benchmark]: RCFGBuilder took 1233.88 ms. Allocated memory was 207.1 MB in the beginning and 234.9 MB in the end (delta: 27.8 MB). Free memory was 172.2 MB in the beginning and 193.5 MB in the end (delta: -21.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,907 INFO L168 Benchmark]: TraceAbstraction took 19877.50 ms. Allocated memory was 234.9 MB in the beginning and 400.0 MB in the end (delta: 165.2 MB). Free memory was 193.5 MB in the beginning and 268.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 265.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:46,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.62 ms. Allocated memory was 140.0 MB in the beginning and 207.1 MB in the end (delta: 67.1 MB). Free memory was 102.3 MB in the beginning and 176.2 MB in the end (delta: -73.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.59 ms. Allocated memory is still 207.1 MB. Free memory was 176.2 MB in the beginning and 172.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.88 ms. Allocated memory was 207.1 MB in the beginning and 234.9 MB in the end (delta: 27.8 MB). Free memory was 172.2 MB in the beginning and 193.5 MB in the end (delta: -21.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19877.50 ms. Allocated memory was 234.9 MB in the beginning and 400.0 MB in the end (delta: 165.2 MB). Free memory was 193.5 MB in the beginning and 268.7 MB in the end (delta: -75.2 MB). Peak memory consumption was 265.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 540]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2056 SDtfs, 1568 SDslu, 3381 SDs, 0 SdLazy, 3097 SolverSat, 879 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1590 GetRequests, 1508 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1143occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 499 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2210 PreInvPairs, 2323 NumberOfFragments, 1333 HoareAnnotationTreeSize, 2210 FomulaSimplifications, 4852 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7276 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1245 NumberOfCodeBlocks, 938 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1548 ConstructedInterpolants, 0 QuantifiedInterpolants, 354070 SizeOfPredicates, 44 NumberOfNonLiveVariables, 8494 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 382/434 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...