/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_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:52:31,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:52:31,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:52:31,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:52:31,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:52:31,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:52:31,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:52:31,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:52:31,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:52:31,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:52:31,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:52:31,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:52:31,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:52:31,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:52:31,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:52:31,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:52:31,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:52:31,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:52:31,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:52:31,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:52:31,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:52:31,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:52:31,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:52:31,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:52:31,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:52:31,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:52:31,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:52:31,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:52:31,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:52:31,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:52:31,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:52:31,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:52:31,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:52:31,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:52:31,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:52:31,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:52:31,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:52:31,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:52:31,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:52:31,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:52:31,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:52:31,755 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 [2020-07-21 12:52:31,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:52:31,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:52:31,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:52:31,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:52:31,775 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:52:31,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:52:31,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:52:31,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:52:31,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:52:31,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:52:31,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:52:31,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:52:31,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:52:31,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:52:31,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:52:31,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:52:31,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:52:31,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:52:31,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:52:31,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:52:31,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:52:31,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:31,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:52:31,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:52:31,782 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_FUNCTIONS 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 -> 2 [2020-07-21 12:52:32,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:52:32,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:52:32,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:52:32,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:52:32,051 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:52:32,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-21 12:52:32,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8977d1a2/87c6f406e6564185b1e44a74e5898625/FLAGadb96fa89 [2020-07-21 12:52:32,668 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:52:32,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-21 12:52:32,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8977d1a2/87c6f406e6564185b1e44a74e5898625/FLAGadb96fa89 [2020-07-21 12:52:32,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8977d1a2/87c6f406e6564185b1e44a74e5898625 [2020-07-21 12:52:32,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:52:32,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:52:32,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:32,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:52:32,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:52:32,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:32" (1/1) ... [2020-07-21 12:52:32,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6a3b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:32, skipping insertion in model container [2020-07-21 12:52:32,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:32" (1/1) ... [2020-07-21 12:52:33,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:52:33,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:52:33,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:33,578 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:52:33,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:33,688 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:52:33,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33 WrapperNode [2020-07-21 12:52:33,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:33,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:52:33,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:52:33,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:52:33,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (1/1) ... [2020-07-21 12:52:33,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:52:33,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:52:33,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:52:33,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:52:33,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (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 [2020-07-21 12:52:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:52:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:52:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:52:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:52:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:52:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:52:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:52:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:52:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:52:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:52:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:52:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:52:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:52:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:52:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:52:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:52:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-21 12:52:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:52:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:52:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:52:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:52:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:52:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:52:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:52:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:52:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:52:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:52:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:52:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:52:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:52:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:52:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:52:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:52:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:52:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:52:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:52:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:52:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:52:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:52:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:52:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:52:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:52:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:52:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:52:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:52:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:52:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:52:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:52:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:52:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:52:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:52:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:52:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:52:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:52:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:52:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:52:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:52:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:52:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:52:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:52:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:52:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:52:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:52:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:52:34,841 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:52:34,841 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:52:34,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:34 BoogieIcfgContainer [2020-07-21 12:52:34,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:52:34,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:52:34,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:52:34,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:52:34,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:52:32" (1/3) ... [2020-07-21 12:52:34,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af25316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:34, skipping insertion in model container [2020-07-21 12:52:34,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:33" (2/3) ... [2020-07-21 12:52:34,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af25316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:34, skipping insertion in model container [2020-07-21 12:52:34,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:34" (3/3) ... [2020-07-21 12:52:34,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-07-21 12:52:34,864 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:52:34,872 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:52:34,885 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:52:34,907 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:52:34,907 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:52:34,907 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:52:34,907 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:52:34,908 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:52:34,908 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:52:34,908 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:52:34,908 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:52:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-21 12:52:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:52:34,949 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:34,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:34,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:34,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:34,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2020-07-21 12:52:34,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:34,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686084913] [2020-07-21 12:52:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:35,344 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:35,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:35,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:52:35,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:35,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:35,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:35,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686084913] [2020-07-21 12:52:35,390 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:35,390 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:52:35,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804435326] [2020-07-21 12:52:35,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:52:35,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:35,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:52:35,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:52:35,412 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-21 12:52:35,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:35,460 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2020-07-21 12:52:35,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:52:35,461 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-21 12:52:35,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:35,475 INFO L225 Difference]: With dead ends: 306 [2020-07-21 12:52:35,475 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 12:52:35,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:52:35,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 12:52:35,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 12:52:35,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 12:52:35,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-07-21 12:52:35,538 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-07-21 12:52:35,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:35,539 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-07-21 12:52:35,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:52:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-07-21 12:52:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-21 12:52:35,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:35,544 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] [2020-07-21 12:52:35,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:35,746 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:35,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:35,747 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2020-07-21 12:52:35,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:35,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403979533] [2020-07-21 12:52:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:36,086 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:36,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:36,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:52:36,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:36,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:36,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:36,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403979533] [2020-07-21 12:52:36,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:36,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:36,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593643757] [2020-07-21 12:52:36,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:36,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:36,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:36,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:36,135 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2020-07-21 12:52:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:36,158 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2020-07-21 12:52:36,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:36,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-21 12:52:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:36,161 INFO L225 Difference]: With dead ends: 251 [2020-07-21 12:52:36,161 INFO L226 Difference]: Without dead ends: 144 [2020-07-21 12:52:36,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-21 12:52:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-21 12:52:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-21 12:52:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-21 12:52:36,185 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-07-21 12:52:36,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:36,186 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-21 12:52:36,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-21 12:52:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 12:52:36,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:36,194 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:36,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:36,410 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:36,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:36,411 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2020-07-21 12:52:36,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:36,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475108771] [2020-07-21 12:52:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:36,733 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:36,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:36,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:52:36,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:36,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:36,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475108771] [2020-07-21 12:52:36,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:36,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:36,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754047263] [2020-07-21 12:52:36,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:36,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:36,782 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2020-07-21 12:52:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:36,812 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2020-07-21 12:52:36,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:36,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-21 12:52:36,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:36,815 INFO L225 Difference]: With dead ends: 264 [2020-07-21 12:52:36,815 INFO L226 Difference]: Without dead ends: 144 [2020-07-21 12:52:36,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:36,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-21 12:52:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-21 12:52:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-21 12:52:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-21 12:52:36,832 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-07-21 12:52:36,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:36,832 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-21 12:52:36,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:36,832 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-21 12:52:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-21 12:52:36,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:36,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:37,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:37,049 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:37,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:37,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2020-07-21 12:52:37,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:37,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234338128] [2020-07-21 12:52:37,050 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:37,344 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:37,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:37,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 12:52:37,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:37,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:37,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234338128] [2020-07-21 12:52:37,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:37,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:37,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907728773] [2020-07-21 12:52:37,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:37,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:37,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:37,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:37,445 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 6 states. [2020-07-21 12:52:37,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:37,695 INFO L93 Difference]: Finished difference Result 375 states and 468 transitions. [2020-07-21 12:52:37,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:37,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-07-21 12:52:37,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:37,704 INFO L225 Difference]: With dead ends: 375 [2020-07-21 12:52:37,704 INFO L226 Difference]: Without dead ends: 255 [2020-07-21 12:52:37,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-21 12:52:37,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-07-21 12:52:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-21 12:52:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2020-07-21 12:52:37,766 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 76 [2020-07-21 12:52:37,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:37,766 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2020-07-21 12:52:37,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2020-07-21 12:52:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-21 12:52:37,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:37,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:37,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:37,986 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:37,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:37,986 INFO L82 PathProgramCache]: Analyzing trace with hash 214185769, now seen corresponding path program 1 times [2020-07-21 12:52:37,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:37,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910855774] [2020-07-21 12:52:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:38,250 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:38,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:38,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:52:38,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:38,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:38,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910855774] [2020-07-21 12:52:38,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:38,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:38,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035462967] [2020-07-21 12:52:38,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:38,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:38,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:38,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:38,294 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand 6 states. [2020-07-21 12:52:38,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:38,948 INFO L93 Difference]: Finished difference Result 661 states and 842 transitions. [2020-07-21 12:52:38,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:52:38,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-07-21 12:52:38,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:38,958 INFO L225 Difference]: With dead ends: 661 [2020-07-21 12:52:38,959 INFO L226 Difference]: Without dead ends: 432 [2020-07-21 12:52:38,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:52:38,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-07-21 12:52:39,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 403. [2020-07-21 12:52:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-21 12:52:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 468 transitions. [2020-07-21 12:52:39,021 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 468 transitions. Word has length 80 [2020-07-21 12:52:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:39,022 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 468 transitions. [2020-07-21 12:52:39,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 468 transitions. [2020-07-21 12:52:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:52:39,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:39,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:39,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:39,241 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:39,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:39,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2020-07-21 12:52:39,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:39,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641945933] [2020-07-21 12:52:39,244 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:39,514 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:39,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:39,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:52:39,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:39,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:39,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641945933] [2020-07-21 12:52:39,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:39,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:52:39,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153982925] [2020-07-21 12:52:39,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:52:39,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:39,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:52:39,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:52:39,550 INFO L87 Difference]: Start difference. First operand 403 states and 468 transitions. Second operand 5 states. [2020-07-21 12:52:39,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:39,586 INFO L93 Difference]: Finished difference Result 785 states and 925 transitions. [2020-07-21 12:52:39,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:52:39,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-21 12:52:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:39,594 INFO L225 Difference]: With dead ends: 785 [2020-07-21 12:52:39,594 INFO L226 Difference]: Without dead ends: 406 [2020-07-21 12:52:39,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:52:39,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-07-21 12:52:39,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2020-07-21 12:52:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-21 12:52:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 467 transitions. [2020-07-21 12:52:39,641 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 467 transitions. Word has length 94 [2020-07-21 12:52:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:39,642 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 467 transitions. [2020-07-21 12:52:39,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:52:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 467 transitions. [2020-07-21 12:52:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-21 12:52:39,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:39,643 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:39,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:39,857 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:39,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2020-07-21 12:52:39,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:39,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424753239] [2020-07-21 12:52:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:40,121 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:40,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:40,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:52:40,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:40,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:40,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424753239] [2020-07-21 12:52:40,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:40,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:40,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991727868] [2020-07-21 12:52:40,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:40,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:40,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:40,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:40,163 INFO L87 Difference]: Start difference. First operand 403 states and 467 transitions. Second operand 6 states. [2020-07-21 12:52:40,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:40,248 INFO L93 Difference]: Finished difference Result 778 states and 921 transitions. [2020-07-21 12:52:40,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:40,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-21 12:52:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:40,256 INFO L225 Difference]: With dead ends: 778 [2020-07-21 12:52:40,256 INFO L226 Difference]: Without dead ends: 399 [2020-07-21 12:52:40,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:52:40,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-21 12:52:40,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2020-07-21 12:52:40,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-21 12:52:40,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 459 transitions. [2020-07-21 12:52:40,294 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 459 transitions. Word has length 94 [2020-07-21 12:52:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:40,295 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 459 transitions. [2020-07-21 12:52:40,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:40,295 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 459 transitions. [2020-07-21 12:52:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-21 12:52:40,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:40,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:40,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:40,510 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:40,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:40,511 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2020-07-21 12:52:40,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:40,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312248573] [2020-07-21 12:52:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:40,755 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:40,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:40,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:52:40,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:40,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:40,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312248573] [2020-07-21 12:52:40,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:40,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:40,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562857417] [2020-07-21 12:52:40,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:40,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:40,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:40,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:40,811 INFO L87 Difference]: Start difference. First operand 396 states and 459 transitions. Second operand 6 states. [2020-07-21 12:52:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:41,043 INFO L93 Difference]: Finished difference Result 401 states and 464 transitions. [2020-07-21 12:52:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:41,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-21 12:52:41,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:41,049 INFO L225 Difference]: With dead ends: 401 [2020-07-21 12:52:41,049 INFO L226 Difference]: Without dead ends: 398 [2020-07-21 12:52:41,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-21 12:52:41,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2020-07-21 12:52:41,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-21 12:52:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2020-07-21 12:52:41,077 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 95 [2020-07-21 12:52:41,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:41,078 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2020-07-21 12:52:41,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2020-07-21 12:52:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 12:52:41,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:41,083 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:41,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:41,299 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:41,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:41,299 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2020-07-21 12:52:41,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:41,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600219759] [2020-07-21 12:52:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:52:41,583 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:41,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:41,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:52:41,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 12:52:41,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:52:41,930 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:52:41,964 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:52:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 12:52:42,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600219759] [2020-07-21 12:52:42,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:52:42,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-21 12:52:42,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341551888] [2020-07-21 12:52:42,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-21 12:52:42,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:42,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-21 12:52:42,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-21 12:52:42,120 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 15 states. [2020-07-21 12:52:43,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:43,365 INFO L93 Difference]: Finished difference Result 1019 states and 1350 transitions. [2020-07-21 12:52:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 12:52:43,366 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2020-07-21 12:52:43,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:43,367 INFO L225 Difference]: With dead ends: 1019 [2020-07-21 12:52:43,367 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:52:43,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 264 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-21 12:52:43,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:52:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:52:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:52:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:52:43,371 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2020-07-21 12:52:43,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:43,371 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:52:43,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-21 12:52:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:52:43,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:52:43,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:43,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:52:45,086 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-07-21 12:52:46,673 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-07-21 12:52:46,755 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-21 12:52:46,755 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-21 12:52:46,755 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 12:52:46,755 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-21 12:52:46,755 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-21 12:52:46,756 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 12:52:46,757 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-21 12:52:46,758 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2020-07-21 12:52:46,758 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-21 12:52:46,758 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2020-07-21 12:52:46,758 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2020-07-21 12:52:46,758 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2020-07-21 12:52:46,758 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,759 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2020-07-21 12:52:46,759 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,759 INFO L264 CegarLoopResult]: At program point L241-1(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,759 INFO L268 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2020-07-21 12:52:46,759 INFO L268 CegarLoopResult]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2020-07-21 12:52:46,760 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-21 12:52:46,760 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2020-07-21 12:52:46,760 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,760 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,760 INFO L264 CegarLoopResult]: At program point L235-1(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,760 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2020-07-21 12:52:46,761 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-21 12:52:46,762 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2020-07-21 12:52:46,763 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-21 12:52:46,763 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2020-07-21 12:52:46,764 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point L923(lines 923 931) no Hoare annotation was computed. [2020-07-21 12:52:46,764 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point L935(lines 935 943) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2020-07-21 12:52:46,765 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-21 12:52:46,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-21 12:52:46,767 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,767 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2020-07-21 12:52:46,767 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2020-07-21 12:52:46,767 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2020-07-21 12:52:46,767 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-21 12:52:46,767 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-21 12:52:46,767 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-21 12:52:46,767 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) [2020-07-21 12:52:46,768 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 12:52:46,768 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 12:52:46,768 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,769 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-07-21 12:52:46,769 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,769 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-21 12:52:46,769 INFO L268 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2020-07-21 12:52:46,769 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2020-07-21 12:52:46,769 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,769 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,770 INFO L268 CegarLoopResult]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2020-07-21 12:52:46,770 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,770 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2020-07-21 12:52:46,770 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2020-07-21 12:52:46,770 INFO L264 CegarLoopResult]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,770 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-21 12:52:46,770 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L268 CegarLoopResult]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L264 CegarLoopResult]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= ~waterLevel~0 2) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:46,771 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= ~waterLevel~0 2) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 12:52:46,771 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-21 12:52:46,771 INFO L264 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:46,772 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-21 12:52:46,772 INFO L264 CegarLoopResult]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-21 12:52:46,772 INFO L268 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2020-07-21 12:52:46,772 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-21 12:52:46,772 INFO L268 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2020-07-21 12:52:46,772 INFO L268 CegarLoopResult]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2020-07-21 12:52:46,772 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 12:52:46,773 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 12:52:46,773 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2020-07-21 12:52:46,774 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-21 12:52:46,775 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,776 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2020-07-21 12:52:46,777 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:52:46,777 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 12:52:46,777 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L271 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: true [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 12:52:46,778 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-21 12:52:46,778 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-21 12:52:46,779 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 12:52:46,779 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse1 (= 0 ~pumpRunning~0))))) [2020-07-21 12:52:46,780 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and .cse2 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse2) (or .cse0 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2)) .cse1))) [2020-07-21 12:52:46,780 INFO L264 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3 (and .cse4 .cse5) (and (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))) (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (and .cse1 .cse4 .cse5) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-21 12:52:46,780 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2020-07-21 12:52:46,780 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2)) .cse1))) [2020-07-21 12:52:46,780 INFO L268 CegarLoopResult]: For program point L775(lines 774 793) no Hoare annotation was computed. [2020-07-21 12:52:46,780 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2020-07-21 12:52:46,781 INFO L271 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2020-07-21 12:52:46,781 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2020-07-21 12:52:46,781 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-07-21 12:52:46,781 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-07-21 12:52:46,781 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2020-07-21 12:52:46,781 INFO L271 CegarLoopResult]: At program point L178(lines 153 182) the Hoare annotation is: true [2020-07-21 12:52:46,781 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-21 12:52:46,781 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-07-21 12:52:46,781 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2020-07-21 12:52:46,782 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-21 12:52:46,782 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:52:46,782 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2020-07-21 12:52:46,782 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-07-21 12:52:46,782 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2020-07-21 12:52:46,782 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:52:46,782 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L268 CegarLoopResult]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L271 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: true [2020-07-21 12:52:46,783 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L268 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-21 12:52:46,783 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-21 12:52:46,783 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2020-07-21 12:52:46,784 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 12:52:46,784 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 12:52:46,784 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-21 12:52:46,784 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2020-07-21 12:52:46,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,784 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:52:46,784 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:46,784 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:46,785 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2020-07-21 12:52:46,785 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 |old(~systemActive~0)|))) (.cse1 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2 .cse1))) [2020-07-21 12:52:46,785 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2020-07-21 12:52:46,785 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,785 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2020-07-21 12:52:46,785 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,785 INFO L268 CegarLoopResult]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2020-07-21 12:52:46,786 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse1)))) [2020-07-21 12:52:46,786 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse1) (and .cse1 .cse2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)))) [2020-07-21 12:52:46,786 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-07-21 12:52:46,786 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,786 INFO L268 CegarLoopResult]: For program point L809-1(line 809) no Hoare annotation was computed. [2020-07-21 12:52:46,786 INFO L268 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-07-21 12:52:46,786 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 12:52:46,787 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 12:52:46,787 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse1 (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse3))) [2020-07-21 12:52:46,787 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-21 12:52:46,787 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2020-07-21 12:52:46,787 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2020-07-21 12:52:46,787 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-21 12:52:46,788 INFO L268 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2020-07-21 12:52:46,788 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2020-07-21 12:52:46,788 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,788 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:52:46,788 INFO L268 CegarLoopResult]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2020-07-21 12:52:46,788 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,789 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,789 INFO L268 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2020-07-21 12:52:46,789 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:52:46,789 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-21 12:52:46,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:46 BoogieIcfgContainer [2020-07-21 12:52:46,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:46,807 INFO L168 Benchmark]: Toolchain (without parser) took 13820.14 ms. Allocated memory was 138.4 MB in the beginning and 360.7 MB in the end (delta: 222.3 MB). Free memory was 101.5 MB in the beginning and 90.3 MB in the end (delta: 11.2 MB). Peak memory consumption was 234.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,808 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.97 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 101.0 MB in the beginning and 171.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,810 INFO L168 Benchmark]: Boogie Preprocessor took 95.79 ms. Allocated memory is still 205.5 MB. Free memory was 171.3 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,811 INFO L168 Benchmark]: RCFGBuilder took 1057.79 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 188.9 MB in the end (delta: -22.4 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,812 INFO L168 Benchmark]: TraceAbstraction took 11958.41 ms. Allocated memory was 234.9 MB in the beginning and 360.7 MB in the end (delta: 125.8 MB). Free memory was 188.9 MB in the beginning and 90.3 MB in the end (delta: 98.6 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:46,822 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.97 ms. Allocated memory was 138.4 MB in the beginning and 205.5 MB in the end (delta: 67.1 MB). Free memory was 101.0 MB in the beginning and 171.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.79 ms. Allocated memory is still 205.5 MB. Free memory was 171.3 MB in the beginning and 167.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1057.79 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 166.6 MB in the beginning and 188.9 MB in the end (delta: -22.4 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11958.41 ms. Allocated memory was 234.9 MB in the beginning and 360.7 MB in the end (delta: 125.8 MB). Free memory was 188.9 MB in the beginning and 90.3 MB in the end (delta: 98.6 MB). Peak memory consumption was 225.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || (((waterLevel <= 2 && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1649 SDtfs, 1129 SDslu, 3213 SDs, 0 SdLazy, 1503 SolverSat, 539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 899 GetRequests, 838 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 39 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1182 PreInvPairs, 1362 NumberOfFragments, 1339 HoareAnnotationTreeSize, 1182 FomulaSimplifications, 1900 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 2939 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 878 ConstructedInterpolants, 0 QuantifiedInterpolants, 165155 SizeOfPredicates, 26 NumberOfNonLiveVariables, 6608 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 50/62 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...