/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:11,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:11,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:11,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:11,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:11,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:11,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:11,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:11,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:11,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:11,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:11,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:11,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:11,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:11,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:11,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:11,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:11,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:11,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:11,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:11,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:11,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:11,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:11,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:11,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:11,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:11,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:11,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:11,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:11,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:11,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:11,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:11,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:11,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:11,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:11,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:11,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:11,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:11,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:11,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:11,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:11,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:26:11,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:11,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:11,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:11,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:11,774 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:11,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:11,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:11,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:11,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:11,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:11,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:11,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:11,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:11,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:11,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:11,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:11,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:11,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:11,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:11,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:11,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:11,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:11,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:11,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:11,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:11,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:11,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:11,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:11,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:11,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:26:12,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:12,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:12,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:12,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:12,103 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:12,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-07-20 16:26:12,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43ea6b76/9833361f8d22409d99bfeb501f1966f8/FLAG43f4320e1 [2020-07-20 16:26:12,740 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:12,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-07-20 16:26:12,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43ea6b76/9833361f8d22409d99bfeb501f1966f8/FLAG43f4320e1 [2020-07-20 16:26:12,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c43ea6b76/9833361f8d22409d99bfeb501f1966f8 [2020-07-20 16:26:13,001 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:13,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:13,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:13,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:13,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:13,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:12" (1/1) ... [2020-07-20 16:26:13,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d983add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13, skipping insertion in model container [2020-07-20 16:26:13,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:12" (1/1) ... [2020-07-20 16:26:13,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:13,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:13,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:13,545 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:13,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:13,662 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:13,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13 WrapperNode [2020-07-20 16:26:13,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:13,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:13,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:13,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:13,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... [2020-07-20 16:26:13,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:13,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:13,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:13,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:13,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:13,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:13,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:13,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:13,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:26:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:14,942 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:14,943 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:14,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:14 BoogieIcfgContainer [2020-07-20 16:26:14,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:14,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:14,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:14,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:14,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:12" (1/3) ... [2020-07-20 16:26:14,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d009db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:14, skipping insertion in model container [2020-07-20 16:26:14,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:13" (2/3) ... [2020-07-20 16:26:14,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d009db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:14, skipping insertion in model container [2020-07-20 16:26:14,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:14" (3/3) ... [2020-07-20 16:26:14,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-07-20 16:26:14,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:14,981 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:14,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:15,027 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:15,028 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:15,028 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:15,028 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:15,028 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:15,029 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:15,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:15,030 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 16:26:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:15,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:15,068 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:15,068 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:15,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:15,073 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2020-07-20 16:26:15,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:15,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642927147] [2020-07-20 16:26:15,081 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:15,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:15,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:15,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:15,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:15,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642927147] [2020-07-20 16:26:15,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:15,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:15,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223850649] [2020-07-20 16:26:15,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:15,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:15,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:15,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:15,612 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 16:26:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:15,655 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2020-07-20 16:26:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:15,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:15,670 INFO L225 Difference]: With dead ends: 264 [2020-07-20 16:26:15,671 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 16:26:15,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 16:26:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 16:26:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 16:26:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2020-07-20 16:26:15,734 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2020-07-20 16:26:15,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:15,735 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2020-07-20 16:26:15,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2020-07-20 16:26:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:15,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:15,740 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:15,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,954 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:15,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2020-07-20 16:26:15,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:15,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116521368] [2020-07-20 16:26:15,957 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,375 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:16,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:16,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:16,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:16,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:16,426 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116521368] [2020-07-20 16:26:16,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:16,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:16,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400257101] [2020-07-20 16:26:16,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:16,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:16,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:16,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:16,429 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2020-07-20 16:26:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:16,452 INFO L93 Difference]: Finished difference Result 209 states and 241 transitions. [2020-07-20 16:26:16,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:16,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:16,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:16,455 INFO L225 Difference]: With dead ends: 209 [2020-07-20 16:26:16,455 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:26:16,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:26:16,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:26:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:26:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2020-07-20 16:26:16,473 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2020-07-20 16:26:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:16,473 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2020-07-20 16:26:16,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2020-07-20 16:26:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:16,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:16,476 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:16,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,691 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2020-07-20 16:26:16,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984374296] [2020-07-20 16:26:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,082 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:17,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:17,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984374296] [2020-07-20 16:26:17,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:17,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:17,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467269420] [2020-07-20 16:26:17,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:17,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:17,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:17,122 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 3 states. [2020-07-20 16:26:17,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:17,160 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2020-07-20 16:26:17,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:17,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:17,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:17,166 INFO L225 Difference]: With dead ends: 222 [2020-07-20 16:26:17,168 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:26:17,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:26:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:26:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:26:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2020-07-20 16:26:17,195 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2020-07-20 16:26:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:17,198 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2020-07-20 16:26:17,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2020-07-20 16:26:17,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-20 16:26:17,201 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:17,201 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:17,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,408 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:17,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2020-07-20 16:26:17,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:17,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409431695] [2020-07-20 16:26:17,411 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,803 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:17,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:17,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409431695] [2020-07-20 16:26:17,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:17,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:17,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366671067] [2020-07-20 16:26:17,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:17,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:17,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:17,860 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 6 states. [2020-07-20 16:26:18,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:18,470 INFO L93 Difference]: Finished difference Result 287 states and 336 transitions. [2020-07-20 16:26:18,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:18,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-07-20 16:26:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:18,476 INFO L225 Difference]: With dead ends: 287 [2020-07-20 16:26:18,476 INFO L226 Difference]: Without dead ends: 190 [2020-07-20 16:26:18,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:18,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-20 16:26:18,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2020-07-20 16:26:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-07-20 16:26:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 212 transitions. [2020-07-20 16:26:18,502 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 212 transitions. Word has length 73 [2020-07-20 16:26:18,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:18,503 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 212 transitions. [2020-07-20 16:26:18,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 212 transitions. [2020-07-20 16:26:18,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-20 16:26:18,505 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:18,505 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:18,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:18,720 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:18,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:18,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2020-07-20 16:26:18,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:18,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1288640939] [2020-07-20 16:26:18,723 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:19,124 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:19,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:19,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:19,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:19,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:19,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1288640939] [2020-07-20 16:26:19,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:19,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:19,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068105569] [2020-07-20 16:26:19,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:19,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:19,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:19,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:19,205 INFO L87 Difference]: Start difference. First operand 187 states and 212 transitions. Second operand 6 states. [2020-07-20 16:26:19,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:19,435 INFO L93 Difference]: Finished difference Result 349 states and 401 transitions. [2020-07-20 16:26:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:19,438 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-20 16:26:19,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:19,441 INFO L225 Difference]: With dead ends: 349 [2020-07-20 16:26:19,442 INFO L226 Difference]: Without dead ends: 190 [2020-07-20 16:26:19,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:26:19,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-07-20 16:26:19,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 186. [2020-07-20 16:26:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-20 16:26:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 209 transitions. [2020-07-20 16:26:19,468 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 209 transitions. Word has length 87 [2020-07-20 16:26:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:19,469 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 209 transitions. [2020-07-20 16:26:19,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2020-07-20 16:26:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:19,471 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:19,471 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:19,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:19,686 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:19,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:19,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2020-07-20 16:26:19,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:19,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718792520] [2020-07-20 16:26:19,688 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,015 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:20,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:20,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718792520] [2020-07-20 16:26:20,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:20,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723718091] [2020-07-20 16:26:20,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:20,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:20,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:20,078 INFO L87 Difference]: Start difference. First operand 186 states and 209 transitions. Second operand 6 states. [2020-07-20 16:26:20,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,110 INFO L93 Difference]: Finished difference Result 351 states and 402 transitions. [2020-07-20 16:26:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:20,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-20 16:26:20,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,112 INFO L225 Difference]: With dead ends: 351 [2020-07-20 16:26:20,112 INFO L226 Difference]: Without dead ends: 193 [2020-07-20 16:26:20,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:20,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-20 16:26:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 191. [2020-07-20 16:26:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-20 16:26:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 214 transitions. [2020-07-20 16:26:20,130 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 214 transitions. Word has length 103 [2020-07-20 16:26:20,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,130 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 214 transitions. [2020-07-20 16:26:20,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 214 transitions. [2020-07-20 16:26:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:20,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,133 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:20,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,348 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,349 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2020-07-20 16:26:20,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:20,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341398830] [2020-07-20 16:26:20,350 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,489 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:20,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:20,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341398830] [2020-07-20 16:26:20,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:20,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201041731] [2020-07-20 16:26:20,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:20,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:20,532 INFO L87 Difference]: Start difference. First operand 191 states and 214 transitions. Second operand 5 states. [2020-07-20 16:26:20,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,555 INFO L93 Difference]: Finished difference Result 361 states and 413 transitions. [2020-07-20 16:26:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:20,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-20 16:26:20,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,559 INFO L225 Difference]: With dead ends: 361 [2020-07-20 16:26:20,559 INFO L226 Difference]: Without dead ends: 198 [2020-07-20 16:26:20,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:20,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-07-20 16:26:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2020-07-20 16:26:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-20 16:26:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 218 transitions. [2020-07-20 16:26:20,576 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 218 transitions. Word has length 103 [2020-07-20 16:26:20,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,577 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 218 transitions. [2020-07-20 16:26:20,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 218 transitions. [2020-07-20 16:26:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 16:26:20,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,579 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:26:20,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,795 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,796 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2020-07-20 16:26:20,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:20,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753948966] [2020-07-20 16:26:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,109 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:21,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:21,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:21,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:21,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:21,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753948966] [2020-07-20 16:26:21,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:21,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:21,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750131849] [2020-07-20 16:26:21,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:21,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:21,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:21,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:21,169 INFO L87 Difference]: Start difference. First operand 195 states and 218 transitions. Second operand 3 states. [2020-07-20 16:26:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:21,204 INFO L93 Difference]: Finished difference Result 486 states and 568 transitions. [2020-07-20 16:26:21,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:21,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 16:26:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:21,208 INFO L225 Difference]: With dead ends: 486 [2020-07-20 16:26:21,209 INFO L226 Difference]: Without dead ends: 319 [2020-07-20 16:26:21,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-07-20 16:26:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 316. [2020-07-20 16:26:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-07-20 16:26:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 364 transitions. [2020-07-20 16:26:21,234 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 364 transitions. Word has length 103 [2020-07-20 16:26:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:21,235 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 364 transitions. [2020-07-20 16:26:21,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 364 transitions. [2020-07-20 16:26:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 16:26:21,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:21,239 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2020-07-20 16:26:21,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,454 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:21,455 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2020-07-20 16:26:21,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:21,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448658489] [2020-07-20 16:26:21,456 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,838 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:21,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:21,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:21,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:21,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:21,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448658489] [2020-07-20 16:26:21,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:21,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:21,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508312625] [2020-07-20 16:26:21,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:21,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:21,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:21,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:21,958 INFO L87 Difference]: Start difference. First operand 316 states and 364 transitions. Second operand 10 states. [2020-07-20 16:26:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:23,366 INFO L93 Difference]: Finished difference Result 828 states and 1059 transitions. [2020-07-20 16:26:23,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:26:23,366 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2020-07-20 16:26:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:23,371 INFO L225 Difference]: With dead ends: 828 [2020-07-20 16:26:23,371 INFO L226 Difference]: Without dead ends: 540 [2020-07-20 16:26:23,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 16:26:23,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-07-20 16:26:23,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 409. [2020-07-20 16:26:23,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-07-20 16:26:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 474 transitions. [2020-07-20 16:26:23,409 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 474 transitions. Word has length 107 [2020-07-20 16:26:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:23,410 INFO L479 AbstractCegarLoop]: Abstraction has 409 states and 474 transitions. [2020-07-20 16:26:23,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 474 transitions. [2020-07-20 16:26:23,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-20 16:26:23,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:23,413 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, 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] [2020-07-20 16:26:23,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:23,626 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:23,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:23,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2020-07-20 16:26:23,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:23,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864167466] [2020-07-20 16:26:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:24,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:24,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:24,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:24,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:24,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:24,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864167466] [2020-07-20 16:26:24,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:24,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:24,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669455944] [2020-07-20 16:26:24,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:24,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:24,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:24,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:24,563 INFO L87 Difference]: Start difference. First operand 409 states and 474 transitions. Second operand 10 states. [2020-07-20 16:26:25,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:25,302 INFO L93 Difference]: Finished difference Result 459 states and 540 transitions. [2020-07-20 16:26:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 16:26:25,303 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 151 [2020-07-20 16:26:25,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:25,305 INFO L225 Difference]: With dead ends: 459 [2020-07-20 16:26:25,305 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:25,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 289 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-20 16:26:25,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:25,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:25,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-07-20 16:26:25,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:25,309 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:25,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:25,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:25,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:25,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:26,580 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-07-20 16:26:26,811 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-20 16:26:27,004 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-20 16:26:27,358 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-07-20 16:26:27,714 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-20 16:26:28,145 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-20 16:26:28,300 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-20 16:26:28,600 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2020-07-20 16:26:29,588 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 16:26:29,592 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-07-20 16:26:29,592 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2020-07-20 16:26:29,592 INFO L268 CegarLoopResult]: For program point L340(lines 317 341) no Hoare annotation was computed. [2020-07-20 16:26:29,592 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-20 16:26:29,593 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point L401(lines 374 402) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-20 16:26:29,594 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2020-07-20 16:26:29,595 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2020-07-20 16:26:29,595 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2020-07-20 16:26:29,595 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2020-07-20 16:26:29,595 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2020-07-20 16:26:29,595 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2020-07-20 16:26:29,595 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:26:29,595 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-20 16:26:29,596 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 16:26:29,596 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-20 16:26:29,596 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-20 16:26:29,596 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-20 16:26:29,596 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-20 16:26:29,596 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 16:26:29,596 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-20 16:26:29,596 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:26:29,597 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-20 16:26:29,597 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:29,597 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-20 16:26:29,597 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-20 16:26:29,597 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-20 16:26:29,597 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-20 16:26:29,597 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-20 16:26:29,598 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) 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)|))) [2020-07-20 16:26:29,598 INFO L264 CegarLoopResult]: At program point L185(line 185) 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)|))) [2020-07-20 16:26:29,598 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-07-20 16:26:29,598 INFO L264 CegarLoopResult]: At program point L185-1(line 185) 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)|))) [2020-07-20 16:26:29,598 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-07-20 16:26:29,598 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-07-20 16:26:29,599 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 16:26:29,599 INFO L264 CegarLoopResult]: At program point L180(line 180) 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)|))) [2020-07-20 16:26:29,599 INFO L264 CegarLoopResult]: At program point L179(line 179) 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)|))) [2020-07-20 16:26:29,599 INFO L264 CegarLoopResult]: At program point L179-1(line 179) 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)|))) [2020-07-20 16:26:29,599 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-07-20 16:26:29,599 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-07-20 16:26:29,599 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 16:26:29,600 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-20 16:26:29,601 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point L911(lines 911 919) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2020-07-20 16:26:29,602 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point L899(lines 899 907) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2020-07-20 16:26:29,603 INFO L268 CegarLoopResult]: For program point L574(lines 574 594) no Hoare annotation was computed. [2020-07-20 16:26:29,604 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2020-07-20 16:26:29,604 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2020-07-20 16:26:29,604 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2020-07-20 16:26:29,604 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2020-07-20 16:26:29,605 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-07-20 16:26:29,605 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) 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)|))) [2020-07-20 16:26:29,605 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-07-20 16:26:29,605 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-07-20 16:26:29,605 INFO L264 CegarLoopResult]: At program point L164(line 164) 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)|))) [2020-07-20 16:26:29,605 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2020-07-20 16:26:29,606 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-07-20 16:26:29,606 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2020-07-20 16:26:29,607 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2020-07-20 16:26:29,607 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2020-07-20 16:26:29,607 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:29,607 INFO L268 CegarLoopResult]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2020-07-20 16:26:29,607 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment_~tmp~6) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 16:26:29,607 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:29,608 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2020-07-20 16:26:29,608 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-07-20 16:26:29,608 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:29,608 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:29,608 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 16:26:29,608 INFO L268 CegarLoopResult]: For program point L817(lines 817 834) no Hoare annotation was computed. [2020-07-20 16:26:29,608 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2020-07-20 16:26:29,608 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2020-07-20 16:26:29,609 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) 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)|))) [2020-07-20 16:26:29,609 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:29,609 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-07-20 16:26:29,610 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-20 16:26:29,610 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:29,610 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-07-20 16:26:29,610 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:29,610 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-07-20 16:26:29,610 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:29,611 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-20 16:26:29,611 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-07-20 16:26:29,611 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:29,611 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:29,611 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-07-20 16:26:29,611 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2020-07-20 16:26:29,612 INFO L268 CegarLoopResult]: For program point L528(lines 528 548) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2020-07-20 16:26:29,613 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point L481(lines 459 482) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2020-07-20 16:26:29,614 INFO L268 CegarLoopResult]: For program point L440(lines 440 456) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L461(lines 460 480) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L492-1(line 492) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L457(lines 457 498) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 16:26:29,615 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-20 16:26:29,616 INFO L268 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2020-07-20 16:26:29,616 INFO L268 CegarLoopResult]: For program point L499(lines 499 510) no Hoare annotation was computed. [2020-07-20 16:26:29,616 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2020-07-20 16:26:29,617 INFO L268 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-07-20 16:26:29,617 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2020-07-20 16:26:29,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,617 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)|)) [2020-07-20 16:26:29,617 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,617 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2020-07-20 16:26:29,617 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:29,618 INFO L268 CegarLoopResult]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2020-07-20 16:26:29,618 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:29,618 INFO L268 CegarLoopResult]: For program point L854(lines 854 860) no Hoare annotation was computed. [2020-07-20 16:26:29,618 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:29,618 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-20 16:26:29,618 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2020-07-20 16:26:29,618 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point L937(lines 937 941) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L271 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: true [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point L935-1(line 935) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2020-07-20 16:26:29,619 INFO L268 CegarLoopResult]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2020-07-20 16:26:29,620 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2020-07-20 16:26:29,620 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2020-07-20 16:26:29,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,621 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,621 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-20 16:26:29,621 INFO L264 CegarLoopResult]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6)) (or .cse1 .cse2 .cse3 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse9 .cse5 .cse6) .cse4 .cse7 .cse8 (and .cse9 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))))))) [2020-07-20 16:26:29,622 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:29,622 INFO L268 CegarLoopResult]: For program point L785(lines 781 803) no Hoare annotation was computed. [2020-07-20 16:26:29,622 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4))) [2020-07-20 16:26:29,622 INFO L268 CegarLoopResult]: For program point L783(lines 781 803) no Hoare annotation was computed. [2020-07-20 16:26:29,622 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2020-07-20 16:26:29,622 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2020-07-20 16:26:29,623 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-07-20 16:26:29,623 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-07-20 16:26:29,623 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-07-20 16:26:29,623 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 16:26:29,623 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-07-20 16:26:29,624 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-07-20 16:26:29,624 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-07-20 16:26:29,624 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-07-20 16:26:29,624 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-07-20 16:26:29,624 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3) (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-07-20 16:26:29,625 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-07-20 16:26:29,625 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,626 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:29,626 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:29,626 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:29,626 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2020-07-20 16:26:29,626 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-20 16:26:29,626 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2020-07-20 16:26:29,626 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2020-07-20 16:26:29,626 INFO L268 CegarLoopResult]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2020-07-20 16:26:29,627 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 16:26:29,627 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2020-07-20 16:26:29,627 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2020-07-20 16:26:29,627 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2020-07-20 16:26:29,627 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2020-07-20 16:26:29,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:29 BoogieIcfgContainer [2020-07-20 16:26:29,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:29,657 INFO L168 Benchmark]: Toolchain (without parser) took 16653.79 ms. Allocated memory was 138.9 MB in the beginning and 370.7 MB in the end (delta: 231.7 MB). Free memory was 103.0 MB in the beginning and 236.5 MB in the end (delta: -133.5 MB). Peak memory consumption was 246.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,658 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.43 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 173.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,669 INFO L168 Benchmark]: Boogie Preprocessor took 120.59 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 169.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,670 INFO L168 Benchmark]: RCFGBuilder took 1167.50 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.0 MB in the beginning and 197.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,671 INFO L168 Benchmark]: TraceAbstraction took 14701.96 ms. Allocated memory was 237.0 MB in the beginning and 370.7 MB in the end (delta: 133.7 MB). Free memory was 196.4 MB in the beginning and 236.5 MB in the end (delta: -40.1 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:29,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.43 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 173.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.59 ms. Allocated memory is still 203.9 MB. Free memory was 173.0 MB in the beginning and 169.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1167.50 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 169.0 MB in the beginning and 197.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14701.96 ms. Allocated memory was 237.0 MB in the beginning and 370.7 MB in the end (delta: 133.7 MB). Free memory was 196.4 MB in the beginning and 236.5 MB in the end (delta: -40.1 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1663 SDtfs, 1085 SDslu, 2998 SDs, 0 SdLazy, 1865 SolverSat, 428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1073 GetRequests, 1014 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=9, 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, 10 MinimizatonAttempts, 146 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 668 PreInvPairs, 732 NumberOfFragments, 1503 HoareAnnotationTreeSize, 668 FomulaSimplifications, 1307 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5509 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 911 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1051 ConstructedInterpolants, 0 QuantifiedInterpolants, 213253 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7164 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 87/105 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...