/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:33,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:33,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:33,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:33,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:33,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:33,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:33,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:33,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:33,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:33,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:33,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:33,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:33,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:33,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:33,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:33,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:33,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:33,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:33,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:33,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:33,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:33,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:33,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:33,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:33,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:33,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:33,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:33,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:33,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:33,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:33,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:33,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:33,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:33,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:33,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:33,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:33,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:33,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:33,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:33,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:33,811 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 13:04:33,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:33,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:33,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:33,827 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:33,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:33,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:33,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:33,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:33,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:33,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:33,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:33,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:33,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:33,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:33,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:33,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:04:34,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:34,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:34,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:34,145 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:34,145 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:34,146 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 13:04:34,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dbbba22/181cf6d4b1b1418ab4e808d4ea1f6196/FLAGd24286569 [2020-07-20 13:04:34,773 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:34,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 13:04:34,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dbbba22/181cf6d4b1b1418ab4e808d4ea1f6196/FLAGd24286569 [2020-07-20 13:04:35,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56dbbba22/181cf6d4b1b1418ab4e808d4ea1f6196 [2020-07-20 13:04:35,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:35,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:35,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:35,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:35,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:35,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28149ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35, skipping insertion in model container [2020-07-20 13:04:35,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:35,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:35,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:35,543 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:35,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:35,665 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:35,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35 WrapperNode [2020-07-20 13:04:35,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:35,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:35,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:35,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:35,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (1/1) ... [2020-07-20 13:04:35,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:35,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:35,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:35,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:35,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (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 13:04:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:35,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:04:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:35,830 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:35,831 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:04:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:04:36,827 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:04:36,828 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:04:36,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:36 BoogieIcfgContainer [2020-07-20 13:04:36,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:04:36,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:04:36,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:04:36,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:04:36,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:35" (1/3) ... [2020-07-20 13:04:36,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4211f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:36, skipping insertion in model container [2020-07-20 13:04:36,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:35" (2/3) ... [2020-07-20 13:04:36,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4211f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:36, skipping insertion in model container [2020-07-20 13:04:36,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:36" (3/3) ... [2020-07-20 13:04:36,841 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-07-20 13:04:36,851 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:04:36,858 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:04:36,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:04:36,896 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:04:36,897 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:04:36,897 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:04:36,897 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:04:36,897 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:04:36,898 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:04:36,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:04:36,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:04:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-20 13:04:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:04:36,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:36,931 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 13:04:36,931 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:36,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-07-20 13:04:36,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:36,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [261293535] [2020-07-20 13:04:36,946 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 13:04:37,380 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:37,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:37,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:04:37,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:37,439 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 13:04:37,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:37,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [261293535] [2020-07-20 13:04:37,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:37,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:04:37,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84384902] [2020-07-20 13:04:37,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:04:37,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:37,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:04:37,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:37,475 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2020-07-20 13:04:37,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:37,526 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2020-07-20 13:04:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:04:37,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:04:37,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:37,538 INFO L225 Difference]: With dead ends: 280 [2020-07-20 13:04:37,538 INFO L226 Difference]: Without dead ends: 142 [2020-07-20 13:04:37,542 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 13:04:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-20 13:04:37,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-07-20 13:04:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-20 13:04:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-20 13:04:37,597 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-07-20 13:04:37,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:37,597 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-20 13:04:37,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:04:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-20 13:04:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 13:04:37,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:37,602 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] [2020-07-20 13:04:37,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:37,819 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:37,819 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-07-20 13:04:37,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:37,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616503580] [2020-07-20 13:04:37,820 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 13:04:38,296 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:38,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:38,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:38,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:38,347 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 13:04:38,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:38,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616503580] [2020-07-20 13:04:38,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:38,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:38,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331109734] [2020-07-20 13:04:38,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:38,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:38,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:38,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:38,351 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2020-07-20 13:04:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:38,394 INFO L93 Difference]: Finished difference Result 368 states and 447 transitions. [2020-07-20 13:04:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:38,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 13:04:38,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:38,399 INFO L225 Difference]: With dead ends: 368 [2020-07-20 13:04:38,400 INFO L226 Difference]: Without dead ends: 254 [2020-07-20 13:04:38,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 13:04:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-20 13:04:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2020-07-20 13:04:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-20 13:04:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 301 transitions. [2020-07-20 13:04:38,437 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 301 transitions. Word has length 64 [2020-07-20 13:04:38,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:38,438 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 301 transitions. [2020-07-20 13:04:38,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 301 transitions. [2020-07-20 13:04:38,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:04:38,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:38,445 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] [2020-07-20 13:04:38,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:38,662 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:38,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:38,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-07-20 13:04:38,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:38,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483435600] [2020-07-20 13:04:38,665 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 13:04:38,998 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:38,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:39,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:39,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:39,049 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 13:04:39,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:39,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483435600] [2020-07-20 13:04:39,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:39,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:39,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701973908] [2020-07-20 13:04:39,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:39,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:39,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:39,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:39,052 INFO L87 Difference]: Start difference. First operand 250 states and 301 transitions. Second operand 6 states. [2020-07-20 13:04:39,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:39,326 INFO L93 Difference]: Finished difference Result 610 states and 785 transitions. [2020-07-20 13:04:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:04:39,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:04:39,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:39,351 INFO L225 Difference]: With dead ends: 610 [2020-07-20 13:04:39,351 INFO L226 Difference]: Without dead ends: 388 [2020-07-20 13:04:39,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 13:04:39,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-07-20 13:04:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 378. [2020-07-20 13:04:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-07-20 13:04:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 469 transitions. [2020-07-20 13:04:39,405 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 469 transitions. Word has length 70 [2020-07-20 13:04:39,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:39,406 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 469 transitions. [2020-07-20 13:04:39,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 469 transitions. [2020-07-20 13:04:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 13:04:39,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:39,412 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] [2020-07-20 13:04:39,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:39,613 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:39,614 INFO L82 PathProgramCache]: Analyzing trace with hash 571882893, now seen corresponding path program 1 times [2020-07-20 13:04:39,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:39,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916117651] [2020-07-20 13:04:39,616 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 13:04:39,883 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:04:39,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:39,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:39,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:39,909 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 13:04:39,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:39,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916117651] [2020-07-20 13:04:39,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:39,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:39,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987371019] [2020-07-20 13:04:39,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:39,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:39,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:39,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:39,914 INFO L87 Difference]: Start difference. First operand 378 states and 469 transitions. Second operand 3 states. [2020-07-20 13:04:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:39,935 INFO L93 Difference]: Finished difference Result 609 states and 733 transitions. [2020-07-20 13:04:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:39,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-20 13:04:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:39,941 INFO L225 Difference]: With dead ends: 609 [2020-07-20 13:04:39,941 INFO L226 Difference]: Without dead ends: 342 [2020-07-20 13:04:39,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 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 13:04:39,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-20 13:04:39,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2020-07-20 13:04:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-20 13:04:39,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 413 transitions. [2020-07-20 13:04:39,979 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 413 transitions. Word has length 88 [2020-07-20 13:04:39,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:39,980 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 413 transitions. [2020-07-20 13:04:39,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 413 transitions. [2020-07-20 13:04:39,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:39,982 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:39,982 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] [2020-07-20 13:04:40,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,198 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:40,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:40,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2020-07-20 13:04:40,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:40,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437074999] [2020-07-20 13:04:40,201 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 13:04:40,604 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:40,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:40,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:04:40,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:40,645 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 13:04:40,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:40,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437074999] [2020-07-20 13:04:40,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:40,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:40,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854817252] [2020-07-20 13:04:40,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:40,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:40,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:40,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:40,648 INFO L87 Difference]: Start difference. First operand 342 states and 413 transitions. Second operand 3 states. [2020-07-20 13:04:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:40,689 INFO L93 Difference]: Finished difference Result 962 states and 1245 transitions. [2020-07-20 13:04:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:40,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 13:04:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:40,694 INFO L225 Difference]: With dead ends: 962 [2020-07-20 13:04:40,694 INFO L226 Difference]: Without dead ends: 648 [2020-07-20 13:04:40,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 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 13:04:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-20 13:04:40,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 645. [2020-07-20 13:04:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-20 13:04:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 816 transitions. [2020-07-20 13:04:40,734 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 816 transitions. Word has length 92 [2020-07-20 13:04:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:40,734 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 816 transitions. [2020-07-20 13:04:40,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 816 transitions. [2020-07-20 13:04:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 13:04:40,737 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:40,737 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] [2020-07-20 13:04:40,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:40,947 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:40,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:40,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1155970922, now seen corresponding path program 1 times [2020-07-20 13:04:40,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:40,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858835136] [2020-07-20 13:04:40,949 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 13:04:41,265 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:41,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:41,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 13:04:41,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:41,324 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 13:04:41,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:41,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858835136] [2020-07-20 13:04:41,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:41,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:41,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226668071] [2020-07-20 13:04:41,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:41,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:41,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:41,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:41,326 INFO L87 Difference]: Start difference. First operand 645 states and 816 transitions. Second operand 6 states. [2020-07-20 13:04:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:42,380 INFO L93 Difference]: Finished difference Result 2177 states and 2946 transitions. [2020-07-20 13:04:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 13:04:42,381 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-20 13:04:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:42,392 INFO L225 Difference]: With dead ends: 2177 [2020-07-20 13:04:42,392 INFO L226 Difference]: Without dead ends: 1560 [2020-07-20 13:04:42,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:04:42,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-07-20 13:04:42,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1440. [2020-07-20 13:04:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-07-20 13:04:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1884 transitions. [2020-07-20 13:04:42,483 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1884 transitions. Word has length 96 [2020-07-20 13:04:42,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:42,483 INFO L479 AbstractCegarLoop]: Abstraction has 1440 states and 1884 transitions. [2020-07-20 13:04:42,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1884 transitions. [2020-07-20 13:04:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:42,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:42,486 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] [2020-07-20 13:04:42,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:42,700 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:42,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:42,701 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-07-20 13:04:42,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:42,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347359187] [2020-07-20 13:04:42,702 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 13:04:42,998 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:42,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:43,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:04:43,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:43,038 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 13:04:43,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:43,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347359187] [2020-07-20 13:04:43,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:43,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:43,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613025457] [2020-07-20 13:04:43,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:43,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:43,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:43,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:43,041 INFO L87 Difference]: Start difference. First operand 1440 states and 1884 transitions. Second operand 6 states. [2020-07-20 13:04:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:43,164 INFO L93 Difference]: Finished difference Result 2882 states and 3878 transitions. [2020-07-20 13:04:43,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:04:43,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 13:04:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:43,175 INFO L225 Difference]: With dead ends: 2882 [2020-07-20 13:04:43,175 INFO L226 Difference]: Without dead ends: 1470 [2020-07-20 13:04:43,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 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 13:04:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-07-20 13:04:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1470. [2020-07-20 13:04:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2020-07-20 13:04:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1922 transitions. [2020-07-20 13:04:43,268 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1922 transitions. Word has length 92 [2020-07-20 13:04:43,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:43,269 INFO L479 AbstractCegarLoop]: Abstraction has 1470 states and 1922 transitions. [2020-07-20 13:04:43,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:04:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1922 transitions. [2020-07-20 13:04:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:04:43,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:43,273 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] [2020-07-20 13:04:43,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:43,487 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:43,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:43,488 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-07-20 13:04:43,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:43,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31623448] [2020-07-20 13:04:43,489 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 13:04:43,813 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:43,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:43,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:04:43,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:43,853 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 13:04:43,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:43,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31623448] [2020-07-20 13:04:43,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:43,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:04:43,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989192958] [2020-07-20 13:04:43,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:04:43,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:43,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:04:43,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:04:43,856 INFO L87 Difference]: Start difference. First operand 1470 states and 1922 transitions. Second operand 5 states. [2020-07-20 13:04:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:43,922 INFO L93 Difference]: Finished difference Result 2770 states and 3710 transitions. [2020-07-20 13:04:43,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:04:43,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 13:04:43,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:43,931 INFO L225 Difference]: With dead ends: 2770 [2020-07-20 13:04:43,931 INFO L226 Difference]: Without dead ends: 1328 [2020-07-20 13:04:43,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 13:04:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2020-07-20 13:04:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1328. [2020-07-20 13:04:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-07-20 13:04:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1700 transitions. [2020-07-20 13:04:44,004 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1700 transitions. Word has length 92 [2020-07-20 13:04:44,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:44,004 INFO L479 AbstractCegarLoop]: Abstraction has 1328 states and 1700 transitions. [2020-07-20 13:04:44,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:04:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1700 transitions. [2020-07-20 13:04:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 13:04:44,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:44,006 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] [2020-07-20 13:04:44,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:44,220 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:44,220 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-07-20 13:04:44,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:44,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465359243] [2020-07-20 13:04:44,221 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 13:04:44,563 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:44,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:44,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:04:44,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:44,700 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 13:04:44,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:44,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465359243] [2020-07-20 13:04:44,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:44,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:04:44,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475732042] [2020-07-20 13:04:44,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:44,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:44,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:44,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:44,703 INFO L87 Difference]: Start difference. First operand 1328 states and 1700 transitions. Second operand 10 states. [2020-07-20 13:04:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:45,952 INFO L93 Difference]: Finished difference Result 3389 states and 4789 transitions. [2020-07-20 13:04:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:04:45,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-20 13:04:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:45,966 INFO L225 Difference]: With dead ends: 3389 [2020-07-20 13:04:45,966 INFO L226 Difference]: Without dead ends: 2089 [2020-07-20 13:04:45,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:04:45,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-07-20 13:04:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1461. [2020-07-20 13:04:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2020-07-20 13:04:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1810 transitions. [2020-07-20 13:04:46,097 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1810 transitions. Word has length 96 [2020-07-20 13:04:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:46,098 INFO L479 AbstractCegarLoop]: Abstraction has 1461 states and 1810 transitions. [2020-07-20 13:04:46,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1810 transitions. [2020-07-20 13:04:46,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 13:04:46,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:46,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:04:46,316 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:46,317 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:46,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:46,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1405851946, now seen corresponding path program 1 times [2020-07-20 13:04:46,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:46,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484919531] [2020-07-20 13:04:46,318 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 13:04:46,603 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:04:46,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:46,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:04:46,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:04:46,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:46,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484919531] [2020-07-20 13:04:46,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:46,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:46,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148936354] [2020-07-20 13:04:46,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:46,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:46,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:46,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:46,660 INFO L87 Difference]: Start difference. First operand 1461 states and 1810 transitions. Second operand 3 states. [2020-07-20 13:04:46,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:46,792 INFO L93 Difference]: Finished difference Result 1822 states and 2251 transitions. [2020-07-20 13:04:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:46,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 13:04:46,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:46,801 INFO L225 Difference]: With dead ends: 1822 [2020-07-20 13:04:46,801 INFO L226 Difference]: Without dead ends: 675 [2020-07-20 13:04:46,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 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 13:04:46,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-20 13:04:46,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 657. [2020-07-20 13:04:46,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-07-20 13:04:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 783 transitions. [2020-07-20 13:04:46,854 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 783 transitions. Word has length 137 [2020-07-20 13:04:46,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:46,855 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 783 transitions. [2020-07-20 13:04:46,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 783 transitions. [2020-07-20 13:04:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 13:04:46,857 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:46,857 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, 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] [2020-07-20 13:04:47,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:47,073 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:47,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:47,073 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-07-20 13:04:47,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:47,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662854879] [2020-07-20 13:04:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:47,447 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:47,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:47,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:47,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:47,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:04:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:04:47,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [662854879] [2020-07-20 13:04:47,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:04:47,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:04:47,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841006650] [2020-07-20 13:04:47,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:04:47,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:47,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:04:47,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:04:47,881 INFO L87 Difference]: Start difference. First operand 657 states and 783 transitions. Second operand 10 states. [2020-07-20 13:04:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:48,811 INFO L93 Difference]: Finished difference Result 1413 states and 1712 transitions. [2020-07-20 13:04:48,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:04:48,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-07-20 13:04:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:48,813 INFO L225 Difference]: With dead ends: 1413 [2020-07-20 13:04:48,813 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:04:48,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 297 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:04:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:04:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:04:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:04:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:04:48,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-20 13:04:48,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:48,818 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:04:48,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:04:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:04:48,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:04:49,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:49,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:04:50,790 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 13:04:51,128 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 13:04:51,240 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-20 13:04:51,558 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 13:04:51,828 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 13:04:52,324 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 13:04:52,718 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-20 13:04:53,051 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2020-07-20 13:04:53,167 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2020-07-20 13:04:53,300 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 13:04:53,569 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2020-07-20 13:04:53,699 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 13:04:54,224 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 13:04:54,762 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-07-20 13:04:54,958 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 13:04:55,205 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 13:04:55,210 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-07-20 13:04:55,211 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-07-20 13:04:55,212 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: true [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2020-07-20 13:04:55,213 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2020-07-20 13:04:55,214 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:04:55,214 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2020-07-20 13:04:55,215 INFO L268 CegarLoopResult]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L271 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: true [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,216 INFO L264 CegarLoopResult]: At program point L384-1(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 372 394) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 13:04:55,216 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,217 INFO L264 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,217 INFO L264 CegarLoopResult]: At program point L378-1(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-07-20 13:04:55,217 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2020-07-20 13:04:55,218 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:04:55,218 INFO L268 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-07-20 13:04:55,219 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-07-20 13:04:55,220 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,221 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2020-07-20 13:04:55,221 INFO L271 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: true [2020-07-20 13:04:55,221 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2020-07-20 13:04:55,222 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L264 CegarLoopResult]: At program point L182(line 182) 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 13:04:55,223 INFO L268 CegarLoopResult]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2020-07-20 13:04:55,223 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:04:55,223 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,223 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2020-07-20 13:04:55,224 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point testENTRY(lines 396 461) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,224 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L442-1(lines 436 449) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L268 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2020-07-20 13:04:55,225 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L264 CegarLoopResult]: At program point L451(lines 406 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.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 (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:04:55,226 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.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 (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-20 13:04:55,226 INFO L264 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-20 13:04:55,227 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-07-20 13:04:55,228 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 13:04:55,229 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2020-07-20 13:04:55,230 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 188 195) 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 13:04:55,231 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L271 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: true [2020-07-20 13:04:55,231 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L268 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2020-07-20 13:04:55,231 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2020-07-20 13:04:55,231 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: true [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,232 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-07-20 13:04:55,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-20 13:04:55,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-20 13:04:55,233 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:04:55,233 INFO L264 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (let ((.cse10 (<= 1 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 1))) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse4 .cse13 (and .cse10 .cse0 .cse14 .cse11))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse7 .cse8 (and .cse9 .cse6 .cse12) (and .cse6 .cse0 .cse14)) (let ((.cse15 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse15 .cse6 .cse0) .cse3 (and .cse15 .cse6 .cse12) .cse4 .cse13)) (or .cse5 .cse7 (and .cse6 .cse0 .cse1) .cse3))) [2020-07-20 13:04:55,234 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (and .cse7 (= 0 ~pumpRunning~0) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse6 .cse5 .cse2) (or (and .cse7 .cse8 .cse9) .cse6 .cse10 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse4 .cse6 .cse10 (and .cse5 .cse8 .cse9)) (or .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (or .cse6 .cse0 .cse2 .cse3) (or .cse11 .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse10 .cse3)))) [2020-07-20 13:04:55,234 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 13:04:55,234 INFO L268 CegarLoopResult]: For program point L109(lines 105 127) no Hoare annotation was computed. [2020-07-20 13:04:55,234 INFO L268 CegarLoopResult]: For program point L107(lines 105 127) no Hoare annotation was computed. [2020-07-20 13:04:55,234 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2020-07-20 13:04:55,234 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2020-07-20 13:04:55,234 INFO L271 CegarLoopResult]: At program point L321(lines 296 325) the Hoare annotation is: true [2020-07-20 13:04:55,234 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2020-07-20 13:04:55,235 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-20 13:04:55,235 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2020-07-20 13:04:55,235 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 13:04:55,235 INFO L271 CegarLoopResult]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2020-07-20 13:04:55,235 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 13:04:55,235 INFO L271 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2020-07-20 13:04:55,235 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-07-20 13:04:55,235 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-07-20 13:04:55,236 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 13:04:55,236 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-07-20 13:04:55,236 INFO L268 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-07-20 13:04:55,236 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2020-07-20 13:04:55,236 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2020-07-20 13:04:55,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,236 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:04:55,236 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:04:55,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:04:55,237 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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 13:04:55,237 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,237 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2020-07-20 13:04:55,237 INFO L268 CegarLoopResult]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2020-07-20 13:04:55,237 INFO L264 CegarLoopResult]: At program point L151(line 151) 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 (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:04:55,237 INFO L264 CegarLoopResult]: At program point L147(line 147) 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 13:04:55,238 INFO L268 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2020-07-20 13:04:55,238 INFO L264 CegarLoopResult]: At program point L143(line 143) 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 13:04:55,238 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-07-20 13:04:55,238 INFO L268 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2020-07-20 13:04:55,238 INFO L268 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-07-20 13:04:55,238 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-07-20 13:04:55,238 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse7 .cse9)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse6) (or .cse1 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse7 .cse8 .cse2) (or .cse8 .cse5 .cse2 .cse6)))) [2020-07-20 13:04:55,238 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:55,239 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:04:55,239 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:04:55,239 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:04:55,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:55 BoogieIcfgContainer [2020-07-20 13:04:55,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:04:55,257 INFO L168 Benchmark]: Toolchain (without parser) took 20185.40 ms. Allocated memory was 136.3 MB in the beginning and 506.5 MB in the end (delta: 370.1 MB). Free memory was 99.6 MB in the beginning and 165.7 MB in the end (delta: -66.0 MB). Peak memory consumption was 335.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,258 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.22 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 167.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,260 INFO L168 Benchmark]: Boogie Preprocessor took 89.14 ms. Allocated memory is still 200.3 MB. Free memory was 167.9 MB in the beginning and 161.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,261 INFO L168 Benchmark]: RCFGBuilder took 1077.55 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 161.6 MB in the beginning and 191.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,262 INFO L168 Benchmark]: TraceAbstraction took 18421.39 ms. Allocated memory was 229.1 MB in the beginning and 506.5 MB in the end (delta: 277.3 MB). Free memory was 191.2 MB in the beginning and 165.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 333.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:04:55,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 592.22 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 167.9 MB in the end (delta: -68.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.14 ms. Allocated memory is still 200.3 MB. Free memory was 167.9 MB in the beginning and 161.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1077.55 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 161.6 MB in the beginning and 191.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18421.39 ms. Allocated memory was 229.1 MB in the beginning and 506.5 MB in the end (delta: 277.3 MB). Free memory was 191.2 MB in the beginning and 165.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 333.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2127 SDtfs, 1482 SDslu, 3702 SDs, 0 SdLazy, 2305 SolverSat, 622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1144 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1470occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 783 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3628 PreInvPairs, 3792 NumberOfFragments, 1977 HoareAnnotationTreeSize, 3628 FomulaSimplifications, 6508 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 12879 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1041 NumberOfCodeBlocks, 869 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 233066 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8251 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 122/144 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...