/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:33,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:33,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:33,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:33,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:33,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:33,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:33,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:33,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:33,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:33,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:33,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:33,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:33,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:33,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:33,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:33,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:33,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:33,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:33,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:33,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:33,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:33,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:33,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:33,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:33,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:33,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:33,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:33,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:33,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:33,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:33,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:33,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:33,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:33,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:33,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:33,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:33,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:33,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:33,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:33,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:33,713 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 10:41:33,737 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:33,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:33,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:33,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:33,741 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:33,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:33,741 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:33,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:33,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:33,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:33,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:33,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:33,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:33,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:33,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:33,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:33,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:33,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:33,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:33,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:33,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:33,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:33,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:33,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:33,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:33,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:33,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:33,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:33,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:33,747 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 -> NOT_INCREMENTALLY [2020-07-20 10:41:34,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:34,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:34,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:34,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:34,080 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:34,081 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-07-20 10:41:34,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa2085d3/01cf250bec0b4ebeb549fd2d209a57af/FLAG5f7fd0f80 [2020-07-20 10:41:34,709 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:34,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2020-07-20 10:41:34,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa2085d3/01cf250bec0b4ebeb549fd2d209a57af/FLAG5f7fd0f80 [2020-07-20 10:41:34,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa2085d3/01cf250bec0b4ebeb549fd2d209a57af [2020-07-20 10:41:34,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:34,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:34,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:34,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:34,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:34,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:34" (1/1) ... [2020-07-20 10:41:34,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5232a170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:34, skipping insertion in model container [2020-07-20 10:41:34,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:34" (1/1) ... [2020-07-20 10:41:34,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:35,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:35,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:35,457 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:35,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:35,637 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:35,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35 WrapperNode [2020-07-20 10:41:35,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:35,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:35,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:35,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:35,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (1/1) ... [2020-07-20 10:41:35,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:35,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:35,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:35,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:35,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (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 10:41:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:41:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:35,827 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:41:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:41:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:41:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:36,898 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:36,899 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:36,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:36 BoogieIcfgContainer [2020-07-20 10:41:36,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:36,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:36,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:36,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:36,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:34" (1/3) ... [2020-07-20 10:41:36,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f494f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:36, skipping insertion in model container [2020-07-20 10:41:36,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:35" (2/3) ... [2020-07-20 10:41:36,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f494f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:36, skipping insertion in model container [2020-07-20 10:41:36,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:36" (3/3) ... [2020-07-20 10:41:36,914 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-07-20 10:41:36,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:36,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:36,947 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:36,969 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:36,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:36,969 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:36,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:36,970 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:36,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:36,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:36,970 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 10:41:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:37,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:37,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:37,007 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:37,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:37,013 INFO L82 PathProgramCache]: Analyzing trace with hash -154299971, now seen corresponding path program 1 times [2020-07-20 10:41:37,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:37,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352550023] [2020-07-20 10:41:37,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:37,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:37,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:37,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352550023] [2020-07-20 10:41:37,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:37,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:37,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504519058] [2020-07-20 10:41:37,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:37,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:37,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:37,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:37,351 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 10:41:37,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:37,400 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2020-07-20 10:41:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:37,402 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:37,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:37,417 INFO L225 Difference]: With dead ends: 262 [2020-07-20 10:41:37,417 INFO L226 Difference]: Without dead ends: 133 [2020-07-20 10:41:37,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 10:41:37,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-20 10:41:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-20 10:41:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 10:41:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2020-07-20 10:41:37,521 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2020-07-20 10:41:37,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:37,522 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2020-07-20 10:41:37,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:37,522 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2020-07-20 10:41:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:37,531 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:37,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:37,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:37,733 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:37,734 INFO L82 PathProgramCache]: Analyzing trace with hash 401693438, now seen corresponding path program 1 times [2020-07-20 10:41:37,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:37,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157227870] [2020-07-20 10:41:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:37,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:37,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:38,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:38,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157227870] [2020-07-20 10:41:38,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:38,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:38,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588404980] [2020-07-20 10:41:38,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:38,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:38,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:38,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:38,051 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2020-07-20 10:41:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:38,094 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2020-07-20 10:41:38,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:38,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:38,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:38,099 INFO L225 Difference]: With dead ends: 238 [2020-07-20 10:41:38,099 INFO L226 Difference]: Without dead ends: 133 [2020-07-20 10:41:38,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 10:41:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-20 10:41:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-20 10:41:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 10:41:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2020-07-20 10:41:38,130 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 52 [2020-07-20 10:41:38,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:38,131 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2020-07-20 10:41:38,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:38,131 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2020-07-20 10:41:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:41:38,138 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,353 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1680558686, now seen corresponding path program 1 times [2020-07-20 10:41:38,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73815646] [2020-07-20 10:41:38,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:38,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:38,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73815646] [2020-07-20 10:41:38,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:38,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:38,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091814914] [2020-07-20 10:41:38,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:38,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:38,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:38,565 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 3 states. [2020-07-20 10:41:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:38,581 INFO L93 Difference]: Finished difference Result 211 states and 245 transitions. [2020-07-20 10:41:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:38,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:41:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:38,589 INFO L225 Difference]: With dead ends: 211 [2020-07-20 10:41:38,589 INFO L226 Difference]: Without dead ends: 124 [2020-07-20 10:41:38,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:38,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-20 10:41:38,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-07-20 10:41:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-20 10:41:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2020-07-20 10:41:38,611 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 65 [2020-07-20 10:41:38,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:38,612 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2020-07-20 10:41:38,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2020-07-20 10:41:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 10:41:38,616 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,616 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,818 INFO L82 PathProgramCache]: Analyzing trace with hash -877153324, now seen corresponding path program 1 times [2020-07-20 10:41:38,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80042534] [2020-07-20 10:41:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:39,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80042534] [2020-07-20 10:41:39,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:39,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598734405] [2020-07-20 10:41:39,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:39,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:39,033 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 3 states. [2020-07-20 10:41:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,080 INFO L93 Difference]: Finished difference Result 220 states and 262 transitions. [2020-07-20 10:41:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:39,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-07-20 10:41:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,084 INFO L225 Difference]: With dead ends: 220 [2020-07-20 10:41:39,085 INFO L226 Difference]: Without dead ends: 217 [2020-07-20 10:41:39,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 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 10:41:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-07-20 10:41:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-07-20 10:41:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-20 10:41:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 259 transitions. [2020-07-20 10:41:39,108 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 259 transitions. Word has length 69 [2020-07-20 10:41:39,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,109 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 259 transitions. [2020-07-20 10:41:39,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 259 transitions. [2020-07-20 10:41:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 10:41:39,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:39,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,325 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:39,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:39,325 INFO L82 PathProgramCache]: Analyzing trace with hash 909402066, now seen corresponding path program 1 times [2020-07-20 10:41:39,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:39,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125361790] [2020-07-20 10:41:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 10:41:39,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125361790] [2020-07-20 10:41:39,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:39,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007839286] [2020-07-20 10:41:39,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:39,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:39,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:39,552 INFO L87 Difference]: Start difference. First operand 217 states and 259 transitions. Second operand 7 states. [2020-07-20 10:41:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,322 INFO L93 Difference]: Finished difference Result 519 states and 669 transitions. [2020-07-20 10:41:40,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:40,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-07-20 10:41:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,327 INFO L225 Difference]: With dead ends: 519 [2020-07-20 10:41:40,327 INFO L226 Difference]: Without dead ends: 330 [2020-07-20 10:41:40,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:40,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-07-20 10:41:40,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 299. [2020-07-20 10:41:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-07-20 10:41:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 364 transitions. [2020-07-20 10:41:40,362 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 364 transitions. Word has length 112 [2020-07-20 10:41:40,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:40,362 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 364 transitions. [2020-07-20 10:41:40,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 364 transitions. [2020-07-20 10:41:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 10:41:40,365 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:40,366 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2020-07-20 10:41:40,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,581 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,582 INFO L82 PathProgramCache]: Analyzing trace with hash 813113190, now seen corresponding path program 1 times [2020-07-20 10:41:40,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241223025] [2020-07-20 10:41:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,810 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:40,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241223025] [2020-07-20 10:41:40,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:40,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930997251] [2020-07-20 10:41:40,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:40,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:40,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:40,815 INFO L87 Difference]: Start difference. First operand 299 states and 364 transitions. Second operand 3 states. [2020-07-20 10:41:40,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,916 INFO L93 Difference]: Finished difference Result 533 states and 658 transitions. [2020-07-20 10:41:40,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:40,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-20 10:41:40,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,921 INFO L225 Difference]: With dead ends: 533 [2020-07-20 10:41:40,922 INFO L226 Difference]: Without dead ends: 262 [2020-07-20 10:41:40,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 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 10:41:40,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-07-20 10:41:40,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2020-07-20 10:41:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-20 10:41:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 302 transitions. [2020-07-20 10:41:40,946 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 302 transitions. Word has length 142 [2020-07-20 10:41:40,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:40,947 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 302 transitions. [2020-07-20 10:41:40,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 302 transitions. [2020-07-20 10:41:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-20 10:41:40,949 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:40,950 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:41,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,166 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:41,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:41,167 INFO L82 PathProgramCache]: Analyzing trace with hash -661242546, now seen corresponding path program 1 times [2020-07-20 10:41:41,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:41,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849004678] [2020-07-20 10:41:41,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:41,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:41:41,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:41:41,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:41,593 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:41,629 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 10:41:41,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849004678] [2020-07-20 10:41:41,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:41,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-20 10:41:41,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171724762] [2020-07-20 10:41:41,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:41:41,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:41,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:41:41,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:41,719 INFO L87 Difference]: Start difference. First operand 262 states and 302 transitions. Second operand 5 states. [2020-07-20 10:41:42,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:42,166 INFO L93 Difference]: Finished difference Result 651 states and 797 transitions. [2020-07-20 10:41:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:41:42,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-07-20 10:41:42,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:42,171 INFO L225 Difference]: With dead ends: 651 [2020-07-20 10:41:42,172 INFO L226 Difference]: Without dead ends: 417 [2020-07-20 10:41:42,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 275 SyntacticMatches, 7 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2020-07-20 10:41:42,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2020-07-20 10:41:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-20 10:41:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 513 transitions. [2020-07-20 10:41:42,210 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 513 transitions. Word has length 144 [2020-07-20 10:41:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:42,211 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 513 transitions. [2020-07-20 10:41:42,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:41:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 513 transitions. [2020-07-20 10:41:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-20 10:41:42,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:42,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:42,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:42,428 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:42,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:42,429 INFO L82 PathProgramCache]: Analyzing trace with hash -308154164, now seen corresponding path program 1 times [2020-07-20 10:41:42,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:42,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392005467] [2020-07-20 10:41:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:42,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 10:41:42,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 10:41:42,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392005467] [2020-07-20 10:41:42,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:42,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:42,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811109189] [2020-07-20 10:41:42,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:42,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:42,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:42,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:42,917 INFO L87 Difference]: Start difference. First operand 417 states and 513 transitions. Second operand 6 states. [2020-07-20 10:41:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:43,163 INFO L93 Difference]: Finished difference Result 1131 states and 1455 transitions. [2020-07-20 10:41:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:43,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2020-07-20 10:41:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:43,169 INFO L225 Difference]: With dead ends: 1131 [2020-07-20 10:41:43,170 INFO L226 Difference]: Without dead ends: 742 [2020-07-20 10:41:43,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-07-20 10:41:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 672. [2020-07-20 10:41:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-07-20 10:41:43,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 820 transitions. [2020-07-20 10:41:43,225 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 820 transitions. Word has length 144 [2020-07-20 10:41:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:43,225 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 820 transitions. [2020-07-20 10:41:43,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 820 transitions. [2020-07-20 10:41:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 10:41:43,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:43,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:43,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:43,445 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:43,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:43,446 INFO L82 PathProgramCache]: Analyzing trace with hash -931413272, now seen corresponding path program 1 times [2020-07-20 10:41:43,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:43,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325042235] [2020-07-20 10:41:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:43,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:41:43,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:43,677 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 10:41:43,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:43,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325042235] [2020-07-20 10:41:43,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:43,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:43,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045483805] [2020-07-20 10:41:43,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:43,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:43,679 INFO L87 Difference]: Start difference. First operand 672 states and 820 transitions. Second operand 6 states. [2020-07-20 10:41:43,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:43,754 INFO L93 Difference]: Finished difference Result 1336 states and 1659 transitions. [2020-07-20 10:41:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:43,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 10:41:43,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:43,760 INFO L225 Difference]: With dead ends: 1336 [2020-07-20 10:41:43,760 INFO L226 Difference]: Without dead ends: 692 [2020-07-20 10:41:43,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 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 10:41:43,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-07-20 10:41:43,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2020-07-20 10:41:43,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2020-07-20 10:41:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 842 transitions. [2020-07-20 10:41:43,812 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 842 transitions. Word has length 148 [2020-07-20 10:41:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:43,813 INFO L479 AbstractCegarLoop]: Abstraction has 692 states and 842 transitions. [2020-07-20 10:41:43,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 842 transitions. [2020-07-20 10:41:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 10:41:43,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:43,820 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:44,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,034 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1422972010, now seen corresponding path program 1 times [2020-07-20 10:41:44,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892779064] [2020-07-20 10:41:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:44,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:41:44,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:44,281 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 10:41:44,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:44,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892779064] [2020-07-20 10:41:44,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:44,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:41:44,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963417916] [2020-07-20 10:41:44,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:41:44,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:44,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:41:44,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:41:44,284 INFO L87 Difference]: Start difference. First operand 692 states and 842 transitions. Second operand 5 states. [2020-07-20 10:41:44,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:44,331 INFO L93 Difference]: Finished difference Result 1336 states and 1663 transitions. [2020-07-20 10:41:44,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:41:44,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-20 10:41:44,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:44,338 INFO L225 Difference]: With dead ends: 1336 [2020-07-20 10:41:44,338 INFO L226 Difference]: Without dead ends: 672 [2020-07-20 10:41:44,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 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 10:41:44,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-07-20 10:41:44,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2020-07-20 10:41:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2020-07-20 10:41:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 815 transitions. [2020-07-20 10:41:44,388 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 815 transitions. Word has length 148 [2020-07-20 10:41:44,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:44,389 INFO L479 AbstractCegarLoop]: Abstraction has 672 states and 815 transitions. [2020-07-20 10:41:44,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:41:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 815 transitions. [2020-07-20 10:41:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 10:41:44,392 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:44,392 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:44,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:44,606 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:44,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:44,606 INFO L82 PathProgramCache]: Analyzing trace with hash 2098664619, now seen corresponding path program 1 times [2020-07-20 10:41:44,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:44,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836112306] [2020-07-20 10:41:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:41:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:44,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:41:44,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:44,856 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:44,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836112306] [2020-07-20 10:41:44,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:44,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:44,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215939062] [2020-07-20 10:41:44,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:44,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:44,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:44,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:44,858 INFO L87 Difference]: Start difference. First operand 672 states and 815 transitions. Second operand 6 states. [2020-07-20 10:41:45,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:45,592 INFO L93 Difference]: Finished difference Result 1801 states and 2300 transitions. [2020-07-20 10:41:45,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:45,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 10:41:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:45,601 INFO L225 Difference]: With dead ends: 1801 [2020-07-20 10:41:45,601 INFO L226 Difference]: Without dead ends: 1157 [2020-07-20 10:41:45,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:45,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2020-07-20 10:41:45,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1130. [2020-07-20 10:41:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-07-20 10:41:45,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1387 transitions. [2020-07-20 10:41:45,712 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1387 transitions. Word has length 148 [2020-07-20 10:41:45,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:45,714 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1387 transitions. [2020-07-20 10:41:45,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1387 transitions. [2020-07-20 10:41:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 10:41:45,718 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:45,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:45,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:45,933 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:45,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:45,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1309638405, now seen corresponding path program 1 times [2020-07-20 10:41:45,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:45,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600710451] [2020-07-20 10:41:45,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:46,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:46,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:46,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:46,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600710451] [2020-07-20 10:41:46,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:46,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 10:41:46,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719787339] [2020-07-20 10:41:46,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 10:41:46,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:46,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 10:41:46,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:46,269 INFO L87 Difference]: Start difference. First operand 1130 states and 1387 transitions. Second operand 9 states. [2020-07-20 10:41:47,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:47,764 INFO L93 Difference]: Finished difference Result 2993 states and 3955 transitions. [2020-07-20 10:41:47,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 10:41:47,764 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2020-07-20 10:41:47,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:47,778 INFO L225 Difference]: With dead ends: 2993 [2020-07-20 10:41:47,778 INFO L226 Difference]: Without dead ends: 1891 [2020-07-20 10:41:47,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-07-20 10:41:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2020-07-20 10:41:47,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1516. [2020-07-20 10:41:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2020-07-20 10:41:47,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1827 transitions. [2020-07-20 10:41:47,881 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1827 transitions. Word has length 152 [2020-07-20 10:41:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:47,882 INFO L479 AbstractCegarLoop]: Abstraction has 1516 states and 1827 transitions. [2020-07-20 10:41:47,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 10:41:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1827 transitions. [2020-07-20 10:41:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 10:41:47,885 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:47,885 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:48,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,101 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:48,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:48,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251847, now seen corresponding path program 1 times [2020-07-20 10:41:48,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:48,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909392069] [2020-07-20 10:41:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:48,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:41:48,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:48,350 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 10:41:48,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:48,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909392069] [2020-07-20 10:41:48,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:48,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:48,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624678099] [2020-07-20 10:41:48,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:48,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:48,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:48,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:48,353 INFO L87 Difference]: Start difference. First operand 1516 states and 1827 transitions. Second operand 6 states. [2020-07-20 10:41:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:48,435 INFO L93 Difference]: Finished difference Result 2053 states and 2467 transitions. [2020-07-20 10:41:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:41:48,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-07-20 10:41:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:48,437 INFO L225 Difference]: With dead ends: 2053 [2020-07-20 10:41:48,437 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:48,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 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 10:41:48,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:48,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:48,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-20 10:41:48,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:48,443 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:48,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:48,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:48,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:48,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:50,220 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2020-07-20 10:41:50,683 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2020-07-20 10:41:50,799 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2020-07-20 10:41:50,976 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 36 [2020-07-20 10:41:51,268 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-20 10:41:51,500 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2020-07-20 10:41:52,064 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 42 [2020-07-20 10:41:52,481 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-20 10:41:53,107 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2020-07-20 10:41:53,563 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 38 [2020-07-20 10:41:53,567 INFO L268 CegarLoopResult]: For program point L638(line 638) no Hoare annotation was computed. [2020-07-20 10:41:53,567 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 658) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point L659(lines 636 660) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 612 667) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 612 667) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 612 667) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 647) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point L700(lines 700 704) no Hoare annotation was computed. [2020-07-20 10:41:53,568 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 704) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 668 727) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 719) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point L720(lines 693 721) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 668 727) no Hoare annotation was computed. [2020-07-20 10:41:53,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 668 727) no Hoare annotation was computed. [2020-07-20 10:41:53,570 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-07-20 10:41:53,570 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-07-20 10:41:53,570 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2020-07-20 10:41:53,570 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2020-07-20 10:41:53,570 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-20 10:41:53,570 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2020-07-20 10:41:53,570 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-20 10:41:53,573 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,574 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,575 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,575 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,575 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-20 10:41:53,575 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-20 10:41:53,575 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,576 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,576 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:41:53,577 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 10:41:53,578 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L268 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2020-07-20 10:41:53,579 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L504(lines 504 512) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L504-2(lines 504 512) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 485 520) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L492(lines 492 500) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2020-07-20 10:41:53,580 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 485 520) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 485 520) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point L515-1(line 515) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 566 611) no Hoare annotation was computed. [2020-07-20 10:41:53,581 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 566 611) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 566 611) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-20 10:41:53,582 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,583 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 465 475) no Hoare annotation was computed. [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 465 475) no Hoare annotation was computed. [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 465 475) no Hoare annotation was computed. [2020-07-20 10:41:53,583 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2020-07-20 10:41:53,584 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2020-07-20 10:41:53,584 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2020-07-20 10:41:53,585 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:53,585 INFO L268 CegarLoopResult]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2020-07-20 10:41:53,585 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2020-07-20 10:41:53,585 INFO L264 CegarLoopResult]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:41:53,585 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:53,585 INFO L264 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~4))))) [2020-07-20 10:41:53,586 INFO L268 CegarLoopResult]: For program point L432(lines 432 440) no Hoare annotation was computed. [2020-07-20 10:41:53,586 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2020-07-20 10:41:53,586 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-07-20 10:41:53,586 INFO L268 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2020-07-20 10:41:53,586 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2020-07-20 10:41:53,586 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2020-07-20 10:41:53,586 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:41:53,587 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:53,587 INFO L264 CegarLoopResult]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:53,587 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-20 10:41:53,587 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-20 10:41:53,587 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2020-07-20 10:41:53,587 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 10:41:53,587 INFO L264 CegarLoopResult]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:41:53,588 INFO L268 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2020-07-20 10:41:53,588 INFO L264 CegarLoopResult]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:53,588 INFO L268 CegarLoopResult]: For program point L307(lines 306 351) no Hoare annotation was computed. [2020-07-20 10:41:53,588 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-20 10:41:53,588 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (<= 1 ~pumpRunning~0)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)))) [2020-07-20 10:41:53,588 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-20 10:41:53,588 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 833 878) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point L853(lines 853 860) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 833 878) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 833 878) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point L847(lines 847 867) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point L847-1(lines 847 867) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2020-07-20 10:41:53,589 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2020-07-20 10:41:53,590 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2020-07-20 10:41:53,590 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse2 .cse1 .cse3 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3 .cse4))) [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point L274(lines 274 291) no Hoare annotation was computed. [2020-07-20 10:41:53,590 INFO L268 CegarLoopResult]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2020-07-20 10:41:53,591 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:41:53,591 INFO L264 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:41:53,591 INFO L268 CegarLoopResult]: For program point L272-1(line 272) no Hoare annotation was computed. [2020-07-20 10:41:53,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2020-07-20 10:41:53,591 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:53,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2020-07-20 10:41:53,591 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2020-07-20 10:41:53,591 INFO L268 CegarLoopResult]: For program point L207(lines 207 215) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 199 221) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 199 221) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 199 221) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 730 832) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L795-1(line 795) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L818(lines 818 829) no Hoare annotation was computed. [2020-07-20 10:41:53,592 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 799) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 730 832) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L800(lines 778 801) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L759(lines 759 775) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L819(lines 819 826) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 730 832) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L780(lines 779 799) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 10:41:53,593 INFO L268 CegarLoopResult]: For program point L811-1(line 811) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point L776(lines 776 817) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 936 945) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 936 945) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 936 945) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,594 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 222 230) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 222 230) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 222 230) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L271 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: true [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2020-07-20 10:41:53,595 INFO L268 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,596 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,597 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse4 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse5) (or .cse0 .cse2 .cse4 .cse1 .cse5))) [2020-07-20 10:41:53,597 INFO L264 CegarLoopResult]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and .cse1 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2) .cse3) (or .cse0 (and .cse1 .cse2 .cse4) .cse5 .cse6 (and (= 0 ~methAndRunningLastTime~0) .cse1 (<= 1 ~pumpRunning~0) .cse4) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 1) .cse4) .cse5 .cse6 (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:41:53,597 INFO L264 CegarLoopResult]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse3 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse3 .cse2))) [2020-07-20 10:41:53,597 INFO L268 CegarLoopResult]: For program point L370(lines 369 388) no Hoare annotation was computed. [2020-07-20 10:41:53,597 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)) (or .cse0 .cse5 (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 (= 0 ~pumpRunning~0) .cse4) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse1 .cse5 .cse2))) [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 10:41:53,598 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 10:41:53,598 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 10:41:53,598 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 10:41:53,599 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 10:41:53,599 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 10:41:53,599 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 10:41:53,599 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 10:41:53,599 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2020-07-20 10:41:53,599 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-20 10:41:53,599 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-20 10:41:53,599 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:41:53,599 INFO L268 CegarLoopResult]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2020-07-20 10:41:53,600 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2020-07-20 10:41:53,600 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 10:41:53,600 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 10:41:53,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,600 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:41:53,600 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:53,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:53,600 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:41:53,601 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:53,601 INFO L268 CegarLoopResult]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2020-07-20 10:41:53,601 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:53,601 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2020-07-20 10:41:53,601 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:53,601 INFO L268 CegarLoopResult]: For program point L406(lines 406 414) no Hoare annotation was computed. [2020-07-20 10:41:53,601 INFO L264 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point L402(lines 402 419) no Hoare annotation was computed. [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2020-07-20 10:41:53,602 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2020-07-20 10:41:53,602 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2020-07-20 10:41:53,603 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2020-07-20 10:41:53,603 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2020-07-20 10:41:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:53 BoogieIcfgContainer [2020-07-20 10:41:53,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:53,623 INFO L168 Benchmark]: Toolchain (without parser) took 18641.89 ms. Allocated memory was 146.3 MB in the beginning and 449.8 MB in the end (delta: 303.6 MB). Free memory was 103.1 MB in the beginning and 155.4 MB in the end (delta: -52.3 MB). Peak memory consumption was 319.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:53,623 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 10:41:53,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.94 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 171.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:53,625 INFO L168 Benchmark]: Boogie Preprocessor took 113.81 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:53,626 INFO L168 Benchmark]: RCFGBuilder took 1149.30 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 195.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:53,626 INFO L168 Benchmark]: TraceAbstraction took 16715.32 ms. Allocated memory was 235.9 MB in the beginning and 449.8 MB in the end (delta: 213.9 MB). Free memory was 195.1 MB in the beginning and 155.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 322.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:53,630 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.94 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.8 MB in the beginning and 171.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.81 ms. Allocated memory is still 202.9 MB. Free memory was 171.9 MB in the beginning and 167.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.30 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.8 MB in the beginning and 195.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16715.32 ms. Allocated memory was 235.9 MB in the beginning and 449.8 MB in the end (delta: 213.9 MB). Free memory was 195.1 MB in the beginning and 155.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 322.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= pumpRunning)) || (((0 == methAndRunningLastTime && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2036 SDtfs, 1483 SDslu, 3055 SDs, 0 SdLazy, 2118 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1829 GetRequests, 1763 SyntacticMatches, 8 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1516occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 503 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2746 PreInvPairs, 2837 NumberOfFragments, 1548 HoareAnnotationTreeSize, 2746 FomulaSimplifications, 4880 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 15789 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1527 NumberOfCodeBlocks, 1527 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1800 ConstructedInterpolants, 0 QuantifiedInterpolants, 400042 SizeOfPredicates, 32 NumberOfNonLiveVariables, 10709 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 405/408 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...