/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:58:03,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:58:03,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:58:03,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:58:03,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:58:03,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:58:03,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:58:03,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:58:03,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:58:03,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:58:03,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:58:03,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:58:03,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:58:03,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:58:03,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:58:03,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:58:03,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:58:03,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:58:03,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:58:03,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:58:03,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:58:03,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:58:03,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:58:03,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:58:03,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:58:03,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:58:03,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:58:03,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:58:03,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:58:03,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:58:03,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:58:03,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:58:03,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:58:03,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:58:03,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:58:03,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:58:03,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:58:03,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:58:03,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:58:03,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:58:03,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:58:03,733 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 [2020-07-19 22:58:03,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:58:03,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:58:03,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:58:03,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:58:03,750 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:58:03,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:58:03,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:58:03,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:58:03,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:58:03,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:58:03,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:58:03,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:58:03,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:58:03,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:58:03,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:58:03,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:58:03,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:58:03,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:58:03,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:58:03,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:58:03,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:58:03,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:58:03,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:58:03,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:58:03,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:58:03,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:58:03,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:58:03,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:58:03,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:58:03,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:58:04,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:58:04,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:58:04,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:58:04,041 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:58:04,044 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:58:04,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-19 22:58:04,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de072148/91c957945eea4a1bab86c77f968dd236/FLAG20e2eca5f [2020-07-19 22:58:04,697 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:58:04,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-07-19 22:58:04,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de072148/91c957945eea4a1bab86c77f968dd236/FLAG20e2eca5f [2020-07-19 22:58:04,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1de072148/91c957945eea4a1bab86c77f968dd236 [2020-07-19 22:58:04,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:58:04,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:58:04,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:58:04,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:58:04,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:58:04,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:58:04" (1/1) ... [2020-07-19 22:58:04,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fda60f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:04, skipping insertion in model container [2020-07-19 22:58:05,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:58:04" (1/1) ... [2020-07-19 22:58:05,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:58:05,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:58:05,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:58:05,547 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:58:05,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:58:05,701 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:58:05,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05 WrapperNode [2020-07-19 22:58:05,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:58:05,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:58:05,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:58:05,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:58:05,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (1/1) ... [2020-07-19 22:58:05,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:58:05,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:58:05,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:58:05,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:58:05,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (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 [2020-07-19 22:58:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:58:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:58:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:58:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:58:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:58:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:58:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:58:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:58:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:58:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:58:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:58:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:58:05,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:58:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:58:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:58:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:58:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:58:05,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:58:05,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:58:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:58:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:58:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:58:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:58:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:58:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:58:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:58:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:58:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:58:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:58:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:58:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:58:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:58:05,880 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:58:05,881 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:58:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:58:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:58:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:58:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:58:05,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:58:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:58:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:58:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:58:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:58:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:58:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:58:05,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:58:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:58:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:58:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:58:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:58:05,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:58:07,144 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:58:07,144 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:58:07,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:58:07 BoogieIcfgContainer [2020-07-19 22:58:07,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:58:07,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:58:07,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:58:07,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:58:07,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:58:04" (1/3) ... [2020-07-19 22:58:07,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589c7fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:58:07, skipping insertion in model container [2020-07-19 22:58:07,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:58:05" (2/3) ... [2020-07-19 22:58:07,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589c7fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:58:07, skipping insertion in model container [2020-07-19 22:58:07,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:58:07" (3/3) ... [2020-07-19 22:58:07,163 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-07-19 22:58:07,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:58:07,185 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:58:07,202 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:58:07,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:58:07,233 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:58:07,233 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:58:07,234 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:58:07,234 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:58:07,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:58:07,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:58:07,234 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:58:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states. [2020-07-19 22:58:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:58:07,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:07,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:07,270 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:07,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:07,275 INFO L82 PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times [2020-07-19 22:58:07,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:07,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583510252] [2020-07-19 22:58:07,285 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:07,943 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:08,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583510252] [2020-07-19 22:58:08,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:08,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:58:08,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489975785] [2020-07-19 22:58:08,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:58:08,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:08,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:58:08,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:58:08,149 INFO L87 Difference]: Start difference. First operand 203 states. Second operand 4 states. [2020-07-19 22:58:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:09,503 INFO L93 Difference]: Finished difference Result 351 states and 448 transitions. [2020-07-19 22:58:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:58:09,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:58:09,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:09,520 INFO L225 Difference]: With dead ends: 351 [2020-07-19 22:58:09,520 INFO L226 Difference]: Without dead ends: 192 [2020-07-19 22:58:09,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:58:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-19 22:58:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 160. [2020-07-19 22:58:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-19 22:58:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2020-07-19 22:58:09,631 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2020-07-19 22:58:09,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:09,631 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2020-07-19 22:58:09,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:58:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2020-07-19 22:58:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:58:09,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:09,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:09,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:58:09,644 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:09,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:09,645 INFO L82 PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times [2020-07-19 22:58:09,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:09,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249461660] [2020-07-19 22:58:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,067 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:10,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249461660] [2020-07-19 22:58:10,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:10,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:58:10,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462691098] [2020-07-19 22:58:10,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:58:10,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:10,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:58:10,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:58:10,125 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 5 states. [2020-07-19 22:58:10,577 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:11,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:11,568 INFO L93 Difference]: Finished difference Result 292 states and 356 transitions. [2020-07-19 22:58:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:58:11,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:58:11,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:11,574 INFO L225 Difference]: With dead ends: 292 [2020-07-19 22:58:11,575 INFO L226 Difference]: Without dead ends: 182 [2020-07-19 22:58:11,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:58:11,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-19 22:58:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2020-07-19 22:58:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-19 22:58:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2020-07-19 22:58:11,620 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2020-07-19 22:58:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:11,621 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2020-07-19 22:58:11,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:58:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2020-07-19 22:58:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:58:11,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:11,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:11,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:58:11,623 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:11,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:11,624 INFO L82 PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times [2020-07-19 22:58:11,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:11,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518367164] [2020-07-19 22:58:11,625 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:11,978 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:12,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:12,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518367164] [2020-07-19 22:58:12,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:12,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:12,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571517268] [2020-07-19 22:58:12,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:12,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:12,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:12,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:12,101 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 9 states. [2020-07-19 22:58:12,564 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:12,836 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:13,084 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:13,348 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:14,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:14,815 INFO L93 Difference]: Finished difference Result 305 states and 375 transitions. [2020-07-19 22:58:14,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:58:14,816 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:58:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:14,819 INFO L225 Difference]: With dead ends: 305 [2020-07-19 22:58:14,819 INFO L226 Difference]: Without dead ends: 182 [2020-07-19 22:58:14,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:58:14,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-19 22:58:14,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2020-07-19 22:58:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-07-19 22:58:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2020-07-19 22:58:14,891 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2020-07-19 22:58:14,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:14,891 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2020-07-19 22:58:14,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2020-07-19 22:58:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:58:14,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:14,896 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:14,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:58:14,896 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:14,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:14,897 INFO L82 PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times [2020-07-19 22:58:14,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:14,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649823668] [2020-07-19 22:58:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,226 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:15,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649823668] [2020-07-19 22:58:15,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:15,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:58:15,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991560439] [2020-07-19 22:58:15,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:58:15,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:15,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:58:15,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:58:15,338 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 7 states. [2020-07-19 22:58:15,663 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:17,102 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:17,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:17,751 INFO L93 Difference]: Finished difference Result 415 states and 516 transitions. [2020-07-19 22:58:17,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:58:17,753 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-07-19 22:58:17,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:17,757 INFO L225 Difference]: With dead ends: 415 [2020-07-19 22:58:17,757 INFO L226 Difference]: Without dead ends: 292 [2020-07-19 22:58:17,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:58:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-19 22:58:17,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 246. [2020-07-19 22:58:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-07-19 22:58:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2020-07-19 22:58:17,803 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 83 [2020-07-19 22:58:17,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:17,803 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2020-07-19 22:58:17,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:58:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2020-07-19 22:58:17,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:58:17,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:17,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:17,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:58:17,805 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:17,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:17,805 INFO L82 PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times [2020-07-19 22:58:17,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:17,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045434502] [2020-07-19 22:58:17,806 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,147 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:58:18,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045434502] [2020-07-19 22:58:18,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:18,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:18,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280228536] [2020-07-19 22:58:18,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:18,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:18,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:18,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:18,318 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 9 states. [2020-07-19 22:58:18,734 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:19,433 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:20,144 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:20,492 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:20,917 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:21,148 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:21,803 INFO L93 Difference]: Finished difference Result 509 states and 612 transitions. [2020-07-19 22:58:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:58:21,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-07-19 22:58:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:21,805 INFO L225 Difference]: With dead ends: 509 [2020-07-19 22:58:21,806 INFO L226 Difference]: Without dead ends: 291 [2020-07-19 22:58:21,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:58:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-19 22:58:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 245. [2020-07-19 22:58:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-19 22:58:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 277 transitions. [2020-07-19 22:58:21,856 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 277 transitions. Word has length 97 [2020-07-19 22:58:21,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:21,860 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 277 transitions. [2020-07-19 22:58:21,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:21,861 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2020-07-19 22:58:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:58:21,866 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:21,867 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:21,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:58:21,869 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:21,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:21,871 INFO L82 PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times [2020-07-19 22:58:21,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:21,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454287758] [2020-07-19 22:58:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,162 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:22,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454287758] [2020-07-19 22:58:22,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:22,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:58:22,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132848826] [2020-07-19 22:58:22,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:58:22,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:22,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:58:22,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:58:22,287 INFO L87 Difference]: Start difference. First operand 245 states and 277 transitions. Second operand 9 states. [2020-07-19 22:58:23,334 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:23,570 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:23,826 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:24,074 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:24,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:24,949 INFO L93 Difference]: Finished difference Result 507 states and 607 transitions. [2020-07-19 22:58:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:58:24,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 22:58:24,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:24,952 INFO L225 Difference]: With dead ends: 507 [2020-07-19 22:58:24,952 INFO L226 Difference]: Without dead ends: 290 [2020-07-19 22:58:24,953 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:58:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-07-19 22:58:25,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 250. [2020-07-19 22:58:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-19 22:58:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2020-07-19 22:58:25,003 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 98 [2020-07-19 22:58:25,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:25,004 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2020-07-19 22:58:25,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:58:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2020-07-19 22:58:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:58:25,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:25,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:25,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:58:25,006 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:25,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:25,006 INFO L82 PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times [2020-07-19 22:58:25,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:25,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308026343] [2020-07-19 22:58:25,007 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,263 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:25,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308026343] [2020-07-19 22:58:25,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:25,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:58:25,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270901781] [2020-07-19 22:58:25,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:58:25,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:25,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:58:25,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:58:25,419 INFO L87 Difference]: Start difference. First operand 250 states and 282 transitions. Second operand 11 states. [2020-07-19 22:58:25,927 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:26,161 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:26,382 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:27,092 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:27,337 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:27,600 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:28,606 INFO L93 Difference]: Finished difference Result 519 states and 628 transitions. [2020-07-19 22:58:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:58:28,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-19 22:58:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:28,611 INFO L225 Difference]: With dead ends: 519 [2020-07-19 22:58:28,611 INFO L226 Difference]: Without dead ends: 297 [2020-07-19 22:58:28,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:58:28,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2020-07-19 22:58:28,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 254. [2020-07-19 22:58:28,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-07-19 22:58:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 286 transitions. [2020-07-19 22:58:28,698 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 286 transitions. Word has length 98 [2020-07-19 22:58:28,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:28,698 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 286 transitions. [2020-07-19 22:58:28,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:58:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 286 transitions. [2020-07-19 22:58:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 22:58:28,703 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:28,703 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:28,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:58:28,704 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:28,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:28,704 INFO L82 PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times [2020-07-19 22:58:28,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:28,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556395971] [2020-07-19 22:58:28,706 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:28,977 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:29,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556395971] [2020-07-19 22:58:29,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:29,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:58:29,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525537975] [2020-07-19 22:58:29,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:58:29,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:29,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:58:29,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:58:29,123 INFO L87 Difference]: Start difference. First operand 254 states and 286 transitions. Second operand 7 states. [2020-07-19 22:58:29,485 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:29,996 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:31,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:31,990 INFO L93 Difference]: Finished difference Result 711 states and 879 transitions. [2020-07-19 22:58:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:58:31,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2020-07-19 22:58:31,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:31,995 INFO L225 Difference]: With dead ends: 711 [2020-07-19 22:58:31,995 INFO L226 Difference]: Without dead ends: 485 [2020-07-19 22:58:31,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:58:31,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-19 22:58:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2020-07-19 22:58:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-19 22:58:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 514 transitions. [2020-07-19 22:58:32,073 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 514 transitions. Word has length 98 [2020-07-19 22:58:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:32,074 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 514 transitions. [2020-07-19 22:58:32,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:58:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 514 transitions. [2020-07-19 22:58:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 22:58:32,075 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:32,076 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:32,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:58:32,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:32,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times [2020-07-19 22:58:32,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:32,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305683003] [2020-07-19 22:58:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,397 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:58:32,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305683003] [2020-07-19 22:58:32,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:58:32,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:58:32,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759169509] [2020-07-19 22:58:32,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:58:32,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:32,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:58:32,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:58:32,591 INFO L87 Difference]: Start difference. First operand 443 states and 514 transitions. Second operand 12 states. [2020-07-19 22:58:33,049 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:33,722 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:34,809 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:35,096 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:35,329 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:35,603 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:35,854 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:37,227 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:37,484 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:38,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:38,470 INFO L93 Difference]: Finished difference Result 1230 states and 1515 transitions. [2020-07-19 22:58:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:58:38,472 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 102 [2020-07-19 22:58:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:38,478 INFO L225 Difference]: With dead ends: 1230 [2020-07-19 22:58:38,478 INFO L226 Difference]: Without dead ends: 894 [2020-07-19 22:58:38,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:58:38,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-07-19 22:58:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 769. [2020-07-19 22:58:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-07-19 22:58:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 883 transitions. [2020-07-19 22:58:38,620 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 883 transitions. Word has length 102 [2020-07-19 22:58:38,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:38,620 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 883 transitions. [2020-07-19 22:58:38,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:58:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 883 transitions. [2020-07-19 22:58:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-19 22:58:38,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:38,624 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:58:38,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:58:38,624 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:38,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:38,625 INFO L82 PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times [2020-07-19 22:58:38,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:38,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623487728] [2020-07-19 22:58:38,625 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:38,991 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-19 22:58:39,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623487728] [2020-07-19 22:58:39,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996950765] [2020-07-19 22:58:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@25fac07c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:39,764 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@25fac07c issued 4 check-sat command(s) [2020-07-19 22:58:39,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:39,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:58:39,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:58:39,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:39,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:58:39,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72161342] [2020-07-19 22:58:39,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:58:39,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:39,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:58:39,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:58:39,982 INFO L87 Difference]: Start difference. First operand 769 states and 883 transitions. Second operand 20 states. [2020-07-19 22:58:40,471 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:40,796 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:58:41,056 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:58:41,301 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:58:41,918 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:42,186 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:58:42,540 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:58:43,246 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:43,584 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:58:44,587 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:58:44,858 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:45,160 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:45,722 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:46,141 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:46,828 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:58:47,326 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:58:47,897 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:48,373 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:49,070 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:58:49,357 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:49,627 INFO L93 Difference]: Finished difference Result 1698 states and 2010 transitions. [2020-07-19 22:58:49,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-19 22:58:49,627 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 180 [2020-07-19 22:58:49,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:49,634 INFO L225 Difference]: With dead ends: 1698 [2020-07-19 22:58:49,634 INFO L226 Difference]: Without dead ends: 1032 [2020-07-19 22:58:49,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-19 22:58:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-07-19 22:58:49,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 919. [2020-07-19 22:58:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-07-19 22:58:49,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1062 transitions. [2020-07-19 22:58:49,888 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1062 transitions. Word has length 180 [2020-07-19 22:58:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:49,891 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1062 transitions. [2020-07-19 22:58:49,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:58:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1062 transitions. [2020-07-19 22:58:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-07-19 22:58:49,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:49,902 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:58:50,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:58:50,117 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:50,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:50,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1944484943, now seen corresponding path program 1 times [2020-07-19 22:58:50,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:50,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690274615] [2020-07-19 22:58:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@199e9403 [2020-07-19 22:58:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,437 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 83 proven. 29 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-19 22:58:50,914 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690274615] [2020-07-19 22:58:50,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781396624] [2020-07-19 22:58:50,915 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4629ed6d No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:51,561 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4629ed6d issued 3 check-sat command(s) [2020-07-19 22:58:51,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:51,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:58:51,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-07-19 22:58:51,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:51,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2020-07-19 22:58:51,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18546031] [2020-07-19 22:58:51,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 22:58:51,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:51,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 22:58:51,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2020-07-19 22:58:51,882 INFO L87 Difference]: Start difference. First operand 919 states and 1062 transitions. Second operand 25 states. [2020-07-19 22:58:52,447 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:53,750 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:54,556 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:55,104 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 22:58:55,589 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 22:58:55,846 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:56,134 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:56,418 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:58,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:58,789 INFO L93 Difference]: Finished difference Result 2086 states and 2524 transitions. [2020-07-19 22:58:58,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 22:58:58,790 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 301 [2020-07-19 22:58:58,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:58,791 INFO L225 Difference]: With dead ends: 2086 [2020-07-19 22:58:58,791 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:58:58,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 400 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=446, Invalid=1906, Unknown=0, NotChecked=0, Total=2352 [2020-07-19 22:58:58,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:58:58,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:58:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:58:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:58:58,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 301 [2020-07-19 22:58:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:58,799 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:58:58,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 22:58:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:58:58,799 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:58:59,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:59,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:59:01,463 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2020-07-19 22:59:04,614 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 256 [2020-07-19 22:59:05,953 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 232 [2020-07-19 22:59:06,280 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 236 [2020-07-19 22:59:07,255 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 249 [2020-07-19 22:59:07,960 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-19 22:59:08,272 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:59:08,816 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-19 22:59:08,986 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-19 22:59:09,255 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2020-07-19 22:59:09,412 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 22:59:09,595 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:10,274 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-19 22:59:10,785 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-19 22:59:10,972 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:59:11,148 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:59:11,858 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 30 [2020-07-19 22:59:12,010 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:59:12,455 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:13,312 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 26 [2020-07-19 22:59:13,826 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-19 22:59:14,031 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:59:14,597 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2020-07-19 22:59:15,719 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 223 DAG size of output: 35 [2020-07-19 22:59:15,883 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:59:16,245 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 1 [2020-07-19 22:59:17,151 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 27 [2020-07-19 22:59:17,889 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 30 [2020-07-19 22:59:18,077 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:59:18,840 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 27 [2020-07-19 22:59:19,032 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:59:19,970 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-07-19 22:59:20,532 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-19 22:59:20,718 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:21,464 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2020-07-19 22:59:21,991 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-07-19 22:59:22,314 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:59:22,771 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:22,954 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:23,143 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:59:23,518 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-19 22:59:23,957 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:24,213 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-07-19 22:59:24,390 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:24,772 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 29 [2020-07-19 22:59:24,929 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:59:25,327 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2020-07-19 22:59:25,491 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 15 [2020-07-19 22:59:26,187 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 28 [2020-07-19 22:59:26,510 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:59:26,699 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 25 [2020-07-19 22:59:26,880 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:27,086 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 22:59:27,533 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:27,736 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 27 [2020-07-19 22:59:28,118 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 22:59:28,552 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:28,727 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-07-19 22:59:29,161 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:29,829 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 30 [2020-07-19 22:59:30,321 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-07-19 22:59:30,326 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-19 22:59:30,326 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 740) no Hoare annotation was computed. [2020-07-19 22:59:30,326 INFO L268 CegarLoopResult]: For program point L731(line 731) no Hoare annotation was computed. [2020-07-19 22:59:30,326 INFO L268 CegarLoopResult]: For program point L730-2(lines 730 751) no Hoare annotation was computed. [2020-07-19 22:59:30,327 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 705 760) no Hoare annotation was computed. [2020-07-19 22:59:30,327 INFO L268 CegarLoopResult]: For program point L752(lines 729 753) no Hoare annotation was computed. [2020-07-19 22:59:30,327 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 705 760) no Hoare annotation was computed. [2020-07-19 22:59:30,327 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 705 760) no Hoare annotation was computed. [2020-07-19 22:59:30,327 INFO L268 CegarLoopResult]: For program point L793(lines 793 797) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 797) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 761 820) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point L787-2(lines 787 812) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 761 820) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point L813(lines 786 814) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 761 820) no Hoare annotation was computed. [2020-07-19 22:59:30,328 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-19 22:59:30,329 INFO L268 CegarLoopResult]: For program point L806-1(line 806) no Hoare annotation was computed. [2020-07-19 22:59:30,329 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2020-07-19 22:59:30,329 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2020-07-19 22:59:30,329 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2020-07-19 22:59:30,329 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2020-07-19 22:59:30,329 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2020-07-19 22:59:30,329 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:30,330 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-19 22:59:30,330 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-19 22:59:30,330 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-19 22:59:30,330 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-07-19 22:59:30,330 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-07-19 22:59:30,330 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-07-19 22:59:30,330 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-07-19 22:59:30,331 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0) (<= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse2 .cse3))) [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-07-19 22:59:30,331 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-07-19 22:59:30,331 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,332 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,332 INFO L264 CegarLoopResult]: At program point L302-1(line 302) the Hoare annotation is: (or (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,332 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L268 CegarLoopResult]: For program point L300(lines 300 307) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L268 CegarLoopResult]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-19 22:59:30,332 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,333 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,333 INFO L264 CegarLoopResult]: At program point L296-1(line 296) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 244 267) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 244 267) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 244 267) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-19 22:59:30,333 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-19 22:59:30,334 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L498-1(line 498) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 468 503) no Hoare annotation was computed. [2020-07-19 22:59:30,335 INFO L268 CegarLoopResult]: For program point L487(lines 487 495) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 468 503) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point L487-2(lines 487 495) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 468 503) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-19 22:59:30,336 INFO L268 CegarLoopResult]: For program point L992(lines 992 999) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point L986(lines 986 1006) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 972 1017) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point L986-1(lines 986 1006) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 972 1017) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 972 1017) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-19 22:59:30,337 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,337 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L271 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: true [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point L453-1(line 453) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point L182(lines 182 188) no Hoare annotation was computed. [2020-07-19 22:59:30,338 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2020-07-19 22:59:30,339 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2020-07-19 22:59:30,339 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2020-07-19 22:59:30,339 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,339 INFO L268 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2020-07-19 22:59:30,339 INFO L264 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,339 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-19 22:59:30,339 INFO L268 CegarLoopResult]: For program point L411(lines 411 428) no Hoare annotation was computed. [2020-07-19 22:59:30,339 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2020-07-19 22:59:30,340 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,340 INFO L264 CegarLoopResult]: At program point L426(line 426) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,340 INFO L268 CegarLoopResult]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2020-07-19 22:59:30,340 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,340 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2020-07-19 22:59:30,340 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2020-07-19 22:59:30,340 INFO L264 CegarLoopResult]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,340 INFO L264 CegarLoopResult]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:30,341 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-19 22:59:30,341 INFO L268 CegarLoopResult]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2020-07-19 22:59:30,341 INFO L264 CegarLoopResult]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 22:59:30,341 INFO L268 CegarLoopResult]: For program point L562(lines 561 608) no Hoare annotation was computed. [2020-07-19 22:59:30,341 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 22:59:30,341 INFO L268 CegarLoopResult]: For program point L591(lines 591 604) no Hoare annotation was computed. [2020-07-19 22:59:30,341 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point L581(lines 581 587) no Hoare annotation was computed. [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2020-07-19 22:59:30,342 INFO L264 CegarLoopResult]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 22:59:30,342 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2 .cse3))) [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-07-19 22:59:30,342 INFO L268 CegarLoopResult]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 926 971) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 926 971) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point L946(lines 946 953) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 926 971) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point L940(lines 940 960) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-19 22:59:30,343 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point L154(lines 154 162) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 146 168) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point L154-2(lines 154 162) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 146 168) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 146 168) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 619 628) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-19 22:59:30,344 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 823 925) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L911(lines 911 922) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L874(lines 874 878) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 892) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 823 925) no Hoare annotation was computed. [2020-07-19 22:59:30,345 INFO L268 CegarLoopResult]: For program point L893(lines 871 894) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L852(lines 852 868) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 823 925) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L912(lines 912 919) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L873(lines 872 892) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point L869(lines 869 910) no Hoare annotation was computed. [2020-07-19 22:59:30,346 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,347 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:59:30,347 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,347 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2020-07-19 22:59:30,347 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2020-07-19 22:59:30,347 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:30,347 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2020-07-19 22:59:30,347 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point L513(lines 513 517) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L271 CegarLoopResult]: At program point L511(line 511) the Hoare annotation is: true [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point L511-1(line 511) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2020-07-19 22:59:30,348 INFO L268 CegarLoopResult]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse3))) [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2020-07-19 22:59:30,349 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2020-07-19 22:59:30,350 INFO L264 CegarLoopResult]: At program point L336(line 336) the Hoare annotation is: (let ((.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse1 .cse2 (<= ~waterLevel~0 2) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) (and .cse1 .cse2 (= 1 ~waterLevel~0)) .cse3) (or (and (= 0 ~pumpRunning~0) .cse4) (not (= 0 |old(~pumpRunning~0)|)) .cse5 .cse3) (or .cse6 .cse0 .cse5 (and .cse1 .cse2 .cse4) .cse7 .cse3) (or .cse6 .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse7 .cse3)))) [2020-07-19 22:59:30,350 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 (and .cse5 .cse0 .cse1) .cse2 .cse3) (or (and .cse5 (= 2 ~waterLevel~0) .cse0) .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-19 22:59:30,350 INFO L264 CegarLoopResult]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (let ((.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse13 .cse10 .cse11 .cse14)) (.cse4 (and .cse7 .cse8 .cse13 .cse14 .cse12)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse3 .cse6 (and .cse7 .cse8 .cse9) .cse4 (and .cse10 .cse11 .cse9) .cse2) (or (and .cse10 .cse9) (and (= 2 ~waterLevel~0) .cse9 .cse12) (not (= 0 |old(~pumpRunning~0)|)) .cse6 .cse2) (or .cse5 .cse0 .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse4 .cse2)))) [2020-07-19 22:59:30,350 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse3 .cse1 .cse2))) [2020-07-19 22:59:30,351 INFO L268 CegarLoopResult]: For program point L327(lines 323 345) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L268 CegarLoopResult]: For program point L325(lines 323 345) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2020-07-19 22:59:30,351 INFO L271 CegarLoopResult]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2020-07-19 22:59:30,351 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2020-07-19 22:59:30,351 INFO L271 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: true [2020-07-19 22:59:30,352 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-07-19 22:59:30,352 INFO L271 CegarLoopResult]: At program point L238(lines 213 242) the Hoare annotation is: true [2020-07-19 22:59:30,352 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2020-07-19 22:59:30,352 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-19 22:59:30,352 INFO L271 CegarLoopResult]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2020-07-19 22:59:30,352 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:30,352 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2020-07-19 22:59:30,352 INFO L268 CegarLoopResult]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2020-07-19 22:59:30,353 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2020-07-19 22:59:30,353 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2020-07-19 22:59:30,353 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,353 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:59:30,353 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:59:30,353 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:30,353 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2020-07-19 22:59:30,353 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse3 .cse1 (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0)) (or .cse0 .cse3 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 22:59:30,353 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2020-07-19 22:59:30,354 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,354 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2020-07-19 22:59:30,354 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,354 INFO L268 CegarLoopResult]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2020-07-19 22:59:30,354 INFO L264 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,354 INFO L264 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse1))) [2020-07-19 22:59:30,354 INFO L268 CegarLoopResult]: For program point L363(lines 363 371) no Hoare annotation was computed. [2020-07-19 22:59:30,354 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point L361-1(line 361) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point L359(lines 359 376) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 |old(~waterLevel~0)|)) (= 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse0 .cse1) (or .cse2 .cse3 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2020-07-19 22:59:30,355 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2020-07-19 22:59:30,356 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2020-07-19 22:59:30,356 INFO L268 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-07-19 22:59:30,356 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2020-07-19 22:59:30,356 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,356 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:59:30,356 INFO L268 CegarLoopResult]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2020-07-19 22:59:30,356 INFO L264 CegarLoopResult]: At program point L395(line 395) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,356 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,357 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-19 22:59:30,357 INFO L264 CegarLoopResult]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:30,357 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-07-19 22:59:30,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:59:30 BoogieIcfgContainer [2020-07-19 22:59:30,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:59:30,377 INFO L168 Benchmark]: Toolchain (without parser) took 85387.06 ms. Allocated memory was 138.9 MB in the beginning and 996.1 MB in the end (delta: 857.2 MB). Free memory was 102.3 MB in the beginning and 132.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 865.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,377 INFO L168 Benchmark]: CDTParser took 1.73 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.93 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 170.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,378 INFO L168 Benchmark]: Boogie Preprocessor took 93.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,379 INFO L168 Benchmark]: RCFGBuilder took 1353.64 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.3 MB in the beginning and 191.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,379 INFO L168 Benchmark]: TraceAbstraction took 83222.34 ms. Allocated memory was 237.0 MB in the beginning and 996.1 MB in the end (delta: 759.2 MB). Free memory was 191.6 MB in the beginning and 132.4 MB in the end (delta: 59.2 MB). Peak memory consumption was 856.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:30,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.93 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 170.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.0 MB in the beginning and 165.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1353.64 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.3 MB in the beginning and 191.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 83222.34 ms. Allocated memory was 237.0 MB in the beginning and 996.1 MB in the end (delta: 759.2 MB). Free memory was 191.6 MB in the beginning and 132.4 MB in the end (delta: 59.2 MB). Peak memory consumption was 856.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel <= 2) && 1 == systemActive) && 1 <= pumpRunning) || (((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 42.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1826 SDtfs, 4470 SDslu, 2608 SDs, 0 SdLazy, 12177 SolverSat, 3332 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1181 GetRequests, 940 SyntacticMatches, 7 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2054 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=919occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 549 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1855 PreInvPairs, 2047 NumberOfFragments, 2172 HoareAnnotationTreeSize, 1855 FomulaSimplifications, 175676298 FormulaSimplificationTreeSizeReduction, 8.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 3353566 FormulaSimplificationTreeSizeReductionInter, 22.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1722 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 742947 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2131 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 619/683 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...