/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:01,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:01,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:01,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:01,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:01,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:01,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:01,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:01,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:01,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:01,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:01,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:01,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:01,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:01,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:01,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:01,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:01,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:01,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:01,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:01,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:01,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:01,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:01,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:01,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:01,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:01,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:01,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:01,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:01,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:01,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:01,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:01,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:01,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:01,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:01,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:01,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:01,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:01,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:01,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:01,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:01,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:39:01,919 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:01,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:01,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:01,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:01,924 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:01,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:01,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:01,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:01,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:01,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:01,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:01,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:01,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:01,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:01,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:01,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:01,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:01,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:01,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:01,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:01,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:01,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:01,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:01,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:01,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:39:02,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:02,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:02,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:02,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:02,236 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:02,237 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-21 10:39:02,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d026458/d09bd47e2f914984a28e6718376fa8e2/FLAG1a84dc95c [2020-07-21 10:39:02,828 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:02,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-07-21 10:39:02,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d026458/d09bd47e2f914984a28e6718376fa8e2/FLAG1a84dc95c [2020-07-21 10:39:03,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d026458/d09bd47e2f914984a28e6718376fa8e2 [2020-07-21 10:39:03,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:03,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:03,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:03,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:03,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:03,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2271f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03, skipping insertion in model container [2020-07-21 10:39:03,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:03,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:03,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:03,632 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:03,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:03,803 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:03,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03 WrapperNode [2020-07-21 10:39:03,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:03,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:03,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:03,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:03,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... [2020-07-21 10:39:03,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:03,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:03,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:03,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:03,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:03,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:03,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:39:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:03,980 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:39:03,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:03,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:03,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:03,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:03,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:39:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:03,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:03,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:03,992 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:03,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:05,079 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:05,079 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:05,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:05 BoogieIcfgContainer [2020-07-21 10:39:05,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:05,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:05,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:05,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:05,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:03" (1/3) ... [2020-07-21 10:39:05,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d10dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:05, skipping insertion in model container [2020-07-21 10:39:05,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:03" (2/3) ... [2020-07-21 10:39:05,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d10dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:05, skipping insertion in model container [2020-07-21 10:39:05,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:05" (3/3) ... [2020-07-21 10:39:05,093 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-07-21 10:39:05,103 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:05,110 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:05,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:05,148 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:05,149 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:05,149 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:05,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:05,149 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:05,150 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:05,150 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:05,150 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-07-21 10:39:05,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:05,183 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:05,184 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] [2020-07-21 10:39:05,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:05,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:05,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2020-07-21 10:39:05,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:05,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433599880] [2020-07-21 10:39:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:05,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:05,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:05,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:05,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433599880] [2020-07-21 10:39:05,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:05,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:05,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223964761] [2020-07-21 10:39:05,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:05,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:05,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:05,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:05,551 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2020-07-21 10:39:05,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:05,603 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions. [2020-07-21 10:39:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:05,605 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:05,621 INFO L225 Difference]: With dead ends: 328 [2020-07-21 10:39:05,621 INFO L226 Difference]: Without dead ends: 166 [2020-07-21 10:39:05,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:05,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-21 10:39:05,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-07-21 10:39:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-21 10:39:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2020-07-21 10:39:05,698 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2020-07-21 10:39:05,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:05,699 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2020-07-21 10:39:05,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2020-07-21 10:39:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:05,704 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:05,705 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] [2020-07-21 10:39:05,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,919 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:05,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:05,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2020-07-21 10:39:05,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:05,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993855068] [2020-07-21 10:39:05,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:06,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:06,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:06,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:06,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993855068] [2020-07-21 10:39:06,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:06,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:06,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952664183] [2020-07-21 10:39:06,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:06,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:06,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:06,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,179 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states. [2020-07-21 10:39:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:06,203 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2020-07-21 10:39:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:06,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:06,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:06,206 INFO L225 Difference]: With dead ends: 267 [2020-07-21 10:39:06,207 INFO L226 Difference]: Without dead ends: 157 [2020-07-21 10:39:06,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-21 10:39:06,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-21 10:39:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-21 10:39:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2020-07-21 10:39:06,231 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2020-07-21 10:39:06,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:06,232 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2020-07-21 10:39:06,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2020-07-21 10:39:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:39:06,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:06,238 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] [2020-07-21 10:39:06,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,454 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:06,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:06,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2020-07-21 10:39:06,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:06,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [933007452] [2020-07-21 10:39:06,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:06,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:06,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:06,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:06,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [933007452] [2020-07-21 10:39:06,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:06,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:06,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801265684] [2020-07-21 10:39:06,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:06,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:06,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:06,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,673 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 3 states. [2020-07-21 10:39:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:06,713 INFO L93 Difference]: Finished difference Result 411 states and 495 transitions. [2020-07-21 10:39:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:06,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:39:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:06,718 INFO L225 Difference]: With dead ends: 411 [2020-07-21 10:39:06,719 INFO L226 Difference]: Without dead ends: 282 [2020-07-21 10:39:06,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:06,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-21 10:39:06,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 276. [2020-07-21 10:39:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-07-21 10:39:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 331 transitions. [2020-07-21 10:39:06,750 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 331 transitions. Word has length 65 [2020-07-21 10:39:06,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:06,751 INFO L479 AbstractCegarLoop]: Abstraction has 276 states and 331 transitions. [2020-07-21 10:39:06,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:06,751 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 331 transitions. [2020-07-21 10:39:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:06,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:06,754 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:06,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:06,968 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:06,969 INFO L82 PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times [2020-07-21 10:39:06,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:06,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534246790] [2020-07-21 10:39:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:07,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:07,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:07,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:07,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:07,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534246790] [2020-07-21 10:39:07,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:07,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:07,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812932282] [2020-07-21 10:39:07,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:07,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:07,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:07,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:07,224 INFO L87 Difference]: Start difference. First operand 276 states and 331 transitions. Second operand 6 states. [2020-07-21 10:39:07,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:07,540 INFO L93 Difference]: Finished difference Result 656 states and 825 transitions. [2020-07-21 10:39:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:07,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:07,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:07,546 INFO L225 Difference]: With dead ends: 656 [2020-07-21 10:39:07,546 INFO L226 Difference]: Without dead ends: 408 [2020-07-21 10:39:07,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:39:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-21 10:39:07,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 398. [2020-07-21 10:39:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-21 10:39:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 481 transitions. [2020-07-21 10:39:07,588 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 481 transitions. Word has length 70 [2020-07-21 10:39:07,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:07,589 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 481 transitions. [2020-07-21 10:39:07,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 481 transitions. [2020-07-21 10:39:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 10:39:07,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:07,592 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] [2020-07-21 10:39:07,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:07,805 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2020-07-21 10:39:07,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:07,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064426549] [2020-07-21 10:39:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:08,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:08,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:08,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:08,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064426549] [2020-07-21 10:39:08,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:08,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:08,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934484889] [2020-07-21 10:39:08,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:08,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:08,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:08,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:08,093 INFO L87 Difference]: Start difference. First operand 398 states and 481 transitions. Second operand 6 states. [2020-07-21 10:39:08,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:08,149 INFO L93 Difference]: Finished difference Result 778 states and 962 transitions. [2020-07-21 10:39:08,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:08,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-21 10:39:08,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:08,155 INFO L225 Difference]: With dead ends: 778 [2020-07-21 10:39:08,155 INFO L226 Difference]: Without dead ends: 408 [2020-07-21 10:39:08,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:08,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-21 10:39:08,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2020-07-21 10:39:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-07-21 10:39:08,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 491 transitions. [2020-07-21 10:39:08,211 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 491 transitions. Word has length 98 [2020-07-21 10:39:08,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:08,212 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 491 transitions. [2020-07-21 10:39:08,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:08,212 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2020-07-21 10:39:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 10:39:08,214 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:08,214 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] [2020-07-21 10:39:08,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,428 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:08,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:08,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2020-07-21 10:39:08,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:08,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166229844] [2020-07-21 10:39:08,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:08,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:08,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:08,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:08,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166229844] [2020-07-21 10:39:08,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:08,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:08,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13825929] [2020-07-21 10:39:08,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:08,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:08,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:08,646 INFO L87 Difference]: Start difference. First operand 408 states and 491 transitions. Second operand 5 states. [2020-07-21 10:39:08,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:08,684 INFO L93 Difference]: Finished difference Result 802 states and 1004 transitions. [2020-07-21 10:39:08,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:08,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-07-21 10:39:08,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:08,687 INFO L225 Difference]: With dead ends: 802 [2020-07-21 10:39:08,688 INFO L226 Difference]: Without dead ends: 422 [2020-07-21 10:39:08,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-07-21 10:39:08,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2020-07-21 10:39:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-07-21 10:39:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 499 transitions. [2020-07-21 10:39:08,713 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 499 transitions. Word has length 98 [2020-07-21 10:39:08,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:08,714 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 499 transitions. [2020-07-21 10:39:08,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 499 transitions. [2020-07-21 10:39:08,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-21 10:39:08,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:08,716 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] [2020-07-21 10:39:08,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,930 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2020-07-21 10:39:08,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:08,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1936392784] [2020-07-21 10:39:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:09,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:09,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:09,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:09,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1936392784] [2020-07-21 10:39:09,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:09,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:09,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449014937] [2020-07-21 10:39:09,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:09,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:09,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:09,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:09,162 INFO L87 Difference]: Start difference. First operand 416 states and 499 transitions. Second operand 3 states. [2020-07-21 10:39:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:09,207 INFO L93 Difference]: Finished difference Result 1150 states and 1461 transitions. [2020-07-21 10:39:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:09,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-07-21 10:39:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:09,212 INFO L225 Difference]: With dead ends: 1150 [2020-07-21 10:39:09,213 INFO L226 Difference]: Without dead ends: 762 [2020-07-21 10:39:09,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2020-07-21 10:39:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 759. [2020-07-21 10:39:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-07-21 10:39:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 936 transitions. [2020-07-21 10:39:09,264 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 936 transitions. Word has length 98 [2020-07-21 10:39:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:09,264 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 936 transitions. [2020-07-21 10:39:09,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 936 transitions. [2020-07-21 10:39:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-21 10:39:09,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:09,267 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] [2020-07-21 10:39:09,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:09,482 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:09,483 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2020-07-21 10:39:09,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:09,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116205688] [2020-07-21 10:39:09,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:09,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:09,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:09,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:09,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116205688] [2020-07-21 10:39:09,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:09,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:09,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60207557] [2020-07-21 10:39:09,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:09,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:09,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:09,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:09,794 INFO L87 Difference]: Start difference. First operand 759 states and 936 transitions. Second operand 10 states. [2020-07-21 10:39:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:11,523 INFO L93 Difference]: Finished difference Result 2202 states and 3047 transitions. [2020-07-21 10:39:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:11,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 102 [2020-07-21 10:39:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:11,534 INFO L225 Difference]: With dead ends: 2202 [2020-07-21 10:39:11,535 INFO L226 Difference]: Without dead ends: 1471 [2020-07-21 10:39:11,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:11,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-07-21 10:39:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1096. [2020-07-21 10:39:11,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-07-21 10:39:11,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1351 transitions. [2020-07-21 10:39:11,621 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1351 transitions. Word has length 102 [2020-07-21 10:39:11,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:11,622 INFO L479 AbstractCegarLoop]: Abstraction has 1096 states and 1351 transitions. [2020-07-21 10:39:11,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1351 transitions. [2020-07-21 10:39:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-21 10:39:11,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:11,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:11,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:11,841 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:11,842 INFO L82 PathProgramCache]: Analyzing trace with hash -36211005, now seen corresponding path program 1 times [2020-07-21 10:39:11,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:11,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741373938] [2020-07-21 10:39:11,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:12,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:12,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741373938] [2020-07-21 10:39:12,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:12,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:12,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125401553] [2020-07-21 10:39:12,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:12,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:12,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:12,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:12,073 INFO L87 Difference]: Start difference. First operand 1096 states and 1351 transitions. Second operand 3 states. [2020-07-21 10:39:12,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:12,206 INFO L93 Difference]: Finished difference Result 1835 states and 2260 transitions. [2020-07-21 10:39:12,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:12,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-07-21 10:39:12,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:12,213 INFO L225 Difference]: With dead ends: 1835 [2020-07-21 10:39:12,213 INFO L226 Difference]: Without dead ends: 767 [2020-07-21 10:39:12,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:12,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-07-21 10:39:12,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 747. [2020-07-21 10:39:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-07-21 10:39:12,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 898 transitions. [2020-07-21 10:39:12,264 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 898 transitions. Word has length 143 [2020-07-21 10:39:12,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:12,264 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 898 transitions. [2020-07-21 10:39:12,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 898 transitions. [2020-07-21 10:39:12,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-21 10:39:12,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:12,269 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] [2020-07-21 10:39:12,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,484 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:12,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:12,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times [2020-07-21 10:39:12,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:12,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780324934] [2020-07-21 10:39:12,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:12,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:39:13,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780324934] [2020-07-21 10:39:13,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:13,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:13,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880397953] [2020-07-21 10:39:13,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:13,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:13,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:13,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:13,229 INFO L87 Difference]: Start difference. First operand 747 states and 898 transitions. Second operand 10 states. [2020-07-21 10:39:14,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:14,188 INFO L93 Difference]: Finished difference Result 1641 states and 1988 transitions. [2020-07-21 10:39:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:14,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 180 [2020-07-21 10:39:14,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:14,191 INFO L225 Difference]: With dead ends: 1641 [2020-07-21 10:39:14,191 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:14,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:14,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2020-07-21 10:39:14,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:14,198 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:14,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:14,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:14,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:14,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:14,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:15,939 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:16,315 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-21 10:39:16,452 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 10:39:16,616 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:17,094 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 45 [2020-07-21 10:39:17,330 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 10:39:17,660 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 10:39:17,805 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-07-21 10:39:18,005 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2020-07-21 10:39:18,196 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 10:39:18,392 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:18,549 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 10:39:18,752 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-21 10:39:19,449 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 10:39:19,706 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:20,018 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 10:39:20,622 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 10:39:20,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2020-07-21 10:39:20,627 INFO L268 CegarLoopResult]: For program point L658(lines 658 662) no Hoare annotation was computed. [2020-07-21 10:39:20,627 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L674(lines 651 675) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L735(lines 708 736) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-21 10:39:20,628 INFO L268 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-21 10:39:20,629 INFO L268 CegarLoopResult]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2020-07-21 10:39:20,630 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2020-07-21 10:39:20,630 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2020-07-21 10:39:20,630 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2020-07-21 10:39:20,630 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2020-07-21 10:39:20,630 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2020-07-21 10:39:20,630 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: true [2020-07-21 10:39:20,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2020-07-21 10:39:20,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2020-07-21 10:39:20,631 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:20,631 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-21 10:39:20,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2020-07-21 10:39:20,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2020-07-21 10:39:20,631 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2020-07-21 10:39:20,632 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:20,632 INFO L268 CegarLoopResult]: For program point L558(lines 558 564) no Hoare annotation was computed. [2020-07-21 10:39:20,632 INFO L268 CegarLoopResult]: For program point L557(lines 557 567) no Hoare annotation was computed. [2020-07-21 10:39:20,632 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2020-07-21 10:39:20,632 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:20,632 INFO L268 CegarLoopResult]: For program point L555-1(line 555) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L553(lines 553 570) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L264 CegarLoopResult]: At program point L1026-1(line 1026) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2020-07-21 10:39:20,633 INFO L268 CegarLoopResult]: For program point L1022(line 1022) no Hoare annotation was computed. [2020-07-21 10:39:20,634 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,634 INFO L264 CegarLoopResult]: At program point L1021(line 1021) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,634 INFO L264 CegarLoopResult]: At program point L1020(line 1020) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,634 INFO L264 CegarLoopResult]: At program point L1020-1(line 1020) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,634 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2020-07-21 10:39:20,634 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L264 CegarLoopResult]: At program point L1026(line 1026) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point L989(line 989) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point L988(line 988) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point L987(line 987) no Hoare annotation was computed. [2020-07-21 10:39:20,635 INFO L268 CegarLoopResult]: For program point L986(line 986) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L985(line 985) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L984(line 984) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L983(line 983) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L982(line 982) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L980(line 980) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L979(line 979) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-21 10:39:20,636 INFO L268 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-07-21 10:39:20,637 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2020-07-21 10:39:20,637 INFO L264 CegarLoopResult]: At program point L391(line 391) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:20,637 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:20,637 INFO L268 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-07-21 10:39:20,637 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2020-07-21 10:39:20,637 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point L375(lines 375 379) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L271 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: true [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-21 10:39:20,638 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L318(lines 318 326) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L330(lines 330 338) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2020-07-21 10:39:20,639 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2020-07-21 10:39:20,640 INFO L268 CegarLoopResult]: For program point L914(lines 914 921) no Hoare annotation was computed. [2020-07-21 10:39:20,641 INFO L268 CegarLoopResult]: For program point L908(lines 908 928) no Hoare annotation was computed. [2020-07-21 10:39:20,641 INFO L268 CegarLoopResult]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2020-07-21 10:39:20,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2020-07-21 10:39:20,641 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2020-07-21 10:39:20,641 INFO L264 CegarLoopResult]: At program point L1008(line 1008) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,641 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,641 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2020-07-21 10:39:20,642 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2020-07-21 10:39:20,642 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2020-07-21 10:39:20,642 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2020-07-21 10:39:20,642 INFO L271 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: true [2020-07-21 10:39:20,642 INFO L268 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-07-21 10:39:20,642 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2020-07-21 10:39:20,642 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:20,643 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2020-07-21 10:39:20,643 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2020-07-21 10:39:20,643 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:39:20,643 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 10:39:20,643 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 10:39:20,643 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:39:20,643 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,644 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-21 10:39:20,644 INFO L268 CegarLoopResult]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-07-21 10:39:20,644 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2020-07-21 10:39:20,644 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,644 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,644 INFO L268 CegarLoopResult]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2020-07-21 10:39:20,645 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,645 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,645 INFO L268 CegarLoopResult]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-07-21 10:39:20,645 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2020-07-21 10:39:20,645 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2020-07-21 10:39:20,645 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,646 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:20,646 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-21 10:39:20,646 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-21 10:39:20,646 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2020-07-21 10:39:20,646 INFO L264 CegarLoopResult]: At program point L467(lines 420 469) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:20,646 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:20,647 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-21 10:39:20,647 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-21 10:39:20,647 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-21 10:39:20,647 INFO L264 CegarLoopResult]: At program point L470(lines 419 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:20,647 INFO L264 CegarLoopResult]: At program point L460(line 460) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:20,647 INFO L268 CegarLoopResult]: For program point L458(lines 458 464) no Hoare annotation was computed. [2020-07-21 10:39:20,648 INFO L264 CegarLoopResult]: At program point L458-1(lines 450 465) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:20,648 INFO L268 CegarLoopResult]: For program point L421(lines 420 469) no Hoare annotation was computed. [2020-07-21 10:39:20,648 INFO L264 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:20,648 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2020-07-21 10:39:20,648 INFO L268 CegarLoopResult]: For program point L450(lines 450 465) no Hoare annotation was computed. [2020-07-21 10:39:20,648 INFO L268 CegarLoopResult]: For program point L862(lines 862 882) no Hoare annotation was computed. [2020-07-21 10:39:20,648 INFO L268 CegarLoopResult]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point L868(lines 868 875) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:20,649 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2020-07-21 10:39:20,650 INFO L268 CegarLoopResult]: For program point L795(lines 794 814) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L791(lines 791 832) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L769(lines 769 773) no Hoare annotation was computed. [2020-07-21 10:39:20,651 INFO L268 CegarLoopResult]: For program point L833(lines 833 844) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point L796(lines 796 800) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point L815(lines 793 816) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point L774(lines 774 790) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,652 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:20,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,653 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-07-21 10:39:20,653 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-07-21 10:39:20,653 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:20,653 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 10:39:20,653 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:39:20,653 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point L354-1(line 354) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L271 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: true [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:39:20,654 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,655 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:39:20,655 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:39:20,656 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 10:39:20,656 INFO L264 CegarLoopResult]: At program point L177(lines 177 183) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-21 10:39:20,656 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 10:39:20,656 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point L170(lines 166 188) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point L168(lines 166 188) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2020-07-21 10:39:20,657 INFO L268 CegarLoopResult]: For program point L956(lines 956 960) no Hoare annotation was computed. [2020-07-21 10:39:20,657 INFO L271 CegarLoopResult]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2020-07-21 10:39:20,658 INFO L268 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2020-07-21 10:39:20,658 INFO L271 CegarLoopResult]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2020-07-21 10:39:20,658 INFO L271 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: true [2020-07-21 10:39:20,658 INFO L268 CegarLoopResult]: For program point L948-1(line 948) no Hoare annotation was computed. [2020-07-21 10:39:20,658 INFO L271 CegarLoopResult]: At program point L967(lines 942 971) the Hoare annotation is: true [2020-07-21 10:39:20,658 INFO L268 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-07-21 10:39:20,658 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:20,658 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2020-07-21 10:39:20,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:20,659 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:20,659 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2020-07-21 10:39:20,659 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: true [2020-07-21 10:39:20,660 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2020-07-21 10:39:20,660 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,660 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2020-07-21 10:39:20,660 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,660 INFO L268 CegarLoopResult]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2020-07-21 10:39:20,660 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,661 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,661 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-21 10:39:20,661 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,661 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-07-21 10:39:20,661 INFO L268 CegarLoopResult]: For program point L202(lines 202 219) no Hoare annotation was computed. [2020-07-21 10:39:20,661 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:39:20,661 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:39:20,661 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 10:39:20,662 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2020-07-21 10:39:20,662 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-07-21 10:39:20,662 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2020-07-21 10:39:20,662 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2020-07-21 10:39:20,662 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2020-07-21 10:39:20,662 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,662 INFO L264 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:20,663 INFO L268 CegarLoopResult]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2020-07-21 10:39:20,663 INFO L264 CegarLoopResult]: At program point L238(line 238) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,663 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,663 INFO L268 CegarLoopResult]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-07-21 10:39:20,663 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:20,663 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-21 10:39:20,663 INFO L268 CegarLoopResult]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-07-21 10:39:20,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:20 BoogieIcfgContainer [2020-07-21 10:39:20,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:20,689 INFO L168 Benchmark]: Toolchain (without parser) took 17588.99 ms. Allocated memory was 146.8 MB in the beginning and 434.1 MB in the end (delta: 287.3 MB). Free memory was 102.2 MB in the beginning and 370.1 MB in the end (delta: -267.8 MB). Peak memory consumption was 298.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,692 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.05 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.8 MB in the beginning and 172.5 MB in the end (delta: -70.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,694 INFO L168 Benchmark]: Boogie Preprocessor took 89.54 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,694 INFO L168 Benchmark]: RCFGBuilder took 1190.64 ms. Allocated memory was 205.0 MB in the beginning and 233.8 MB in the end (delta: 28.8 MB). Free memory was 167.9 MB in the beginning and 186.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,695 INFO L168 Benchmark]: TraceAbstraction took 15600.75 ms. Allocated memory was 233.8 MB in the beginning and 434.1 MB in the end (delta: 200.3 MB). Free memory was 186.9 MB in the beginning and 370.1 MB in the end (delta: -183.2 MB). Peak memory consumption was 295.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:20,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.05 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.8 MB in the beginning and 172.5 MB in the end (delta: -70.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.54 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 167.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1190.64 ms. Allocated memory was 205.0 MB in the beginning and 233.8 MB in the end (delta: 28.8 MB). Free memory was 167.9 MB in the beginning and 186.9 MB in the end (delta: -19.0 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15600.75 ms. Allocated memory was 233.8 MB in the beginning and 434.1 MB in the end (delta: 200.3 MB). Free memory was 186.9 MB in the beginning and 370.1 MB in the end (delta: -183.2 MB). Peak memory consumption was 295.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2227 SDtfs, 1250 SDslu, 3780 SDs, 0 SdLazy, 1822 SolverSat, 465 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1166 GetRequests, 1107 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1096occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 420 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2205 PreInvPairs, 2322 NumberOfFragments, 2330 HoareAnnotationTreeSize, 2205 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 74 FomulaSimplificationsInter, 9841 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 973 NumberOfCodeBlocks, 973 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1142 ConstructedInterpolants, 0 QuantifiedInterpolants, 252138 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7935 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 126/152 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...