/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_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:22,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:22,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:22,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:22,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:22,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:22,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:22,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:22,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:22,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:22,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:22,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:22,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:22,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:22,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:22,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:22,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:22,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:22,935 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:22,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:22,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:22,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:22,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:22,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:22,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:22,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:22,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:22,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:22,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:22,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:22,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:22,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:22,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:22,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:22,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:22,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:22,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:22,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:22,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:22,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:22,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:22,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:42:22,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:22,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:22,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:22,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:22,977 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:22,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:22,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:22,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:22,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:22,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:22,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:22,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:22,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:22,980 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:22,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:22,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:22,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:22,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:22,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:22,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:22,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:22,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:22,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:22,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:22,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:22,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:22,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:22,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:22,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:22,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:42:23,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:23,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:23,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:23,264 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:23,264 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:23,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 10:42:23,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12216e866/2713eb3efa4f4ee88d46859304149641/FLAGebc3e7c6b [2020-07-20 10:42:23,908 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:23,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2020-07-20 10:42:23,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12216e866/2713eb3efa4f4ee88d46859304149641/FLAGebc3e7c6b [2020-07-20 10:42:24,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12216e866/2713eb3efa4f4ee88d46859304149641 [2020-07-20 10:42:24,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:24,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:24,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:24,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:24,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:24,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@823dbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24, skipping insertion in model container [2020-07-20 10:42:24,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:24,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:24,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:24,730 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:24,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:24,869 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:24,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24 WrapperNode [2020-07-20 10:42:24,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:24,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:24,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:24,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:24,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... [2020-07-20 10:42:24,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:24,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:24,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:24,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:24,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:25,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:25,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:25,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:25,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:42:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:42:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:25,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:25,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:25,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:25,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:25,076 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 10:42:25,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:25,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:26,146 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:26,146 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:26,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:26 BoogieIcfgContainer [2020-07-20 10:42:26,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:26,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:26,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:26,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:26,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:24" (1/3) ... [2020-07-20 10:42:26,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616c0d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:26, skipping insertion in model container [2020-07-20 10:42:26,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:24" (2/3) ... [2020-07-20 10:42:26,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@616c0d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:26, skipping insertion in model container [2020-07-20 10:42:26,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:26" (3/3) ... [2020-07-20 10:42:26,159 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2020-07-20 10:42:26,170 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:26,177 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:26,191 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:26,215 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:26,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:26,216 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:26,216 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:26,216 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:26,217 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:26,217 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:26,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-20 10:42:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:42:26,250 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:26,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:26,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:26,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:26,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2020-07-20 10:42:26,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:26,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102047332] [2020-07-20 10:42:26,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:26,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:26,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:26,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:26,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102047332] [2020-07-20 10:42:26,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:26,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:26,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772277515] [2020-07-20 10:42:26,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:26,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:26,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:26,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:26,589 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-20 10:42:26,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:26,669 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2020-07-20 10:42:26,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:26,670 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2020-07-20 10:42:26,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:26,688 INFO L225 Difference]: With dead ends: 306 [2020-07-20 10:42:26,688 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 10:42:26,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:26,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 10:42:26,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 10:42:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 10:42:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-07-20 10:42:26,749 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-07-20 10:42:26,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:26,750 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-07-20 10:42:26,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-07-20 10:42:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 10:42:26,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:26,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:26,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:26,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:26,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:26,969 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2020-07-20 10:42:26,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:26,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968677504] [2020-07-20 10:42:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:27,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:27,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:27,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:27,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968677504] [2020-07-20 10:42:27,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:27,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:27,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48242439] [2020-07-20 10:42:27,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:27,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:27,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:27,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:27,252 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2020-07-20 10:42:27,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:27,275 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2020-07-20 10:42:27,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:27,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-07-20 10:42:27,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:27,279 INFO L225 Difference]: With dead ends: 251 [2020-07-20 10:42:27,279 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 10:42:27,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:27,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 10:42:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 10:42:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 10:42:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-07-20 10:42:27,296 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-07-20 10:42:27,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:27,297 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-07-20 10:42:27,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-07-20 10:42:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 10:42:27,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:27,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:27,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:27,513 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:27,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:27,514 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2020-07-20 10:42:27,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:27,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911385707] [2020-07-20 10:42:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:27,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:42:27,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:27,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:27,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911385707] [2020-07-20 10:42:27,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:27,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:27,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731329683] [2020-07-20 10:42:27,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:27,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:27,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:27,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:27,728 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2020-07-20 10:42:27,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:27,749 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2020-07-20 10:42:27,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:27,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 10:42:27,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:27,752 INFO L225 Difference]: With dead ends: 264 [2020-07-20 10:42:27,752 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 10:42:27,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:27,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 10:42:27,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-20 10:42:27,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-20 10:42:27,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-20 10:42:27,768 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-07-20 10:42:27,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:27,768 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-20 10:42:27,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:27,769 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-20 10:42:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 10:42:27,771 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:27,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:27,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:27,987 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:27,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2020-07-20 10:42:27,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:27,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [69429245] [2020-07-20 10:42:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:28,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:28,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:28,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:28,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [69429245] [2020-07-20 10:42:28,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:28,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:28,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018464091] [2020-07-20 10:42:28,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:28,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:28,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:28,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:28,260 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 6 states. [2020-07-20 10:42:28,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:28,489 INFO L93 Difference]: Finished difference Result 375 states and 468 transitions. [2020-07-20 10:42:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:28,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-07-20 10:42:28,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:28,495 INFO L225 Difference]: With dead ends: 375 [2020-07-20 10:42:28,496 INFO L226 Difference]: Without dead ends: 255 [2020-07-20 10:42:28,497 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:28,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-07-20 10:42:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2020-07-20 10:42:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-20 10:42:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 308 transitions. [2020-07-20 10:42:28,525 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 308 transitions. Word has length 76 [2020-07-20 10:42:28,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:28,526 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 308 transitions. [2020-07-20 10:42:28,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 308 transitions. [2020-07-20 10:42:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-07-20 10:42:28,529 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:28,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:28,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:28,743 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:28,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:28,744 INFO L82 PathProgramCache]: Analyzing trace with hash 214185769, now seen corresponding path program 1 times [2020-07-20 10:42:28,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:28,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736886069] [2020-07-20 10:42:28,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:28,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 10:42:28,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:28,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:28,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736886069] [2020-07-20 10:42:28,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:28,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:28,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087120242] [2020-07-20 10:42:28,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:28,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:28,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:28,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:28,932 INFO L87 Difference]: Start difference. First operand 253 states and 308 transitions. Second operand 6 states. [2020-07-20 10:42:29,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:29,599 INFO L93 Difference]: Finished difference Result 661 states and 842 transitions. [2020-07-20 10:42:29,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:42:29,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-07-20 10:42:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:29,605 INFO L225 Difference]: With dead ends: 661 [2020-07-20 10:42:29,605 INFO L226 Difference]: Without dead ends: 432 [2020-07-20 10:42:29,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:42:29,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-07-20 10:42:29,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 403. [2020-07-20 10:42:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 10:42:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 468 transitions. [2020-07-20 10:42:29,647 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 468 transitions. Word has length 80 [2020-07-20 10:42:29,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:29,647 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 468 transitions. [2020-07-20 10:42:29,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 468 transitions. [2020-07-20 10:42:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 10:42:29,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:29,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:29,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:29,864 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:29,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:29,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2020-07-20 10:42:29,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:29,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847193557] [2020-07-20 10:42:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:30,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:42:30,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:30,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:30,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847193557] [2020-07-20 10:42:30,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:30,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:42:30,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137083868] [2020-07-20 10:42:30,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:42:30,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:30,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:42:30,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:42:30,052 INFO L87 Difference]: Start difference. First operand 403 states and 468 transitions. Second operand 5 states. [2020-07-20 10:42:30,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:30,091 INFO L93 Difference]: Finished difference Result 785 states and 925 transitions. [2020-07-20 10:42:30,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:42:30,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-20 10:42:30,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:30,095 INFO L225 Difference]: With dead ends: 785 [2020-07-20 10:42:30,095 INFO L226 Difference]: Without dead ends: 406 [2020-07-20 10:42:30,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:42:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2020-07-20 10:42:30,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2020-07-20 10:42:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-07-20 10:42:30,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 467 transitions. [2020-07-20 10:42:30,127 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 467 transitions. Word has length 94 [2020-07-20 10:42:30,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:30,127 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 467 transitions. [2020-07-20 10:42:30,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:42:30,127 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 467 transitions. [2020-07-20 10:42:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 10:42:30,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:30,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:30,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:30,344 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:30,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2020-07-20 10:42:30,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:30,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983203140] [2020-07-20 10:42:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:30,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:30,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:30,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:30,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983203140] [2020-07-20 10:42:30,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:30,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:30,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533020360] [2020-07-20 10:42:30,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:30,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:30,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:30,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:30,584 INFO L87 Difference]: Start difference. First operand 403 states and 467 transitions. Second operand 6 states. [2020-07-20 10:42:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:30,642 INFO L93 Difference]: Finished difference Result 778 states and 921 transitions. [2020-07-20 10:42:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:30,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 10:42:30,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:30,648 INFO L225 Difference]: With dead ends: 778 [2020-07-20 10:42:30,648 INFO L226 Difference]: Without dead ends: 399 [2020-07-20 10:42:30,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:42:30,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-07-20 10:42:30,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 396. [2020-07-20 10:42:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 10:42:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 459 transitions. [2020-07-20 10:42:30,694 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 459 transitions. Word has length 94 [2020-07-20 10:42:30,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:30,694 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 459 transitions. [2020-07-20 10:42:30,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 459 transitions. [2020-07-20 10:42:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 10:42:30,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:30,700 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:30,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:30,914 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:30,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:30,915 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2020-07-20 10:42:30,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:30,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1161845308] [2020-07-20 10:42:30,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:31,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:42:31,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:42:31,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:31,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1161845308] [2020-07-20 10:42:31,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:31,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:31,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41032775] [2020-07-20 10:42:31,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:31,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:31,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:31,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:31,133 INFO L87 Difference]: Start difference. First operand 396 states and 459 transitions. Second operand 6 states. [2020-07-20 10:42:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:31,354 INFO L93 Difference]: Finished difference Result 401 states and 464 transitions. [2020-07-20 10:42:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:31,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-20 10:42:31,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:31,360 INFO L225 Difference]: With dead ends: 401 [2020-07-20 10:42:31,360 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 10:42:31,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:31,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 10:42:31,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 396. [2020-07-20 10:42:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-07-20 10:42:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2020-07-20 10:42:31,385 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 95 [2020-07-20 10:42:31,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:31,386 INFO L479 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2020-07-20 10:42:31,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2020-07-20 10:42:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-20 10:42:31,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:31,389 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:31,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:31,604 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:31,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:31,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2020-07-20 10:42:31,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:31,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240651483] [2020-07-20 10:42:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:31,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:42:31,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:42:31,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:42:32,152 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:42:32,188 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:42:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-20 10:42:32,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240651483] [2020-07-20 10:42:32,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:42:32,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 15 [2020-07-20 10:42:32,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340611546] [2020-07-20 10:42:32,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 10:42:32,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:32,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 10:42:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-20 10:42:32,332 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 15 states. [2020-07-20 10:42:33,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:33,562 INFO L93 Difference]: Finished difference Result 1019 states and 1350 transitions. [2020-07-20 10:42:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 10:42:33,563 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2020-07-20 10:42:33,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:33,564 INFO L225 Difference]: With dead ends: 1019 [2020-07-20 10:42:33,564 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:33,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 264 SyntacticMatches, 12 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-20 10:42:33,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:33,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:33,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2020-07-20 10:42:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:33,569 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:33,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 10:42:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:33,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:33,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:33,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:35,228 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-07-20 10:42:35,542 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2020-07-20 10:42:36,825 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-20 10:42:36,922 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-20 10:42:36,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-20 10:42:36,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-20 10:42:36,923 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 10:42:36,923 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-20 10:42:36,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-20 10:42:36,924 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 10:42:36,924 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-20 10:42:36,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-20 10:42:36,924 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-20 10:42:36,924 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-20 10:42:36,925 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 10:42:36,925 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-20 10:42:36,925 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2020-07-20 10:42:36,925 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2020-07-20 10:42:36,925 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2020-07-20 10:42:36,925 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2020-07-20 10:42:36,926 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2020-07-20 10:42:36,926 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,926 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2020-07-20 10:42:36,926 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,926 INFO L264 CegarLoopResult]: At program point L241-1(line 241) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,927 INFO L268 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2020-07-20 10:42:36,927 INFO L268 CegarLoopResult]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2020-07-20 10:42:36,927 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2020-07-20 10:42:36,927 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2020-07-20 10:42:36,927 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,927 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,928 INFO L264 CegarLoopResult]: At program point L235-1(line 235) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 10:42:36,928 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 10:42:36,929 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-07-20 10:42:36,930 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2020-07-20 10:42:36,930 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L271 CegarLoopResult]: At program point L978(line 978) the Hoare annotation is: true [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point L923(lines 923 931) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2020-07-20 10:42:36,931 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point L935(lines 935 943) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2020-07-20 10:42:36,932 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2020-07-20 10:42:36,933 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2020-07-20 10:42:36,934 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point L861-1(line 861) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2020-07-20 10:42:36,935 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2020-07-20 10:42:36,936 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,936 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,936 INFO L268 CegarLoopResult]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2020-07-20 10:42:36,936 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,936 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2020-07-20 10:42:36,936 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2020-07-20 10:42:36,936 INFO L264 CegarLoopResult]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,936 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-20 10:42:36,936 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-20 10:42:36,936 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2020-07-20 10:42:36,936 INFO L268 CegarLoopResult]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L264 CegarLoopResult]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= ~waterLevel~0 2) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:36,937 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (and (<= ~waterLevel~0 2) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:42:36,937 INFO L268 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L268 CegarLoopResult]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L268 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L264 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:36,937 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L264 CegarLoopResult]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-20 10:42:36,937 INFO L268 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2020-07-20 10:42:36,937 INFO L264 CegarLoopResult]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2))) [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:42:36,938 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-20 10:42:36,938 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2020-07-20 10:42:36,939 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-20 10:42:36,940 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-20 10:42:36,941 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-20 10:42:36,942 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,942 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:42:36,942 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,942 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2020-07-20 10:42:36,942 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2020-07-20 10:42:36,942 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:36,942 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 10:42:36,942 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L271 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: true [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point L959-1(line 959) no Hoare annotation was computed. [2020-07-20 10:42:36,943 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2020-07-20 10:42:36,943 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:42:36,944 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-20 10:42:36,945 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1)) (not (<= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse1 (= 0 ~pumpRunning~0))))) [2020-07-20 10:42:36,945 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and .cse2 (= 0 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse2) (or .cse0 .cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2)) .cse1))) [2020-07-20 10:42:36,945 INFO L264 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3 (and .cse4 .cse5) (and (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))) (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (and .cse1 .cse4 .cse5) (not (<= 1 |old(~pumpRunning~0)|)) .cse3))) [2020-07-20 10:42:36,945 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2020-07-20 10:42:36,945 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 2)) .cse1))) [2020-07-20 10:42:36,946 INFO L268 CegarLoopResult]: For program point L775(lines 774 793) no Hoare annotation was computed. [2020-07-20 10:42:36,946 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2020-07-20 10:42:36,946 INFO L271 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2020-07-20 10:42:36,946 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2020-07-20 10:42:36,946 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-07-20 10:42:36,946 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-07-20 10:42:36,946 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2020-07-20 10:42:36,946 INFO L271 CegarLoopResult]: At program point L178(lines 153 182) the Hoare annotation is: true [2020-07-20 10:42:36,947 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-20 10:42:36,947 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-07-20 10:42:36,947 INFO L271 CegarLoopResult]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2020-07-20 10:42:36,947 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 10:42:36,947 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:42:36,947 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2020-07-20 10:42:36,947 INFO L268 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2020-07-20 10:42:36,947 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2020-07-20 10:42:36,948 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:42:36,948 INFO L268 CegarLoopResult]: For program point L280-1(line 280) no Hoare annotation was computed. [2020-07-20 10:42:36,948 INFO L268 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2020-07-20 10:42:36,948 INFO L268 CegarLoopResult]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2020-07-20 10:42:36,948 INFO L271 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: true [2020-07-20 10:42:36,948 INFO L268 CegarLoopResult]: For program point L276-1(line 276) no Hoare annotation was computed. [2020-07-20 10:42:36,948 INFO L268 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2020-07-20 10:42:36,949 INFO L271 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: true [2020-07-20 10:42:36,949 INFO L268 CegarLoopResult]: For program point L270-1(line 270) no Hoare annotation was computed. [2020-07-20 10:42:36,949 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2020-07-20 10:42:36,949 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:42:36,949 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-20 10:42:36,949 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2020-07-20 10:42:36,949 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2020-07-20 10:42:36,949 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,950 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:42:36,950 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:36,950 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:36,950 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2020-07-20 10:42:36,950 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 |old(~systemActive~0)|))) (.cse1 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse2 .cse1))) [2020-07-20 10:42:36,950 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2020-07-20 10:42:36,951 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,951 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2020-07-20 10:42:36,951 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,951 INFO L268 CegarLoopResult]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2020-07-20 10:42:36,951 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse1)))) [2020-07-20 10:42:36,951 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (let ((.cse1 (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse1) (and .cse1 .cse2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)))) [2020-07-20 10:42:36,952 INFO L268 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-07-20 10:42:36,952 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,952 INFO L268 CegarLoopResult]: For program point L809-1(line 809) no Hoare annotation was computed. [2020-07-20 10:42:36,952 INFO L268 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-07-20 10:42:36,952 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:42:36,952 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-20 10:42:36,952 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse1 (<= ~waterLevel~0 2) (not (<= |old(~waterLevel~0)| 2)) .cse3))) [2020-07-20 10:42:36,953 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-20 10:42:36,953 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2020-07-20 10:42:36,953 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2020-07-20 10:42:36,953 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-20 10:42:36,953 INFO L268 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2020-07-20 10:42:36,953 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2020-07-20 10:42:36,954 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,954 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:36,954 INFO L268 CegarLoopResult]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2020-07-20 10:42:36,954 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,954 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,954 INFO L268 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2020-07-20 10:42:36,954 INFO L264 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:42:36,955 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 10:42:36,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:36 BoogieIcfgContainer [2020-07-20 10:42:36,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:36,973 INFO L168 Benchmark]: Toolchain (without parser) took 12738.94 ms. Allocated memory was 138.4 MB in the beginning and 362.3 MB in the end (delta: 223.9 MB). Free memory was 102.2 MB in the beginning and 114.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 241.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,974 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.10 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 168.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,976 INFO L168 Benchmark]: Boogie Preprocessor took 120.07 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 163.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,977 INFO L168 Benchmark]: RCFGBuilder took 1160.29 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 163.9 MB in the beginning and 191.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,977 INFO L168 Benchmark]: TraceAbstraction took 10818.60 ms. Allocated memory was 234.9 MB in the beginning and 362.3 MB in the end (delta: 127.4 MB). Free memory was 191.1 MB in the beginning and 114.8 MB in the end (delta: 76.3 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:36,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.10 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 168.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.07 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 163.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.29 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 163.9 MB in the beginning and 191.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10818.60 ms. Allocated memory was 234.9 MB in the beginning and 362.3 MB in the end (delta: 127.4 MB). Free memory was 191.1 MB in the beginning and 114.8 MB in the end (delta: 76.3 MB). Peak memory consumption was 233.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || (((waterLevel <= 2 && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1649 SDtfs, 1129 SDslu, 3213 SDs, 0 SdLazy, 1503 SolverSat, 539 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 899 GetRequests, 838 SyntacticMatches, 12 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 39 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1182 PreInvPairs, 1362 NumberOfFragments, 1339 HoareAnnotationTreeSize, 1182 FomulaSimplifications, 1900 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 2939 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 878 ConstructedInterpolants, 0 QuantifiedInterpolants, 165155 SizeOfPredicates, 26 NumberOfNonLiveVariables, 6608 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 50/62 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...