/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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:13,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:13,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:13,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:13,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:13,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:13,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:13,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:13,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:13,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:13,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:13,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:13,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:13,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:13,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:13,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:13,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:13,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:13,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:13,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:13,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:13,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:13,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:13,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:13,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:13,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:13,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:13,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:13,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:13,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:13,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:13,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:13,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:13,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:13,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:13,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:13,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:13,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:13,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:13,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:13,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:13,071 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 10:43:13,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:13,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:13,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:13,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:13,088 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:13,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:13,088 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:13,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:13,089 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:13,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:13,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:13,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:13,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:13,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:13,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:13,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:13,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:13,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:13,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:13,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:13,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:13,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:13,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:13,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:13,096 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 10:43:13,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:13,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:13,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:13,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:13,410 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:13,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 10:43:13,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188e79048/cb70b7af067546449882409b90608ee7/FLAGe392d1a86 [2020-07-20 10:43:14,083 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:14,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-07-20 10:43:14,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188e79048/cb70b7af067546449882409b90608ee7/FLAGe392d1a86 [2020-07-20 10:43:14,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188e79048/cb70b7af067546449882409b90608ee7 [2020-07-20 10:43:14,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:14,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:14,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:14,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:14,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:14,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:14" (1/1) ... [2020-07-20 10:43:14,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:14, skipping insertion in model container [2020-07-20 10:43:14,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:14" (1/1) ... [2020-07-20 10:43:14,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:14,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:14,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:14,949 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:15,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:15,128 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:15,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15 WrapperNode [2020-07-20 10:43:15,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:15,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:15,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:15,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:15,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (1/1) ... [2020-07-20 10:43:15,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:15,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:15,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:15,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:15,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (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 10:43:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:15,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:43:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:43:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:15,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:15,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:43:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:15,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:43:15,312 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:15,313 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:43:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:15,314 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:43:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:15,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:43:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:15,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:15,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:15,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:15,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:16,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:16,506 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:16,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:16 BoogieIcfgContainer [2020-07-20 10:43:16,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:16,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:16,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:16,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:16,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:14" (1/3) ... [2020-07-20 10:43:16,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718434a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:16, skipping insertion in model container [2020-07-20 10:43:16,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:15" (2/3) ... [2020-07-20 10:43:16,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718434a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:16, skipping insertion in model container [2020-07-20 10:43:16,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:16" (3/3) ... [2020-07-20 10:43:16,521 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-07-20 10:43:16,533 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:16,542 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:16,558 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:16,586 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:16,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:16,587 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:16,587 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:16,587 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:16,587 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:16,588 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:16,588 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2020-07-20 10:43:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:43:16,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:16,625 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] [2020-07-20 10:43:16,625 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:16,630 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2020-07-20 10:43:16,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:16,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909092373] [2020-07-20 10:43:16,638 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 10:43:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:16,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:16,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:16,964 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 10:43:16,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:16,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909092373] [2020-07-20 10:43:16,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:16,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:16,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217934216] [2020-07-20 10:43:16,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:16,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:16,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:16,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:17,002 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2020-07-20 10:43:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:17,086 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2020-07-20 10:43:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:17,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:43:17,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:17,109 INFO L225 Difference]: With dead ends: 314 [2020-07-20 10:43:17,109 INFO L226 Difference]: Without dead ends: 157 [2020-07-20 10:43:17,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 10:43:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-20 10:43:17,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2020-07-20 10:43:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-20 10:43:17,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2020-07-20 10:43:17,181 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2020-07-20 10:43:17,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:17,182 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2020-07-20 10:43:17,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2020-07-20 10:43:17,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:43:17,186 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:17,186 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] [2020-07-20 10:43:17,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:17,400 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2020-07-20 10:43:17,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:17,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422279493] [2020-07-20 10:43:17,402 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 10:43:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:17,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:17,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:17,650 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 10:43:17,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:17,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422279493] [2020-07-20 10:43:17,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:17,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:17,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211240062] [2020-07-20 10:43:17,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:17,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:17,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:17,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:17,655 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2020-07-20 10:43:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:17,677 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2020-07-20 10:43:17,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:17,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:43:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:17,681 INFO L225 Difference]: With dead ends: 259 [2020-07-20 10:43:17,682 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:43:17,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 10:43:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:43:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:43:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:43:17,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2020-07-20 10:43:17,718 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2020-07-20 10:43:17,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:17,719 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2020-07-20 10:43:17,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2020-07-20 10:43:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:43:17,727 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:17,727 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 10:43:17,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:17,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:17,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2020-07-20 10:43:17,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:17,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792507432] [2020-07-20 10:43:17,944 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 10:43:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:18,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:18,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:18,178 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 10:43:18,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:18,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792507432] [2020-07-20 10:43:18,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:18,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:18,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953127313] [2020-07-20 10:43:18,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:18,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:18,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:18,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,181 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2020-07-20 10:43:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:18,201 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2020-07-20 10:43:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:18,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:43:18,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:18,204 INFO L225 Difference]: With dead ends: 272 [2020-07-20 10:43:18,204 INFO L226 Difference]: Without dead ends: 148 [2020-07-20 10:43:18,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:18,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-20 10:43:18,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-20 10:43:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-20 10:43:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2020-07-20 10:43:18,221 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2020-07-20 10:43:18,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:18,221 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2020-07-20 10:43:18,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2020-07-20 10:43:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:43:18,224 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:18,224 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] [2020-07-20 10:43:18,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:18,438 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:18,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:18,438 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2020-07-20 10:43:18,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:18,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825042474] [2020-07-20 10:43:18,439 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 10:43:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:18,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:43:18,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:18,683 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 10:43:18,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:18,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825042474] [2020-07-20 10:43:18,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:18,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:18,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676646654] [2020-07-20 10:43:18,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:18,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:18,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:18,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:18,686 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 6 states. [2020-07-20 10:43:18,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:18,956 INFO L93 Difference]: Finished difference Result 385 states and 472 transitions. [2020-07-20 10:43:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:18,957 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:43:18,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:18,961 INFO L225 Difference]: With dead ends: 385 [2020-07-20 10:43:18,961 INFO L226 Difference]: Without dead ends: 261 [2020-07-20 10:43:18,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-07-20 10:43:18,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2020-07-20 10:43:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-07-20 10:43:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 318 transitions. [2020-07-20 10:43:18,994 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 318 transitions. Word has length 70 [2020-07-20 10:43:18,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:18,994 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 318 transitions. [2020-07-20 10:43:18,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 318 transitions. [2020-07-20 10:43:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-07-20 10:43:18,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:18,997 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] [2020-07-20 10:43:19,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:19,212 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:19,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:19,212 INFO L82 PathProgramCache]: Analyzing trace with hash 332820213, now seen corresponding path program 1 times [2020-07-20 10:43:19,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:19,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1601538180] [2020-07-20 10:43:19,214 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 10:43:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:19,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:43:19,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:19,444 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 10:43:19,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:19,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1601538180] [2020-07-20 10:43:19,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:19,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:43:19,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763916858] [2020-07-20 10:43:19,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:43:19,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:19,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:43:19,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:19,448 INFO L87 Difference]: Start difference. First operand 261 states and 318 transitions. Second operand 7 states. [2020-07-20 10:43:20,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:20,315 INFO L93 Difference]: Finished difference Result 617 states and 796 transitions. [2020-07-20 10:43:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:20,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-07-20 10:43:20,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:20,327 INFO L225 Difference]: With dead ends: 617 [2020-07-20 10:43:20,328 INFO L226 Difference]: Without dead ends: 380 [2020-07-20 10:43:20,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:43:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-07-20 10:43:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 363. [2020-07-20 10:43:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-20 10:43:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 444 transitions. [2020-07-20 10:43:20,387 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 444 transitions. Word has length 74 [2020-07-20 10:43:20,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:20,388 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 444 transitions. [2020-07-20 10:43:20,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:43:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 444 transitions. [2020-07-20 10:43:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 10:43:20,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:20,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:20,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:20,614 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:20,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1329247592, now seen corresponding path program 1 times [2020-07-20 10:43:20,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:20,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262459743] [2020-07-20 10:43:20,616 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 10:43:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:20,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:20,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 10:43:20,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:20,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262459743] [2020-07-20 10:43:20,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:20,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:20,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407167199] [2020-07-20 10:43:20,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:20,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:20,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:20,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:20,905 INFO L87 Difference]: Start difference. First operand 363 states and 444 transitions. Second operand 6 states. [2020-07-20 10:43:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:20,953 INFO L93 Difference]: Finished difference Result 716 states and 928 transitions. [2020-07-20 10:43:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:20,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2020-07-20 10:43:20,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:20,957 INFO L225 Difference]: With dead ends: 716 [2020-07-20 10:43:20,957 INFO L226 Difference]: Without dead ends: 377 [2020-07-20 10:43:20,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 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 10:43:20,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2020-07-20 10:43:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2020-07-20 10:43:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 10:43:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 455 transitions. [2020-07-20 10:43:20,986 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 455 transitions. Word has length 170 [2020-07-20 10:43:20,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:20,987 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 455 transitions. [2020-07-20 10:43:20,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 455 transitions. [2020-07-20 10:43:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-20 10:43:20,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:20,992 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:43:21,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,207 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:21,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:21,207 INFO L82 PathProgramCache]: Analyzing trace with hash 566494683, now seen corresponding path program 1 times [2020-07-20 10:43:21,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:21,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190967443] [2020-07-20 10:43:21,209 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 10:43:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-07-20 10:43:21,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190967443] [2020-07-20 10:43:21,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:43:21,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863742688] [2020-07-20 10:43:21,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:43:21,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:43:21,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:21,441 INFO L87 Difference]: Start difference. First operand 373 states and 455 transitions. Second operand 5 states. [2020-07-20 10:43:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:21,475 INFO L93 Difference]: Finished difference Result 694 states and 881 transitions. [2020-07-20 10:43:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:43:21,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-07-20 10:43:21,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:21,478 INFO L225 Difference]: With dead ends: 694 [2020-07-20 10:43:21,478 INFO L226 Difference]: Without dead ends: 345 [2020-07-20 10:43:21,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 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 10:43:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-20 10:43:21,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2020-07-20 10:43:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-07-20 10:43:21,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 418 transitions. [2020-07-20 10:43:21,499 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 418 transitions. Word has length 187 [2020-07-20 10:43:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:21,499 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 418 transitions. [2020-07-20 10:43:21,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:43:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 418 transitions. [2020-07-20 10:43:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 10:43:21,502 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:21,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:21,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,718 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:21,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash -659743077, now seen corresponding path program 1 times [2020-07-20 10:43:21,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:21,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764528744] [2020-07-20 10:43:21,720 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 10:43:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:21,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764528744] [2020-07-20 10:43:21,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:21,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028642359] [2020-07-20 10:43:21,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:21,999 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:22,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:22,000 INFO L87 Difference]: Start difference. First operand 345 states and 418 transitions. Second operand 6 states. [2020-07-20 10:43:23,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:23,104 INFO L93 Difference]: Finished difference Result 922 states and 1191 transitions. [2020-07-20 10:43:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:23,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2020-07-20 10:43:23,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:23,113 INFO L225 Difference]: With dead ends: 922 [2020-07-20 10:43:23,113 INFO L226 Difference]: Without dead ends: 601 [2020-07-20 10:43:23,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 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 10:43:23,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-07-20 10:43:23,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 585. [2020-07-20 10:43:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-07-20 10:43:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 719 transitions. [2020-07-20 10:43:23,169 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 719 transitions. Word has length 170 [2020-07-20 10:43:23,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:23,170 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 719 transitions. [2020-07-20 10:43:23,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 719 transitions. [2020-07-20 10:43:23,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 10:43:23,174 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:23,174 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:23,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:23,390 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:23,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:23,391 INFO L82 PathProgramCache]: Analyzing trace with hash 350169461, now seen corresponding path program 1 times [2020-07-20 10:43:23,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:23,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270945115] [2020-07-20 10:43:23,392 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 10:43:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:23,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:23,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:43:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:43:24,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270945115] [2020-07-20 10:43:24,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:43:24,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 10:43:24,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980257672] [2020-07-20 10:43:24,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 10:43:24,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:24,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 10:43:24,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:43:24,203 INFO L87 Difference]: Start difference. First operand 585 states and 719 transitions. Second operand 12 states. [2020-07-20 10:43:25,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:25,831 INFO L93 Difference]: Finished difference Result 1529 states and 2045 transitions. [2020-07-20 10:43:25,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:43:25,837 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-07-20 10:43:25,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:25,845 INFO L225 Difference]: With dead ends: 1529 [2020-07-20 10:43:25,845 INFO L226 Difference]: Without dead ends: 968 [2020-07-20 10:43:25,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 336 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 10:43:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-07-20 10:43:25,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 784. [2020-07-20 10:43:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-07-20 10:43:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 968 transitions. [2020-07-20 10:43:25,899 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 968 transitions. Word has length 174 [2020-07-20 10:43:25,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:25,899 INFO L479 AbstractCegarLoop]: Abstraction has 784 states and 968 transitions. [2020-07-20 10:43:25,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 10:43:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 968 transitions. [2020-07-20 10:43:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-20 10:43:25,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:25,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:26,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:26,119 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:26,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:26,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1949464188, now seen corresponding path program 2 times [2020-07-20 10:43:26,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:26,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048504543] [2020-07-20 10:43:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:43:26,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:26,435 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:26,435 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 10:43:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 122 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 10:43:26,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:43:26,894 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,002 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,056 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,057 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,078 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 10:43:27,078 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,131 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:43:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-07-20 10:43:27,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048504543] [2020-07-20 10:43:27,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:43:27,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 10:43:27,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821674799] [2020-07-20 10:43:27,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 10:43:27,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:27,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 10:43:27,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 10:43:27,422 INFO L87 Difference]: Start difference. First operand 784 states and 968 transitions. Second operand 16 states. [2020-07-20 10:43:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:29,950 INFO L93 Difference]: Finished difference Result 2177 states and 2971 transitions. [2020-07-20 10:43:29,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 10:43:29,950 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 244 [2020-07-20 10:43:29,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:29,961 INFO L225 Difference]: With dead ends: 2177 [2020-07-20 10:43:29,962 INFO L226 Difference]: Without dead ends: 1483 [2020-07-20 10:43:29,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 478 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 10:43:29,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2020-07-20 10:43:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1154. [2020-07-20 10:43:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-07-20 10:43:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1418 transitions. [2020-07-20 10:43:30,053 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1418 transitions. Word has length 244 [2020-07-20 10:43:30,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:30,054 INFO L479 AbstractCegarLoop]: Abstraction has 1154 states and 1418 transitions. [2020-07-20 10:43:30,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 10:43:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1418 transitions. [2020-07-20 10:43:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-20 10:43:30,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:30,060 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:30,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:30,274 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:30,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:30,275 INFO L82 PathProgramCache]: Analyzing trace with hash -956209094, now seen corresponding path program 1 times [2020-07-20 10:43:30,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:30,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023930116] [2020-07-20 10:43:30,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:30,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 10:43:30,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-20 10:43:30,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:30,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023930116] [2020-07-20 10:43:30,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:30,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:30,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886549354] [2020-07-20 10:43:30,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:30,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:30,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:30,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:30,546 INFO L87 Difference]: Start difference. First operand 1154 states and 1418 transitions. Second operand 6 states. [2020-07-20 10:43:30,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:30,606 INFO L93 Difference]: Finished difference Result 1540 states and 1878 transitions. [2020-07-20 10:43:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:30,607 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2020-07-20 10:43:30,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:30,608 INFO L225 Difference]: With dead ends: 1540 [2020-07-20 10:43:30,608 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:43:30,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 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 10:43:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:43:30,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:43:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:43:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:43:30,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-07-20 10:43:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:30,614 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:43:30,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:43:30,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:43:30,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:30,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:43:33,041 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-07-20 10:43:33,167 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-07-20 10:43:34,359 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 17 [2020-07-20 10:43:34,559 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point L639(lines 616 640) no Hoare annotation was computed. [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point L623(lines 623 627) no Hoare annotation was computed. [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-20 10:43:34,598 INFO L268 CegarLoopResult]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point L700(lines 673 701) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point L693(line 693) no Hoare annotation was computed. [2020-07-20 10:43:34,599 INFO L268 CegarLoopResult]: For program point L693-1(line 693) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-20 10:43:34,600 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-07-20 10:43:34,600 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-07-20 10:43:34,601 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-20 10:43:34,601 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-07-20 10:43:34,601 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-20 10:43:34,601 INFO L268 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2020-07-20 10:43:34,601 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2020-07-20 10:43:34,601 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2020-07-20 10:43:34,602 INFO L264 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:43:34,602 INFO L268 CegarLoopResult]: For program point L392(lines 392 398) no Hoare annotation was computed. [2020-07-20 10:43:34,602 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 10:43:34,602 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 10:43:34,602 INFO L268 CegarLoopResult]: For program point L388(lines 388 401) no Hoare annotation was computed. [2020-07-20 10:43:34,602 INFO L268 CegarLoopResult]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2020-07-20 10:43:34,602 INFO L271 CegarLoopResult]: At program point L386(line 386) the Hoare annotation is: true [2020-07-20 10:43:34,603 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,603 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2020-07-20 10:43:34,603 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,603 INFO L264 CegarLoopResult]: At program point L528-1(line 528) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,603 INFO L268 CegarLoopResult]: For program point L526(lines 526 533) no Hoare annotation was computed. [2020-07-20 10:43:34,604 INFO L268 CegarLoopResult]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2020-07-20 10:43:34,604 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2020-07-20 10:43:34,604 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 10:43:34,604 INFO L264 CegarLoopResult]: At program point L523(line 523) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,604 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,604 INFO L264 CegarLoopResult]: At program point L522-1(line 522) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 10:43:34,605 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 10:43:34,606 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-20 10:43:34,607 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-20 10:43:34,607 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 10:43:34,607 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 10:43:34,607 INFO L268 CegarLoopResult]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2020-07-20 10:43:34,607 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:43:34,607 INFO L264 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:43:34,608 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2020-07-20 10:43:34,608 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~2))))) [2020-07-20 10:43:34,608 INFO L268 CegarLoopResult]: For program point L200(lines 200 208) no Hoare annotation was computed. [2020-07-20 10:43:34,608 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 10:43:34,608 INFO L268 CegarLoopResult]: For program point L198-1(line 198) no Hoare annotation was computed. [2020-07-20 10:43:34,608 INFO L268 CegarLoopResult]: For program point L196(lines 196 213) no Hoare annotation was computed. [2020-07-20 10:43:34,609 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2020-07-20 10:43:34,609 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2020-07-20 10:43:34,609 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2020-07-20 10:43:34,609 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2020-07-20 10:43:34,609 INFO L268 CegarLoopResult]: For program point L360(lines 360 364) no Hoare annotation was computed. [2020-07-20 10:43:34,609 INFO L271 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: true [2020-07-20 10:43:34,609 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point L315(lines 315 323) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-07-20 10:43:34,610 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point L326-1(line 326) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-07-20 10:43:34,611 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-07-20 10:43:34,611 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point L879(lines 879 886) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point L873(lines 873 893) no Hoare annotation was computed. [2020-07-20 10:43:34,612 INFO L268 CegarLoopResult]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2020-07-20 10:43:34,613 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2020-07-20 10:43:34,613 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,613 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2020-07-20 10:43:34,613 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2020-07-20 10:43:34,613 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2020-07-20 10:43:34,613 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2020-07-20 10:43:34,613 INFO L271 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: true [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point L281-1(line 281) no Hoare annotation was computed. [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2020-07-20 10:43:34,614 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point L989(lines 989 995) no Hoare annotation was computed. [2020-07-20 10:43:34,614 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2020-07-20 10:43:34,615 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2020-07-20 10:43:34,615 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2020-07-20 10:43:34,615 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 10:43:34,615 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed. [2020-07-20 10:43:34,615 INFO L268 CegarLoopResult]: For program point L222(lines 222 239) no Hoare annotation was computed. [2020-07-20 10:43:34,615 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2020-07-20 10:43:34,615 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 10:43:34,616 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) [2020-07-20 10:43:34,616 INFO L268 CegarLoopResult]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2020-07-20 10:43:34,616 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 10:43:34,616 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2020-07-20 10:43:34,616 INFO L268 CegarLoopResult]: For program point L226(lines 226 234) no Hoare annotation was computed. [2020-07-20 10:43:34,616 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2020-07-20 10:43:34,617 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2020-07-20 10:43:34,617 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,617 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-07-20 10:43:34,617 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:34,617 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-20 10:43:34,617 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:43:34,617 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-07-20 10:43:34,618 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:43:34,618 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-07-20 10:43:34,618 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:43:34,618 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-07-20 10:43:34,618 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-07-20 10:43:34,618 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:43:34,619 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point L833(lines 833 840) no Hoare annotation was computed. [2020-07-20 10:43:34,619 INFO L268 CegarLoopResult]: For program point L827(lines 827 847) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2020-07-20 10:43:34,620 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point L961(lines 961 969) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2020-07-20 10:43:34,621 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point L760(lines 759 779) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 10:43:34,622 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L756(lines 756 797) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L798(lines 798 809) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 10:43:34,623 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point L780(lines 758 781) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point L739(lines 739 755) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,624 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:34,624 INFO L268 CegarLoopResult]: For program point L256-1(line 256) no Hoare annotation was computed. [2020-07-20 10:43:34,625 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2020-07-20 10:43:34,625 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:34,625 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:43:34,625 INFO L268 CegarLoopResult]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2020-07-20 10:43:34,625 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-20 10:43:34,626 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2020-07-20 10:43:34,626 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2020-07-20 10:43:34,626 INFO L268 CegarLoopResult]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-07-20 10:43:34,626 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2020-07-20 10:43:34,626 INFO L271 CegarLoopResult]: At program point L339(line 339) the Hoare annotation is: true [2020-07-20 10:43:34,626 INFO L268 CegarLoopResult]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point L339-1(line 339) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,627 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,628 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,628 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:34,628 INFO L264 CegarLoopResult]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0))) (and (let ((.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) (let ((.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 (and .cse1 .cse2 .cse5) (and .cse2 .cse5 .cse4) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-20 10:43:34,628 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2)) (or .cse0 (and .cse1 (= 0 ~pumpRunning~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:34,628 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:34,629 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2020-07-20 10:43:34,629 INFO L268 CegarLoopResult]: For program point L138(lines 137 156) no Hoare annotation was computed. [2020-07-20 10:43:34,629 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2020-07-20 10:43:34,629 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2020-07-20 10:43:34,629 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2020-07-20 10:43:34,629 INFO L271 CegarLoopResult]: At program point L470(lines 445 474) the Hoare annotation is: true [2020-07-20 10:43:34,629 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 10:43:34,630 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-07-20 10:43:34,630 INFO L271 CegarLoopResult]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2020-07-20 10:43:34,630 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 10:43:34,630 INFO L271 CegarLoopResult]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2020-07-20 10:43:34,630 INFO L271 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: true [2020-07-20 10:43:34,630 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2020-07-20 10:43:34,631 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2020-07-20 10:43:34,631 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,632 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:43:34,632 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:43:34,632 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:34,632 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 10:43:34,632 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 10:43:34,632 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 10:43:34,633 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:34,633 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2020-07-20 10:43:34,633 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:34,633 INFO L268 CegarLoopResult]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2020-07-20 10:43:34,633 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:34,633 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-07-20 10:43:34,634 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point L170(lines 170 187) no Hoare annotation was computed. [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2020-07-20 10:43:34,634 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and (<= ~waterLevel~0 1) .cse1) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:43:34,634 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:43:34,635 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:43:34,635 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:43:34,635 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:43:34,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:43:34 BoogieIcfgContainer [2020-07-20 10:43:34,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:43:34,655 INFO L168 Benchmark]: Toolchain (without parser) took 20305.00 ms. Allocated memory was 143.7 MB in the beginning and 465.6 MB in the end (delta: 321.9 MB). Free memory was 101.1 MB in the beginning and 224.2 MB in the end (delta: -123.1 MB). Peak memory consumption was 306.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,656 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.02 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 167.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,657 INFO L168 Benchmark]: Boogie Preprocessor took 94.89 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 163.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,658 INFO L168 Benchmark]: RCFGBuilder took 1286.98 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.4 MB in the beginning and 189.7 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,659 INFO L168 Benchmark]: TraceAbstraction took 18140.55 ms. Allocated memory was 235.9 MB in the beginning and 465.6 MB in the end (delta: 229.6 MB). Free memory was 189.7 MB in the beginning and 224.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 302.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:34,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.02 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 167.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.89 ms. Allocated memory is still 203.4 MB. Free memory was 167.5 MB in the beginning and 163.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1286.98 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 163.4 MB in the beginning and 189.7 MB in the end (delta: -26.3 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18140.55 ms. Allocated memory was 235.9 MB in the beginning and 465.6 MB in the end (delta: 229.6 MB). Free memory was 189.7 MB in the beginning and 224.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 302.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2126 SDtfs, 1806 SDslu, 3843 SDs, 0 SdLazy, 4327 SolverSat, 1142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1931 GetRequests, 1841 SyntacticMatches, 7 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1154occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 550 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2047 PreInvPairs, 2108 NumberOfFragments, 1186 HoareAnnotationTreeSize, 2047 FomulaSimplifications, 5503 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 6507 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1478 NumberOfCodeBlocks, 1478 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1883 ConstructedInterpolants, 0 QuantifiedInterpolants, 559339 SizeOfPredicates, 44 NumberOfNonLiveVariables, 9391 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 616/703 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...