/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:35:30,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:35:30,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:35:30,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:35:30,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:35:30,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:35:30,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:35:30,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:35:30,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:35:30,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:35:30,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:35:30,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:35:30,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:35:30,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:35:30,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:35:30,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:35:30,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:35:30,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:35:30,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:35:30,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:35:30,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:35:30,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:35:30,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:35:30,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:35:30,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:35:30,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:35:30,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:35:30,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:35:30,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:35:30,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:35:30,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:35:30,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:35:30,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:35:30,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:35:30,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:35:30,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:35:30,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:35:30,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:35:30,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:35:30,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:35:30,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:35:30,337 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 [2020-07-17 11:35:30,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:35:30,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:35:30,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:35:30,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:35:30,361 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:35:30,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:35:30,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:35:30,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:35:30,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:35:30,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:35:30,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:35:30,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:35:30,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:35:30,364 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:35:30,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:35:30,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:35:30,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:35:30,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:35:30,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:35:30,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:35:30,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:35:30,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:35:30,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:35:30,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:35:30,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:35:30,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:35:30,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:35:30,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:35:30,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:35:30,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:35:30,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:35:30,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:35:30,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:35:30,659 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:35:30,660 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:35:30,660 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-17 11:35:30,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019d4285/62464fc87db8443393720f0bb6a75e30/FLAGab8f0b2ff [2020-07-17 11:35:31,217 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:35:31,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-17 11:35:31,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019d4285/62464fc87db8443393720f0bb6a75e30/FLAGab8f0b2ff [2020-07-17 11:35:31,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a019d4285/62464fc87db8443393720f0bb6a75e30 [2020-07-17 11:35:31,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:35:31,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:35:31,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:31,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:35:31,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:35:31,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:31" (1/1) ... [2020-07-17 11:35:31,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc56cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:31, skipping insertion in model container [2020-07-17 11:35:31,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:35:31" (1/1) ... [2020-07-17 11:35:31,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:35:31,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:35:31,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:32,088 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:35:32,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:35:32,205 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:35:32,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32 WrapperNode [2020-07-17 11:35:32,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:35:32,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:35:32,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:35:32,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:35:32,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (1/1) ... [2020-07-17 11:35:32,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:35:32,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:35:32,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:35:32,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:35:32,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (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 [2020-07-17 11:35:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:35:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:35:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:35:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:35:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:35:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:35:32,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:35:32,355 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:35:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:35:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:35:32,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:35:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:35:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:35:32,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:35:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:35:32,358 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:35:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:35:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:35:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:35:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:35:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:35:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:35:32,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:35:32,362 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:35:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:35:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:35:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:35:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:35:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:35:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:35:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:35:32,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:35:32,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:35:32,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:35:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:35:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:35:32,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:35:33,383 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:35:33,383 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:35:33,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:33 BoogieIcfgContainer [2020-07-17 11:35:33,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:35:33,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:35:33,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:35:33,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:35:33,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:35:31" (1/3) ... [2020-07-17 11:35:33,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d88e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:33, skipping insertion in model container [2020-07-17 11:35:33,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:35:32" (2/3) ... [2020-07-17 11:35:33,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d88e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:35:33, skipping insertion in model container [2020-07-17 11:35:33,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:35:33" (3/3) ... [2020-07-17 11:35:33,397 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-07-17 11:35:33,407 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:35:33,415 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:35:33,429 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:35:33,453 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:35:33,453 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:35:33,453 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:35:33,453 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:35:33,454 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:35:33,454 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:35:33,454 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:35:33,455 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:35:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-17 11:35:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:35:33,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:33,488 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] [2020-07-17 11:35:33,488 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:33,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:33,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1593418819, now seen corresponding path program 1 times [2020-07-17 11:35:33,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:33,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838069866] [2020-07-17 11:35:33,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,090 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:34,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838069866] [2020-07-17 11:35:34,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:34,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:35:34,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247474515] [2020-07-17 11:35:34,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:35:34,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:34,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:35:34,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:34,197 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 3 states. [2020-07-17 11:35:35,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:35,455 INFO L93 Difference]: Finished difference Result 365 states and 474 transitions. [2020-07-17 11:35:35,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:35:35,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:35:35,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:35,472 INFO L225 Difference]: With dead ends: 365 [2020-07-17 11:35:35,472 INFO L226 Difference]: Without dead ends: 197 [2020-07-17 11:35:35,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:35:35,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-17 11:35:35,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2020-07-17 11:35:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-17 11:35:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-17 11:35:35,578 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2020-07-17 11:35:35,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:35,578 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-17 11:35:35,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:35:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-17 11:35:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:35:35,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:35,582 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] [2020-07-17 11:35:35,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:35:35,583 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:35,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:35,583 INFO L82 PathProgramCache]: Analyzing trace with hash 261795935, now seen corresponding path program 1 times [2020-07-17 11:35:35,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:35,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245146251] [2020-07-17 11:35:35,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,956 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:35,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:35,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245146251] [2020-07-17 11:35:35,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:35,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:35:35,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664781431] [2020-07-17 11:35:35,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:35:35,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:35,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:35:35,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:35:35,997 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 4 states. [2020-07-17 11:35:36,397 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:37,457 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2020-07-17 11:35:37,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:35:37,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:35:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:37,466 INFO L225 Difference]: With dead ends: 292 [2020-07-17 11:35:37,466 INFO L226 Difference]: Without dead ends: 181 [2020-07-17 11:35:37,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:35:37,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-17 11:35:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2020-07-17 11:35:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-17 11:35:37,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-17 11:35:37,541 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2020-07-17 11:35:37,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:37,542 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-17 11:35:37,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:35:37,542 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-17 11:35:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:35:37,553 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:37,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:37,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:35:37,554 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:37,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:37,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1299589925, now seen corresponding path program 1 times [2020-07-17 11:35:37,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:37,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66613208] [2020-07-17 11:35:37,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:37,907 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:38,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:38,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66613208] [2020-07-17 11:35:38,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:38,021 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:35:38,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650598182] [2020-07-17 11:35:38,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:35:38,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:38,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:35:38,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:35:38,023 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 8 states. [2020-07-17 11:35:38,396 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:38,698 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:38,963 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:39,178 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:39,864 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:42,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:42,073 INFO L93 Difference]: Finished difference Result 510 states and 633 transitions. [2020-07-17 11:35:42,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:35:42,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 11:35:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:42,079 INFO L225 Difference]: With dead ends: 510 [2020-07-17 11:35:42,079 INFO L226 Difference]: Without dead ends: 384 [2020-07-17 11:35:42,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:35:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-07-17 11:35:42,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 318. [2020-07-17 11:35:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-17 11:35:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 386 transitions. [2020-07-17 11:35:42,159 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 386 transitions. Word has length 51 [2020-07-17 11:35:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:42,159 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 386 transitions. [2020-07-17 11:35:42,159 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:35:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 386 transitions. [2020-07-17 11:35:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:35:42,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:42,162 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] [2020-07-17 11:35:42,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:35:42,162 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:42,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:42,163 INFO L82 PathProgramCache]: Analyzing trace with hash -848411279, now seen corresponding path program 1 times [2020-07-17 11:35:42,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:42,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413197863] [2020-07-17 11:35:42,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,509 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:42,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413197863] [2020-07-17 11:35:42,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:42,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:35:42,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622644443] [2020-07-17 11:35:42,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:35:42,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:35:42,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:42,635 INFO L87 Difference]: Start difference. First operand 318 states and 386 transitions. Second operand 12 states. [2020-07-17 11:35:43,066 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:43,381 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:43,621 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:43,872 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:44,394 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:35:45,184 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:45,591 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:45,920 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:46,171 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:35:46,462 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:46,836 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:47,228 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:35:47,660 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:35:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:49,887 INFO L93 Difference]: Finished difference Result 1305 states and 1782 transitions. [2020-07-17 11:35:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:35:49,888 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-17 11:35:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:49,903 INFO L225 Difference]: With dead ends: 1305 [2020-07-17 11:35:49,903 INFO L226 Difference]: Without dead ends: 1011 [2020-07-17 11:35:49,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:35:49,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-07-17 11:35:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 910. [2020-07-17 11:35:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-07-17 11:35:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1164 transitions. [2020-07-17 11:35:50,188 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1164 transitions. Word has length 57 [2020-07-17 11:35:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:50,189 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1164 transitions. [2020-07-17 11:35:50,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:35:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1164 transitions. [2020-07-17 11:35:50,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 11:35:50,195 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:50,195 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] [2020-07-17 11:35:50,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:35:50,196 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:50,196 INFO L82 PathProgramCache]: Analyzing trace with hash -533846889, now seen corresponding path program 1 times [2020-07-17 11:35:50,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:50,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974938915] [2020-07-17 11:35:50,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,496 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:35:50,597 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974938915] [2020-07-17 11:35:50,597 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:35:50,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:35:50,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753395051] [2020-07-17 11:35:50,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:35:50,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:50,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:35:50,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:35:50,600 INFO L87 Difference]: Start difference. First operand 910 states and 1164 transitions. Second operand 6 states. [2020-07-17 11:35:50,939 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:52,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:35:52,954 INFO L93 Difference]: Finished difference Result 2165 states and 2945 transitions. [2020-07-17 11:35:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 11:35:52,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-17 11:35:52,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:35:52,966 INFO L225 Difference]: With dead ends: 2165 [2020-07-17 11:35:52,967 INFO L226 Difference]: Without dead ends: 1279 [2020-07-17 11:35:52,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:35:52,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-07-17 11:35:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1192. [2020-07-17 11:35:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-07-17 11:35:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1486 transitions. [2020-07-17 11:35:53,289 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1486 transitions. Word has length 61 [2020-07-17 11:35:53,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:35:53,290 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1486 transitions. [2020-07-17 11:35:53,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:35:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1486 transitions. [2020-07-17 11:35:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:35:53,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:35:53,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:35:53,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:35:53,294 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:35:53,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:35:53,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2051159117, now seen corresponding path program 1 times [2020-07-17 11:35:53,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:35:53,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451313278] [2020-07-17 11:35:53,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:35:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,632 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:35:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 11:35:53,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451313278] [2020-07-17 11:35:53,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770543412] [2020-07-17 11:35:53,772 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:35:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:35:53,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:35:53,986 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:35:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:35:54,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:35:54,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-17 11:35:54,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428792440] [2020-07-17 11:35:54,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:35:54,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:35:54,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:35:54,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:35:54,080 INFO L87 Difference]: Start difference. First operand 1192 states and 1486 transitions. Second operand 12 states. [2020-07-17 11:35:54,645 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 11:35:55,168 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:57,237 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:35:57,660 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:01,402 INFO L93 Difference]: Finished difference Result 3094 states and 4179 transitions. [2020-07-17 11:36:01,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 11:36:01,405 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-17 11:36:01,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:01,418 INFO L225 Difference]: With dead ends: 3094 [2020-07-17 11:36:01,419 INFO L226 Difference]: Without dead ends: 2217 [2020-07-17 11:36:01,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 11:36:01,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2020-07-17 11:36:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2053. [2020-07-17 11:36:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-07-17 11:36:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2603 transitions. [2020-07-17 11:36:01,932 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2603 transitions. Word has length 88 [2020-07-17 11:36:01,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:01,933 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 2603 transitions. [2020-07-17 11:36:01,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:36:01,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2603 transitions. [2020-07-17 11:36:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-17 11:36:01,937 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:01,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:02,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:36:02,152 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:02,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:02,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2121665403, now seen corresponding path program 1 times [2020-07-17 11:36:02,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:02,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725372905] [2020-07-17 11:36:02,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,432 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-17 11:36:02,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725372905] [2020-07-17 11:36:02,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064139279] [2020-07-17 11:36:02,610 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:02,857 INFO L264 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:36:02,875 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-17 11:36:02,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:02,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-17 11:36:02,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116257400] [2020-07-17 11:36:02,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:36:02,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:02,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:36:02,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:36:02,954 INFO L87 Difference]: Start difference. First operand 2053 states and 2603 transitions. Second operand 6 states. [2020-07-17 11:36:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:03,464 INFO L93 Difference]: Finished difference Result 2096 states and 2657 transitions. [2020-07-17 11:36:03,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:36:03,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-07-17 11:36:03,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:03,476 INFO L225 Difference]: With dead ends: 2096 [2020-07-17 11:36:03,476 INFO L226 Difference]: Without dead ends: 2093 [2020-07-17 11:36:03,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:36:03,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2020-07-17 11:36:03,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2053. [2020-07-17 11:36:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-07-17 11:36:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2591 transitions. [2020-07-17 11:36:03,871 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2591 transitions. Word has length 146 [2020-07-17 11:36:03,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:03,872 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 2591 transitions. [2020-07-17 11:36:03,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:36:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2591 transitions. [2020-07-17 11:36:03,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-17 11:36:03,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:03,878 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] [2020-07-17 11:36:04,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:04,094 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:04,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:04,095 INFO L82 PathProgramCache]: Analyzing trace with hash 530822034, now seen corresponding path program 1 times [2020-07-17 11:36:04,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:04,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618779235] [2020-07-17 11:36:04,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,334 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,521 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-17 11:36:04,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618779235] [2020-07-17 11:36:04,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206774967] [2020-07-17 11:36:04,522 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:04,717 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:36:04,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-17 11:36:04,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:04,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-17 11:36:04,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457284288] [2020-07-17 11:36:04,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:36:04,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:04,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:36:04,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:36:04,752 INFO L87 Difference]: Start difference. First operand 2053 states and 2591 transitions. Second operand 6 states. [2020-07-17 11:36:05,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:05,130 INFO L93 Difference]: Finished difference Result 4138 states and 5520 transitions. [2020-07-17 11:36:05,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:36:05,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2020-07-17 11:36:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:05,144 INFO L225 Difference]: With dead ends: 4138 [2020-07-17 11:36:05,144 INFO L226 Difference]: Without dead ends: 2109 [2020-07-17 11:36:05,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:36:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2020-07-17 11:36:05,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2093. [2020-07-17 11:36:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-07-17 11:36:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2639 transitions. [2020-07-17 11:36:05,591 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2639 transitions. Word has length 168 [2020-07-17 11:36:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:05,591 INFO L479 AbstractCegarLoop]: Abstraction has 2093 states and 2639 transitions. [2020-07-17 11:36:05,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:36:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2639 transitions. [2020-07-17 11:36:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-17 11:36:05,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:05,598 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] [2020-07-17 11:36:05,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:05,812 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:05,813 INFO L82 PathProgramCache]: Analyzing trace with hash 198178896, now seen corresponding path program 1 times [2020-07-17 11:36:05,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:05,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514767032] [2020-07-17 11:36:05,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,063 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-17 11:36:06,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514767032] [2020-07-17 11:36:06,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484917685] [2020-07-17 11:36:06,337 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:06,529 INFO L264 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-17 11:36:06,535 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-17 11:36:06,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:06,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2020-07-17 11:36:06,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066392512] [2020-07-17 11:36:06,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:36:06,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:06,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:36:06,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:36:06,675 INFO L87 Difference]: Start difference. First operand 2093 states and 2639 transitions. Second operand 5 states. [2020-07-17 11:36:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:07,167 INFO L93 Difference]: Finished difference Result 3772 states and 4882 transitions. [2020-07-17 11:36:07,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:36:07,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2020-07-17 11:36:07,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:07,180 INFO L225 Difference]: With dead ends: 3772 [2020-07-17 11:36:07,180 INFO L226 Difference]: Without dead ends: 1703 [2020-07-17 11:36:07,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:36:07,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-07-17 11:36:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1703. [2020-07-17 11:36:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-07-17 11:36:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2115 transitions. [2020-07-17 11:36:07,504 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2115 transitions. Word has length 168 [2020-07-17 11:36:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:07,504 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 2115 transitions. [2020-07-17 11:36:07,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:36:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2115 transitions. [2020-07-17 11:36:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-17 11:36:07,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:07,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:36:07,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:07,723 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:07,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1229554551, now seen corresponding path program 1 times [2020-07-17 11:36:07,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:07,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558467623] [2020-07-17 11:36:07,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,117 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:36:08,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558467623] [2020-07-17 11:36:08,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170054066] [2020-07-17 11:36:08,534 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:08,854 INFO L264 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 11:36:08,864 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:36:09,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:36:09,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 17 [2020-07-17 11:36:09,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970812208] [2020-07-17 11:36:09,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 11:36:09,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:09,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 11:36:09,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:36:09,057 INFO L87 Difference]: Start difference. First operand 1703 states and 2115 transitions. Second operand 17 states. [2020-07-17 11:36:09,635 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:10,323 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:11,034 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:36:11,300 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:11,604 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:12,035 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-17 11:36:12,308 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:36:12,563 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:36:14,674 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:14,957 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:36:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:16,172 INFO L93 Difference]: Finished difference Result 3498 states and 4620 transitions. [2020-07-17 11:36:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-07-17 11:36:16,172 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 172 [2020-07-17 11:36:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:16,184 INFO L225 Difference]: With dead ends: 3498 [2020-07-17 11:36:16,185 INFO L226 Difference]: Without dead ends: 1984 [2020-07-17 11:36:16,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 232 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=381, Invalid=1101, Unknown=0, NotChecked=0, Total=1482 [2020-07-17 11:36:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1984 states. [2020-07-17 11:36:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1984 to 1571. [2020-07-17 11:36:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1571 states. [2020-07-17 11:36:16,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 1946 transitions. [2020-07-17 11:36:16,540 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 1946 transitions. Word has length 172 [2020-07-17 11:36:16,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:16,541 INFO L479 AbstractCegarLoop]: Abstraction has 1571 states and 1946 transitions. [2020-07-17 11:36:16,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 11:36:16,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1946 transitions. [2020-07-17 11:36:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-17 11:36:16,552 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:16,553 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, 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] [2020-07-17 11:36:16,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:36:16,769 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:16,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1994438147, now seen corresponding path program 2 times [2020-07-17 11:36:16,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:16,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43656689] [2020-07-17 11:36:16,771 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,154 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 46 proven. 31 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-17 11:36:17,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43656689] [2020-07-17 11:36:17,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904188798] [2020-07-17 11:36:17,556 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:17,817 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-17 11:36:17,818 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-17 11:36:17,823 INFO L264 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-17 11:36:17,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:17,887 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-17 11:36:17,888 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 11:36:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 96 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-17 11:36:18,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:36:18,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2020-07-17 11:36:18,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361513092] [2020-07-17 11:36:18,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 11:36:18,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:18,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 11:36:18,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2020-07-17 11:36:18,064 INFO L87 Difference]: Start difference. First operand 1571 states and 1946 transitions. Second operand 23 states. [2020-07-17 11:36:19,391 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:19,695 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:36:22,417 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:22,680 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:22,933 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:36:23,393 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:23,932 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:36:26,128 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-07-17 11:36:27,240 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:27,809 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:28,306 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-07-17 11:36:28,816 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:29,324 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 11:36:29,799 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:30,339 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-17 11:36:31,573 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-17 11:36:32,077 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:36:32,534 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:36:33,933 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:34,402 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-07-17 11:36:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:35,710 INFO L93 Difference]: Finished difference Result 4822 states and 6466 transitions. [2020-07-17 11:36:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-17 11:36:35,711 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 241 [2020-07-17 11:36:35,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:35,730 INFO L225 Difference]: With dead ends: 4822 [2020-07-17 11:36:35,730 INFO L226 Difference]: Without dead ends: 3436 [2020-07-17 11:36:35,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 330 SyntacticMatches, 9 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=773, Invalid=3517, Unknown=0, NotChecked=0, Total=4290 [2020-07-17 11:36:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3436 states. [2020-07-17 11:36:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3436 to 2922. [2020-07-17 11:36:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2922 states. [2020-07-17 11:36:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2922 states and 3597 transitions. [2020-07-17 11:36:36,430 INFO L78 Accepts]: Start accepts. Automaton has 2922 states and 3597 transitions. Word has length 241 [2020-07-17 11:36:36,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:36,431 INFO L479 AbstractCegarLoop]: Abstraction has 2922 states and 3597 transitions. [2020-07-17 11:36:36,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 11:36:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3597 transitions. [2020-07-17 11:36:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-17 11:36:36,440 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:36:36,440 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, 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] [2020-07-17 11:36:36,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:36,654 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:36:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:36:36,654 INFO L82 PathProgramCache]: Analyzing trace with hash 267135103, now seen corresponding path program 1 times [2020-07-17 11:36:36,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:36:36,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263896098] [2020-07-17 11:36:36,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:36:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:36,976 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-17 11:36:37,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263896098] [2020-07-17 11:36:37,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327490890] [2020-07-17 11:36:37,250 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:36:37,491 INFO L264 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:36:37,497 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:36:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-17 11:36:37,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:36:37,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-17 11:36:37,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020788179] [2020-07-17 11:36:37,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:36:37,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:36:37,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:36:37,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:36:37,537 INFO L87 Difference]: Start difference. First operand 2922 states and 3597 transitions. Second operand 6 states. [2020-07-17 11:36:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:36:37,863 INFO L93 Difference]: Finished difference Result 3802 states and 4650 transitions. [2020-07-17 11:36:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:36:37,864 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2020-07-17 11:36:37,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:36:37,865 INFO L225 Difference]: With dead ends: 3802 [2020-07-17 11:36:37,865 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:36:37,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:36:37,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:36:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:36:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:36:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:36:37,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-07-17 11:36:37,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:36:37,882 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:36:37,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:36:37,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:36:37,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:36:38,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:36:38,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:36:39,916 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 279 [2020-07-17 11:36:44,290 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 266 [2020-07-17 11:36:44,703 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 279 [2020-07-17 11:36:45,383 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 228 [2020-07-17 11:36:46,401 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 276 [2020-07-17 11:36:47,375 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 11 [2020-07-17 11:36:47,518 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:36:47,893 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:36:49,126 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 202 DAG size of output: 29 [2020-07-17 11:36:49,504 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:36:49,860 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 25 [2020-07-17 11:36:50,333 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 13 [2020-07-17 11:36:50,472 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-17 11:36:51,057 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 14 [2020-07-17 11:36:51,309 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2020-07-17 11:36:51,597 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 22 [2020-07-17 11:36:51,790 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:36:52,167 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-07-17 11:36:52,528 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2020-07-17 11:36:52,940 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 21 [2020-07-17 11:36:53,597 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 24 [2020-07-17 11:36:53,764 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-17 11:36:54,515 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 20 [2020-07-17 11:36:54,929 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-17 11:36:55,326 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-17 11:36:55,659 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-17 11:36:56,037 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-17 11:36:56,517 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 18 [2020-07-17 11:36:56,669 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-17 11:36:56,820 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-17 11:36:57,332 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 14 [2020-07-17 11:36:58,398 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 195 DAG size of output: 28 [2020-07-17 11:36:58,704 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 11 [2020-07-17 11:36:59,083 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-07-17 11:36:59,391 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 10 [2020-07-17 11:36:59,731 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-17 11:36:59,865 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:37:00,259 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 25 [2020-07-17 11:37:00,404 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:37:00,783 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-07-17 11:37:01,171 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:01,440 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 11 [2020-07-17 11:37:01,770 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-17 11:37:02,153 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-07-17 11:37:02,472 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 13 [2020-07-17 11:37:02,623 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-17 11:37:02,763 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-17 11:37:03,141 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:03,471 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 26 [2020-07-17 11:37:03,850 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:04,240 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2020-07-17 11:37:04,472 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:37:04,628 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-17 11:37:05,108 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 13 [2020-07-17 11:37:05,620 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-07-17 11:37:05,992 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-17 11:37:06,465 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 11 [2020-07-17 11:37:06,619 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-07-17 11:37:07,789 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2020-07-17 11:37:08,407 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-17 11:37:08,554 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:37:08,558 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:37:08,558 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:37:08,559 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:37:08,560 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:37:08,560 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:08,560 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:37:08,560 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:37:08,560 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:37:08,561 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2020-07-17 11:37:08,561 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2020-07-17 11:37:08,561 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2020-07-17 11:37:08,561 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2020-07-17 11:37:08,561 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2020-07-17 11:37:08,561 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-07-17 11:37:08,562 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-07-17 11:37:08,562 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-17 11:37:08,562 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-17 11:37:08,562 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0)))) [2020-07-17 11:37:08,562 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-07-17 11:37:08,562 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-17 11:37:08,562 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-07-17 11:37:08,563 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-17 11:37:08,563 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-17 11:37:08,563 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 486 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,563 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2020-07-17 11:37:08,563 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:37:08,563 INFO L264 CegarLoopResult]: At program point L498-1(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:37:08,563 INFO L268 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2020-07-17 11:37:08,563 INFO L268 CegarLoopResult]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2020-07-17 11:37:08,564 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 11:37:08,564 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,564 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2020-07-17 11:37:08,564 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,564 INFO L264 CegarLoopResult]: At program point L492-1(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,564 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 11:37:08,564 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 11:37:08,565 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,566 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-17 11:37:08,566 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-17 11:37:08,567 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-17 11:37:08,567 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-17 11:37:08,567 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-07-17 11:37:08,568 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 473 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2020-07-17 11:37:08,569 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2020-07-17 11:37:08,570 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2020-07-17 11:37:08,570 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2020-07-17 11:37:08,570 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:08,571 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,571 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-17 11:37:08,571 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-17 11:37:08,571 INFO L268 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L264 CegarLoopResult]: At program point testENTRY(lines 949 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L264 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L264 CegarLoopResult]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-17 11:37:08,572 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-17 11:37:08,572 INFO L264 CegarLoopResult]: At program point L1007(lines 958 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:37:08,573 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse1 .cse0 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 1 ~waterLevel~0)))) [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L264 CegarLoopResult]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:37:08,573 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-17 11:37:08,573 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 626 648) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 626 648) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 626 648) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:08,574 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:37:08,575 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2020-07-17 11:37:08,576 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,577 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:37:08,577 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,577 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-07-17 11:37:08,577 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-17 11:37:08,577 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-17 11:37:08,577 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-07-17 11:37:08,577 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-07-17 11:37:08,577 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-07-17 11:37:08,578 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-07-17 11:37:08,578 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-17 11:37:08,579 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2020-07-17 11:37:08,579 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))) [2020-07-17 11:37:08,580 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-17 11:37:08,580 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-17 11:37:08,580 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-17 11:37:08,580 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-17 11:37:08,580 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (not .cse0) .cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse1) .cse0 (let ((.cse3 (+ ~waterLevel~0 1))) (and .cse2 (<= |old(~waterLevel~0)| .cse3) (<= .cse3 |old(~waterLevel~0)|))) (not (<= 2 |old(~waterLevel~0)|)))))) [2020-07-17 11:37:08,580 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (and .cse5 (not .cse1) .cse7))) (and (let ((.cse6 (+ ~waterLevel~0 1))) (let ((.cse2 (<= |old(~waterLevel~0)| .cse6)) (.cse4 (<= .cse6 |old(~waterLevel~0)|))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|)) (and .cse5 .cse2 .cse4)))) (or (and .cse3 .cse7) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))))) [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 11:37:08,581 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2020-07-17 11:37:08,581 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:37:08,582 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-17 11:37:08,582 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-17 11:37:08,582 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-17 11:37:08,583 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2020-07-17 11:37:08,583 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-17 11:37:08,584 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2020-07-17 11:37:08,584 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2020-07-17 11:37:08,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:37:08 BoogieIcfgContainer [2020-07-17 11:37:08,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:37:08,600 INFO L168 Benchmark]: Toolchain (without parser) took 97036.85 ms. Allocated memory was 142.6 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 98.3 MB in the beginning and 767.1 MB in the end (delta: -668.8 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,600 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.87 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 97.9 MB in the beginning and 169.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,601 INFO L168 Benchmark]: Boogie Preprocessor took 87.44 ms. Allocated memory is still 199.8 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,602 INFO L168 Benchmark]: RCFGBuilder took 1094.52 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 190.6 MB in the end (delta: -25.8 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,602 INFO L168 Benchmark]: TraceAbstraction took 95208.80 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 190.6 MB in the beginning and 767.1 MB in the end (delta: -576.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2020-07-17 11:37:08,605 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 142.6 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.87 ms. Allocated memory was 142.6 MB in the beginning and 199.8 MB in the end (delta: 57.1 MB). Free memory was 97.9 MB in the beginning and 169.1 MB in the end (delta: -71.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.44 ms. Allocated memory is still 199.8 MB. Free memory was 169.1 MB in the beginning and 164.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1094.52 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 164.8 MB in the beginning and 190.6 MB in the end (delta: -25.8 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 95208.80 ms. Allocated memory was 228.6 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 190.6 MB in the beginning and 767.1 MB in the end (delta: -576.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 2 <= waterLevel) && !(0 == systemActive))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && \old(waterLevel) <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 50.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2283 SDtfs, 4646 SDslu, 4464 SDs, 0 SdLazy, 15018 SolverSat, 3728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1979 GetRequests, 1731 SyntacticMatches, 16 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2027 ImplicationChecksByTransitivity, 21.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2922occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1470 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5836 PreInvPairs, 5984 NumberOfFragments, 1315 HoareAnnotationTreeSize, 5836 FomulaSimplifications, 1409837 FormulaSimplificationTreeSizeReduction, 8.8s HoareSimplificationTime, 72 FomulaSimplificationsInter, 108660 FormulaSimplificationTreeSizeReductionInter, 21.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 2710 NumberOfCodeBlocks, 2710 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2691 ConstructedInterpolants, 0 QuantifiedInterpolants, 1011834 SizeOfPredicates, 22 NumberOfNonLiveVariables, 6600 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 823/946 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...