/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:50,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:50,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:50,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:50,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:50,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:50,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:50,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:50,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:50,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:50,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:50,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:50,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:50,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:50,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:50,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:50,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:50,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:50,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:50,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:50,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:50,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:50,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:50,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:50,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:50,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:50,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:50,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:50,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:50,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:50,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:50,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:50,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:50,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:50,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:50,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:50,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:50,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:50,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:50,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:50,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:50,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:43:50,257 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:50,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:50,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:50,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:50,259 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:50,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:50,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:50,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:50,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:50,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:50,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:50,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:50,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:50,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:50,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:50,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:50,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:50,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:50,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:50,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:50,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:50,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:50,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:50,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:50,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:50,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:50,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:50,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:50,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:50,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:43:50,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:50,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:50,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:50,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:50,561 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:50,562 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 10:43:50,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff6c6da7/5588bf02e0b348f8ad1824237b96a88d/FLAG4b8144033 [2020-07-20 10:43:51,246 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:51,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-07-20 10:43:51,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff6c6da7/5588bf02e0b348f8ad1824237b96a88d/FLAG4b8144033 [2020-07-20 10:43:51,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ff6c6da7/5588bf02e0b348f8ad1824237b96a88d [2020-07-20 10:43:51,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:51,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:51,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:51,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:51,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:51,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:51" (1/1) ... [2020-07-20 10:43:51,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59145820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:51, skipping insertion in model container [2020-07-20 10:43:51,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:51" (1/1) ... [2020-07-20 10:43:51,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:51,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:52,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:52,072 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:52,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:52,178 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:52,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52 WrapperNode [2020-07-20 10:43:52,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:52,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:52,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:52,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:52,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... [2020-07-20 10:43:52,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:52,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:52,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:52,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:52,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:43:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:53,497 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:53,498 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:53,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:53 BoogieIcfgContainer [2020-07-20 10:43:53,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:53,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:53,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:53,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:53,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:51" (1/3) ... [2020-07-20 10:43:53,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fae162a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:53, skipping insertion in model container [2020-07-20 10:43:53,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:52" (2/3) ... [2020-07-20 10:43:53,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fae162a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:53, skipping insertion in model container [2020-07-20 10:43:53,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:53" (3/3) ... [2020-07-20 10:43:53,511 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-07-20 10:43:53,521 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:53,528 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:53,542 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:53,565 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:53,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:53,565 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:53,565 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:53,565 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:53,565 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:53,566 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:53,566 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-20 10:43:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:53,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:53,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:53,596 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:53,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:53,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2020-07-20 10:43:53,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:53,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893409405] [2020-07-20 10:43:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:53,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:53,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:53,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:53,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:53,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893409405] [2020-07-20 10:43:53,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:53,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:53,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680568385] [2020-07-20 10:43:53,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:53,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:53,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:53,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:53,948 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2020-07-20 10:43:53,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:53,992 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2020-07-20 10:43:53,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:53,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:53,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:54,005 INFO L225 Difference]: With dead ends: 280 [2020-07-20 10:43:54,005 INFO L226 Difference]: Without dead ends: 142 [2020-07-20 10:43:54,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-20 10:43:54,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-07-20 10:43:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-20 10:43:54,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-20 10:43:54,066 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2020-07-20 10:43:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:54,067 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-20 10:43:54,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-20 10:43:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:43:54,072 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:54,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:54,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,288 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:54,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:54,289 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2020-07-20 10:43:54,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:54,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992987733] [2020-07-20 10:43:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:54,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:54,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:54,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:54,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992987733] [2020-07-20 10:43:54,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:54,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:54,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148571232] [2020-07-20 10:43:54,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:54,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:54,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:54,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:54,575 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2020-07-20 10:43:54,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:54,619 INFO L93 Difference]: Finished difference Result 368 states and 447 transitions. [2020-07-20 10:43:54,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:54,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 10:43:54,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:54,625 INFO L225 Difference]: With dead ends: 368 [2020-07-20 10:43:54,625 INFO L226 Difference]: Without dead ends: 254 [2020-07-20 10:43:54,627 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:54,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-20 10:43:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 250. [2020-07-20 10:43:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-07-20 10:43:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 301 transitions. [2020-07-20 10:43:54,667 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 301 transitions. Word has length 64 [2020-07-20 10:43:54,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:54,669 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 301 transitions. [2020-07-20 10:43:54,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 301 transitions. [2020-07-20 10:43:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:43:54,675 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:54,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:54,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,896 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:54,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:54,897 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2020-07-20 10:43:54,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:54,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609440824] [2020-07-20 10:43:54,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:55,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:55,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:55,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:55,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609440824] [2020-07-20 10:43:55,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:55,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:55,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088526068] [2020-07-20 10:43:55,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:55,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:55,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:55,126 INFO L87 Difference]: Start difference. First operand 250 states and 301 transitions. Second operand 6 states. [2020-07-20 10:43:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:55,446 INFO L93 Difference]: Finished difference Result 610 states and 785 transitions. [2020-07-20 10:43:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:55,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:43:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:55,452 INFO L225 Difference]: With dead ends: 610 [2020-07-20 10:43:55,452 INFO L226 Difference]: Without dead ends: 388 [2020-07-20 10:43:55,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-07-20 10:43:55,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 378. [2020-07-20 10:43:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-07-20 10:43:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 469 transitions. [2020-07-20 10:43:55,509 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 469 transitions. Word has length 70 [2020-07-20 10:43:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:55,510 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 469 transitions. [2020-07-20 10:43:55,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 469 transitions. [2020-07-20 10:43:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 10:43:55,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:55,517 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:55,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:55,718 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:55,718 INFO L82 PathProgramCache]: Analyzing trace with hash 571882893, now seen corresponding path program 1 times [2020-07-20 10:43:55,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:55,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833807037] [2020-07-20 10:43:55,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:55,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:55,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:55,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:55,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833807037] [2020-07-20 10:43:55,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:55,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:55,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218262236] [2020-07-20 10:43:55,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:55,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:55,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:55,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:55,958 INFO L87 Difference]: Start difference. First operand 378 states and 469 transitions. Second operand 3 states. [2020-07-20 10:43:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:55,984 INFO L93 Difference]: Finished difference Result 609 states and 733 transitions. [2020-07-20 10:43:55,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:55,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-20 10:43:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:55,996 INFO L225 Difference]: With dead ends: 609 [2020-07-20 10:43:55,996 INFO L226 Difference]: Without dead ends: 342 [2020-07-20 10:43:55,997 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-07-20 10:43:56,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2020-07-20 10:43:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-07-20 10:43:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 413 transitions. [2020-07-20 10:43:56,035 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 413 transitions. Word has length 88 [2020-07-20 10:43:56,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,035 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 413 transitions. [2020-07-20 10:43:56,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 413 transitions. [2020-07-20 10:43:56,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:43:56,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,251 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2020-07-20 10:43:56,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369690108] [2020-07-20 10:43:56,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:56,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369690108] [2020-07-20 10:43:56,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:56,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868689506] [2020-07-20 10:43:56,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:56,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:56,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:56,456 INFO L87 Difference]: Start difference. First operand 342 states and 413 transitions. Second operand 3 states. [2020-07-20 10:43:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,528 INFO L93 Difference]: Finished difference Result 962 states and 1245 transitions. [2020-07-20 10:43:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:56,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 10:43:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,533 INFO L225 Difference]: With dead ends: 962 [2020-07-20 10:43:56,533 INFO L226 Difference]: Without dead ends: 648 [2020-07-20 10:43:56,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:56,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-20 10:43:56,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 645. [2020-07-20 10:43:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-20 10:43:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 816 transitions. [2020-07-20 10:43:56,574 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 816 transitions. Word has length 92 [2020-07-20 10:43:56,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,574 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 816 transitions. [2020-07-20 10:43:56,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:56,575 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 816 transitions. [2020-07-20 10:43:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 10:43:56,577 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,793 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1155970922, now seen corresponding path program 1 times [2020-07-20 10:43:56,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811670192] [2020-07-20 10:43:56,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:57,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811670192] [2020-07-20 10:43:57,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:57,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125688517] [2020-07-20 10:43:57,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:57,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:57,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:57,004 INFO L87 Difference]: Start difference. First operand 645 states and 816 transitions. Second operand 6 states. [2020-07-20 10:43:58,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,014 INFO L93 Difference]: Finished difference Result 2177 states and 2946 transitions. [2020-07-20 10:43:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:58,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-20 10:43:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,025 INFO L225 Difference]: With dead ends: 2177 [2020-07-20 10:43:58,025 INFO L226 Difference]: Without dead ends: 1560 [2020-07-20 10:43:58,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:43:58,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-07-20 10:43:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1440. [2020-07-20 10:43:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1440 states. [2020-07-20 10:43:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1884 transitions. [2020-07-20 10:43:58,138 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1884 transitions. Word has length 96 [2020-07-20 10:43:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,138 INFO L479 AbstractCegarLoop]: Abstraction has 1440 states and 1884 transitions. [2020-07-20 10:43:58,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1884 transitions. [2020-07-20 10:43:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:43:58,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:58,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,350 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:58,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:58,351 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2020-07-20 10:43:58,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:58,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316214458] [2020-07-20 10:43:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:58,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:58,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:58,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:58,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316214458] [2020-07-20 10:43:58,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:58,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:58,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133053068] [2020-07-20 10:43:58,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:58,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:58,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:58,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:58,553 INFO L87 Difference]: Start difference. First operand 1440 states and 1884 transitions. Second operand 6 states. [2020-07-20 10:43:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:58,630 INFO L93 Difference]: Finished difference Result 2882 states and 3878 transitions. [2020-07-20 10:43:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:58,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 10:43:58,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:58,639 INFO L225 Difference]: With dead ends: 2882 [2020-07-20 10:43:58,639 INFO L226 Difference]: Without dead ends: 1470 [2020-07-20 10:43:58,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:58,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-07-20 10:43:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1470. [2020-07-20 10:43:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2020-07-20 10:43:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1922 transitions. [2020-07-20 10:43:58,760 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1922 transitions. Word has length 92 [2020-07-20 10:43:58,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:58,760 INFO L479 AbstractCegarLoop]: Abstraction has 1470 states and 1922 transitions. [2020-07-20 10:43:58,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1922 transitions. [2020-07-20 10:43:58,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:43:58,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:58,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:58,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:58,978 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:58,979 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2020-07-20 10:43:58,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:58,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955104393] [2020-07-20 10:43:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:59,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:59,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955104393] [2020-07-20 10:43:59,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:59,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:43:59,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817832376] [2020-07-20 10:43:59,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:43:59,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:59,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:43:59,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:59,187 INFO L87 Difference]: Start difference. First operand 1470 states and 1922 transitions. Second operand 5 states. [2020-07-20 10:43:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,245 INFO L93 Difference]: Finished difference Result 2770 states and 3710 transitions. [2020-07-20 10:43:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:43:59,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 10:43:59,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,253 INFO L225 Difference]: With dead ends: 2770 [2020-07-20 10:43:59,253 INFO L226 Difference]: Without dead ends: 1328 [2020-07-20 10:43:59,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1328 states. [2020-07-20 10:43:59,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1328 to 1328. [2020-07-20 10:43:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-07-20 10:43:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1700 transitions. [2020-07-20 10:43:59,315 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1700 transitions. Word has length 92 [2020-07-20 10:43:59,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:59,316 INFO L479 AbstractCegarLoop]: Abstraction has 1328 states and 1700 transitions. [2020-07-20 10:43:59,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:43:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1700 transitions. [2020-07-20 10:43:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 10:43:59,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:59,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:59,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,532 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,533 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2020-07-20 10:43:59,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1130456107] [2020-07-20 10:43:59,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:59,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:59,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1130456107] [2020-07-20 10:43:59,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:59,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:43:59,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625417903] [2020-07-20 10:43:59,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:43:59,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:59,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:43:59,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:43:59,814 INFO L87 Difference]: Start difference. First operand 1328 states and 1700 transitions. Second operand 10 states. [2020-07-20 10:44:01,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,156 INFO L93 Difference]: Finished difference Result 3389 states and 4789 transitions. [2020-07-20 10:44:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:44:01,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-07-20 10:44:01,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,175 INFO L225 Difference]: With dead ends: 3389 [2020-07-20 10:44:01,176 INFO L226 Difference]: Without dead ends: 2089 [2020-07-20 10:44:01,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:44:01,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-07-20 10:44:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1461. [2020-07-20 10:44:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1461 states. [2020-07-20 10:44:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1810 transitions. [2020-07-20 10:44:01,309 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1810 transitions. Word has length 96 [2020-07-20 10:44:01,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,311 INFO L479 AbstractCegarLoop]: Abstraction has 1461 states and 1810 transitions. [2020-07-20 10:44:01,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:01,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1810 transitions. [2020-07-20 10:44:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-20 10:44:01,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:01,317 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:01,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:01,532 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:01,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:01,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1405851946, now seen corresponding path program 1 times [2020-07-20 10:44:01,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:01,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575592448] [2020-07-20 10:44:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:01,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:44:01,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:01,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:44:01,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575592448] [2020-07-20 10:44:01,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:44:01,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:44:01,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244632199] [2020-07-20 10:44:01,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:44:01,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:01,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:44:01,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:01,740 INFO L87 Difference]: Start difference. First operand 1461 states and 1810 transitions. Second operand 3 states. [2020-07-20 10:44:01,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,821 INFO L93 Difference]: Finished difference Result 1822 states and 2251 transitions. [2020-07-20 10:44:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:44:01,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-20 10:44:01,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,826 INFO L225 Difference]: With dead ends: 1822 [2020-07-20 10:44:01,826 INFO L226 Difference]: Without dead ends: 675 [2020-07-20 10:44:01,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:44:01,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-20 10:44:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 657. [2020-07-20 10:44:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-07-20 10:44:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 783 transitions. [2020-07-20 10:44:01,862 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 783 transitions. Word has length 137 [2020-07-20 10:44:01,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,862 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 783 transitions. [2020-07-20 10:44:01,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:44:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 783 transitions. [2020-07-20 10:44:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 10:44:01,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:44:01,865 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:44:02,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:02,079 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:44:02,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:44:02,079 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2020-07-20 10:44:02,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:44:02,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [658195400] [2020-07-20 10:44:02,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:02,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:02,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:02,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 10:44:02,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [658195400] [2020-07-20 10:44:02,713 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:02,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:02,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081212151] [2020-07-20 10:44:02,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:02,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:02,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:02,714 INFO L87 Difference]: Start difference. First operand 657 states and 783 transitions. Second operand 10 states. [2020-07-20 10:44:03,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:03,554 INFO L93 Difference]: Finished difference Result 1413 states and 1712 transitions. [2020-07-20 10:44:03,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:03,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-07-20 10:44:03,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:03,555 INFO L225 Difference]: With dead ends: 1413 [2020-07-20 10:44:03,555 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:03,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 297 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:03,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-20 10:44:03,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:03,563 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:03,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:03,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:03,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:03,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:05,579 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 10:44:05,940 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 10:44:06,359 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 10:44:06,624 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 10:44:07,134 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 10:44:07,568 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-20 10:44:07,895 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2020-07-20 10:44:08,011 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2020-07-20 10:44:08,163 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 10:44:08,536 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 10:44:09,054 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 10:44:09,603 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 51 [2020-07-20 10:44:09,799 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 10:44:09,950 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2020-07-20 10:44:10,058 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 10:44:10,063 INFO L268 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-07-20 10:44:10,063 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2020-07-20 10:44:10,063 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2020-07-20 10:44:10,063 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 10:44:10,063 INFO L268 CegarLoopResult]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2020-07-20 10:44:10,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2020-07-20 10:44:10,064 INFO L268 CegarLoopResult]: For program point L612(lines 589 613) no Hoare annotation was computed. [2020-07-20 10:44:10,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2020-07-20 10:44:10,064 INFO L268 CegarLoopResult]: For program point L673(lines 646 674) no Hoare annotation was computed. [2020-07-20 10:44:10,064 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2020-07-20 10:44:10,065 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L268 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L268 CegarLoopResult]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 10:44:10,066 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 10:44:10,066 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 10:44:10,066 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: true [2020-07-20 10:44:10,067 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2020-07-20 10:44:10,067 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2020-07-20 10:44:10,067 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:10,067 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 10:44:10,067 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2020-07-20 10:44:10,067 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2020-07-20 10:44:10,068 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:10,068 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2020-07-20 10:44:10,068 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-07-20 10:44:10,068 INFO L268 CegarLoopResult]: For program point L495(lines 495 505) no Hoare annotation was computed. [2020-07-20 10:44:10,068 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:10,069 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-20 10:44:10,069 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2020-07-20 10:44:10,069 INFO L268 CegarLoopResult]: For program point L491(lines 491 508) no Hoare annotation was computed. [2020-07-20 10:44:10,069 INFO L268 CegarLoopResult]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2020-07-20 10:44:10,069 INFO L271 CegarLoopResult]: At program point L489(line 489) the Hoare annotation is: true [2020-07-20 10:44:10,069 INFO L268 CegarLoopResult]: For program point L489-1(line 489) no Hoare annotation was computed. [2020-07-20 10:44:10,069 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,070 INFO L264 CegarLoopResult]: At program point L384-1(line 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,070 INFO L268 CegarLoopResult]: For program point L382(lines 382 389) no Hoare annotation was computed. [2020-07-20 10:44:10,070 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 372 394) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,070 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2020-07-20 10:44:10,070 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-20 10:44:10,070 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,071 INFO L264 CegarLoopResult]: At program point L378(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,071 INFO L264 CegarLoopResult]: At program point L378-1(line 378) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,071 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2020-07-20 10:44:10,071 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2020-07-20 10:44:10,071 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2020-07-20 10:44:10,071 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2020-07-20 10:44:10,071 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L345(line 345) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-20 10:44:10,072 INFO L268 CegarLoopResult]: For program point L339(line 339) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L337(line 337) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2020-07-20 10:44:10,073 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:10,073 INFO L268 CegarLoopResult]: For program point L283(lines 283 289) no Hoare annotation was computed. [2020-07-20 10:44:10,074 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 10:44:10,074 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2020-07-20 10:44:10,074 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2020-07-20 10:44:10,074 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2020-07-20 10:44:10,074 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2020-07-20 10:44:10,074 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-07-20 10:44:10,074 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point L243(lines 243 251) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point L231(lines 231 239) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2020-07-20 10:44:10,075 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point L846(lines 846 866) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2020-07-20 10:44:10,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2020-07-20 10:44:10,077 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2020-07-20 10:44:10,077 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,077 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,077 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2020-07-20 10:44:10,077 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2020-07-20 10:44:10,077 INFO L271 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: true [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-20 10:44:10,078 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2020-07-20 10:44:10,078 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2020-07-20 10:44:10,078 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2020-07-20 10:44:10,079 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2020-07-20 10:44:10,079 INFO L268 CegarLoopResult]: For program point L962(lines 962 968) no Hoare annotation was computed. [2020-07-20 10:44:10,079 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2020-07-20 10:44:10,079 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2020-07-20 10:44:10,079 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:10,079 INFO L268 CegarLoopResult]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2020-07-20 10:44:10,079 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:10,080 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,080 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,080 INFO L268 CegarLoopResult]: For program point L171(lines 171 179) no Hoare annotation was computed. [2020-07-20 10:44:10,080 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,080 INFO L268 CegarLoopResult]: For program point L169-1(line 169) no Hoare annotation was computed. [2020-07-20 10:44:10,080 INFO L268 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-07-20 10:44:10,081 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2020-07-20 10:44:10,081 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2020-07-20 10:44:10,081 INFO L264 CegarLoopResult]: At program point testENTRY(lines 396 461) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,081 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 10:44:10,081 INFO L268 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-07-20 10:44:10,081 INFO L264 CegarLoopResult]: At program point L442-1(lines 436 449) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:10,082 INFO L268 CegarLoopResult]: For program point L407(lines 406 453) no Hoare annotation was computed. [2020-07-20 10:44:10,082 INFO L268 CegarLoopResult]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2020-07-20 10:44:10,082 INFO L268 CegarLoopResult]: For program point L436(lines 436 449) no Hoare annotation was computed. [2020-07-20 10:44:10,082 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:10,082 INFO L268 CegarLoopResult]: For program point L426(lines 426 432) no Hoare annotation was computed. [2020-07-20 10:44:10,082 INFO L268 CegarLoopResult]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2020-07-20 10:44:10,082 INFO L264 CegarLoopResult]: At program point L451(lines 406 453) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:10,083 INFO L264 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:10,083 INFO L268 CegarLoopResult]: For program point L416(lines 416 422) no Hoare annotation was computed. [2020-07-20 10:44:10,083 INFO L268 CegarLoopResult]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2020-07-20 10:44:10,083 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-07-20 10:44:10,083 INFO L264 CegarLoopResult]: At program point L454(lines 405 455) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:10,083 INFO L268 CegarLoopResult]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2020-07-20 10:44:10,083 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point L934(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:10,084 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point L733(lines 732 752) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 10:44:10,085 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L729(lines 729 770) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L771(lines 771 782) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L734(lines 734 738) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2020-07-20 10:44:10,086 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point L753(lines 731 754) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point L712(lines 712 728) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point L772(lines 772 779) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2020-07-20 10:44:10,087 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2020-07-20 10:44:10,088 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 188 195) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:10,088 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2020-07-20 10:44:10,088 INFO L268 CegarLoopResult]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-07-20 10:44:10,088 INFO L271 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: true [2020-07-20 10:44:10,088 INFO L268 CegarLoopResult]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2020-07-20 10:44:10,088 INFO L268 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-07-20 10:44:10,088 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2020-07-20 10:44:10,088 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: true [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,089 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,090 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,090 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2020-07-20 10:44:10,090 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2020-07-20 10:44:10,090 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2020-07-20 10:44:10,090 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse3 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse5 .cse6) (or .cse0 .cse1 (and .cse2 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse4) .cse6 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:10,091 INFO L264 CegarLoopResult]: At program point L116(lines 116 122) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and (<= ~waterLevel~0 2) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (let ((.cse10 (<= 1 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 1))) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse4 .cse13 (and .cse10 .cse0 .cse14 .cse11))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse7 .cse8 (and .cse9 .cse6 .cse12) (and .cse6 .cse0 .cse14)) (let ((.cse15 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse15 .cse6 .cse0) .cse3 (and .cse15 .cse6 .cse12) .cse4 .cse13)) (or .cse5 .cse7 (and .cse6 .cse0 .cse1) .cse3))) [2020-07-20 10:44:10,091 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (and .cse7 (= 0 ~pumpRunning~0) .cse9)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse6 .cse5 .cse2) (or (and .cse7 .cse8 .cse9) .cse6 .cse10 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse4 .cse6 .cse10 (and .cse5 .cse8 .cse9)) (or .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3) (or .cse6 .cse0 .cse2 .cse3) (or .cse11 .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse10 .cse3)))) [2020-07-20 10:44:10,091 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 10:44:10,091 INFO L268 CegarLoopResult]: For program point L109(lines 105 127) no Hoare annotation was computed. [2020-07-20 10:44:10,091 INFO L268 CegarLoopResult]: For program point L107(lines 105 127) no Hoare annotation was computed. [2020-07-20 10:44:10,091 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2020-07-20 10:44:10,091 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2020-07-20 10:44:10,092 INFO L271 CegarLoopResult]: At program point L321(lines 296 325) the Hoare annotation is: true [2020-07-20 10:44:10,092 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2020-07-20 10:44:10,092 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-07-20 10:44:10,092 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2020-07-20 10:44:10,092 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 10:44:10,092 INFO L271 CegarLoopResult]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2020-07-20 10:44:10,092 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 10:44:10,092 INFO L271 CegarLoopResult]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2020-07-20 10:44:10,093 INFO L271 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: true [2020-07-20 10:44:10,093 INFO L268 CegarLoopResult]: For program point L302-1(line 302) no Hoare annotation was computed. [2020-07-20 10:44:10,093 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:44:10,093 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2020-07-20 10:44:10,093 INFO L268 CegarLoopResult]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2020-07-20 10:44:10,093 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2020-07-20 10:44:10,093 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2020-07-20 10:44:10,093 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,094 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:10,094 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:10,094 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:10,094 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:10,094 INFO L264 CegarLoopResult]: At program point L156(line 156) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,094 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2020-07-20 10:44:10,094 INFO L268 CegarLoopResult]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2020-07-20 10:44:10,095 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,095 INFO L264 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:10,095 INFO L268 CegarLoopResult]: For program point L145(lines 145 153) no Hoare annotation was computed. [2020-07-20 10:44:10,095 INFO L264 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:10,095 INFO L268 CegarLoopResult]: For program point L143-1(line 143) no Hoare annotation was computed. [2020-07-20 10:44:10,095 INFO L268 CegarLoopResult]: For program point L141(lines 141 158) no Hoare annotation was computed. [2020-07-20 10:44:10,095 INFO L268 CegarLoopResult]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2020-07-20 10:44:10,095 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2020-07-20 10:44:10,096 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse7 .cse9)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse4 .cse3) (or .cse1 .cse5 .cse2 .cse6) (or .cse1 .cse5 .cse4 (not (<= 2 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse7 .cse8 .cse2) (or .cse8 .cse5 .cse2 .cse6)))) [2020-07-20 10:44:10,096 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:10,096 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 10:44:10,096 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 10:44:10,096 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 10:44:10,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:10 BoogieIcfgContainer [2020-07-20 10:44:10,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:10,120 INFO L168 Benchmark]: Toolchain (without parser) took 18616.45 ms. Allocated memory was 138.4 MB in the beginning and 495.5 MB in the end (delta: 357.0 MB). Free memory was 100.9 MB in the beginning and 122.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 337.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,121 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.78 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 169.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,122 INFO L168 Benchmark]: Boogie Preprocessor took 87.75 ms. Allocated memory is still 201.9 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,123 INFO L168 Benchmark]: RCFGBuilder took 1235.51 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,124 INFO L168 Benchmark]: TraceAbstraction took 16610.94 ms. Allocated memory was 234.4 MB in the beginning and 495.5 MB in the end (delta: 261.1 MB). Free memory was 193.7 MB in the beginning and 122.9 MB in the end (delta: 70.9 MB). Peak memory consumption was 334.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:10,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.78 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 169.0 MB in the end (delta: -68.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.75 ms. Allocated memory is still 201.9 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.51 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 164.2 MB in the beginning and 193.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16610.94 ms. Allocated memory was 234.4 MB in the beginning and 495.5 MB in the end (delta: 261.1 MB). Free memory was 193.7 MB in the beginning and 122.9 MB in the end (delta: 70.9 MB). Peak memory consumption was 334.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2126 SDtfs, 1482 SDslu, 3699 SDs, 0 SdLazy, 2305 SolverSat, 622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1144 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1470occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 783 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3628 PreInvPairs, 3792 NumberOfFragments, 1977 HoareAnnotationTreeSize, 3628 FomulaSimplifications, 6508 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 12879 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1041 NumberOfCodeBlocks, 1041 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 233066 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8620 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 122/144 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...