/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:37:59,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:37:59,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:37:59,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:37:59,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:37:59,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:37:59,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:37:59,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:37:59,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:37:59,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:37:59,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:37:59,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:37:59,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:37:59,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:37:59,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:37:59,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:37:59,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:37:59,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:37:59,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:37:59,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:37:59,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:37:59,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:37:59,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:37:59,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:37:59,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:37:59,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:37:59,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:37:59,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:37:59,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:37:59,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:37:59,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:37:59,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:37:59,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:37:59,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:37:59,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:37:59,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:37:59,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:37:59,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:37:59,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:37:59,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:37:59,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:37:59,241 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:37:59,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:37:59,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:37:59,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:37:59,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:37:59,258 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:37:59,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:37:59,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:37:59,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:37:59,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:37:59,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:37:59,260 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:37:59,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:37:59,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:37:59,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:37:59,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:37:59,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:37:59,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:37:59,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:37:59,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:37:59,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:37:59,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:37:59,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:37:59,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:37:59,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:37:59,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:37:59,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:37:59,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:37:59,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:37:59,569 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:37:59,569 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:37:59,570 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-21 10:37:59,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d081f1f5/d787b8db701e4cddb7816868f884d3bc/FLAGbf10e82f8 [2020-07-21 10:38:00,242 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:00,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-21 10:38:00,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d081f1f5/d787b8db701e4cddb7816868f884d3bc/FLAGbf10e82f8 [2020-07-21 10:38:00,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d081f1f5/d787b8db701e4cddb7816868f884d3bc [2020-07-21 10:38:00,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:00,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:00,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:00,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:00,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:00,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:00" (1/1) ... [2020-07-21 10:38:00,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327a3214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:00, skipping insertion in model container [2020-07-21 10:38:00,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:00" (1/1) ... [2020-07-21 10:38:00,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:00,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:01,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:01,147 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:01,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:01,265 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:01,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01 WrapperNode [2020-07-21 10:38:01,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:01,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:01,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:01,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:01,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... [2020-07-21 10:38:01,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:01,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:01,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:01,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:01,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:38:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:38:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:38:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:02,515 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:02,516 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:02,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:02 BoogieIcfgContainer [2020-07-21 10:38:02,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:02,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:02,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:02,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:02,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:00" (1/3) ... [2020-07-21 10:38:02,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31001a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:02, skipping insertion in model container [2020-07-21 10:38:02,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:01" (2/3) ... [2020-07-21 10:38:02,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31001a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:02, skipping insertion in model container [2020-07-21 10:38:02,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:02" (3/3) ... [2020-07-21 10:38:02,534 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-21 10:38:02,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:02,553 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:02,568 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:02,594 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:02,594 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:02,594 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:02,594 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:02,595 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:02,595 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:02,595 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:02,595 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 10:38:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:38:02,627 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:02,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:02,628 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:02,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:02,633 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-07-21 10:38:02,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:02,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895472016] [2020-07-21 10:38:02,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:02,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:02,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:02,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:02,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895472016] [2020-07-21 10:38:02,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:02,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:02,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120756378] [2020-07-21 10:38:02,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:02,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:02,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:02,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:02,976 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 10:38:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:03,026 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2020-07-21 10:38:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:03,028 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:38:03,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:03,046 INFO L225 Difference]: With dead ends: 276 [2020-07-21 10:38:03,046 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 10:38:03,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 10:38:03,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 10:38:03,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 10:38:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-21 10:38:03,157 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-07-21 10:38:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:03,157 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-21 10:38:03,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-21 10:38:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:38:03,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:03,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:03,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:03,375 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:03,376 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-07-21 10:38:03,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:03,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607933667] [2020-07-21 10:38:03,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:03,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:38:03,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:03,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:03,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607933667] [2020-07-21 10:38:03,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:03,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:03,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239035259] [2020-07-21 10:38:03,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:03,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:03,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:03,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:03,681 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2020-07-21 10:38:03,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:03,722 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2020-07-21 10:38:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:03,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:38:03,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:03,728 INFO L225 Difference]: With dead ends: 215 [2020-07-21 10:38:03,729 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 10:38:03,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 10:38:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 10:38:03,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 10:38:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-21 10:38:03,764 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-07-21 10:38:03,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:03,764 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-21 10:38:03,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-21 10:38:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:38:03,766 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:03,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:03,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:03,981 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:03,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:03,982 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-07-21 10:38:03,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:03,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878483030] [2020-07-21 10:38:03,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:04,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:04,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:04,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:04,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878483030] [2020-07-21 10:38:04,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:04,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:04,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149979086] [2020-07-21 10:38:04,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:04,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:04,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:04,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:04,199 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 3 states. [2020-07-21 10:38:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:04,237 INFO L93 Difference]: Finished difference Result 335 states and 401 transitions. [2020-07-21 10:38:04,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:04,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:38:04,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:04,241 INFO L225 Difference]: With dead ends: 335 [2020-07-21 10:38:04,241 INFO L226 Difference]: Without dead ends: 230 [2020-07-21 10:38:04,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:04,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-21 10:38:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 224. [2020-07-21 10:38:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-21 10:38:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 267 transitions. [2020-07-21 10:38:04,268 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 267 transitions. Word has length 52 [2020-07-21 10:38:04,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:04,269 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 267 transitions. [2020-07-21 10:38:04,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 267 transitions. [2020-07-21 10:38:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:38:04,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:04,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:04,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:04,486 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:04,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:04,487 INFO L82 PathProgramCache]: Analyzing trace with hash -885199720, now seen corresponding path program 1 times [2020-07-21 10:38:04,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:04,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778010214] [2020-07-21 10:38:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:04,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 10:38:04,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:04,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:04,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778010214] [2020-07-21 10:38:04,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:04,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:04,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248399804] [2020-07-21 10:38:04,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:04,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:04,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:04,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:04,731 INFO L87 Difference]: Start difference. First operand 224 states and 267 transitions. Second operand 6 states. [2020-07-21 10:38:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:05,003 INFO L93 Difference]: Finished difference Result 605 states and 759 transitions. [2020-07-21 10:38:05,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:05,003 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:38:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:05,008 INFO L225 Difference]: With dead ends: 605 [2020-07-21 10:38:05,008 INFO L226 Difference]: Without dead ends: 405 [2020-07-21 10:38:05,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:05,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-07-21 10:38:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2020-07-21 10:38:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-21 10:38:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 504 transitions. [2020-07-21 10:38:05,042 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 504 transitions. Word has length 57 [2020-07-21 10:38:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:05,043 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 504 transitions. [2020-07-21 10:38:05,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 504 transitions. [2020-07-21 10:38:05,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 10:38:05,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:05,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:05,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:05,261 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:05,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1426922018, now seen corresponding path program 1 times [2020-07-21 10:38:05,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:05,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519274665] [2020-07-21 10:38:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:05,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:38:05,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:05,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:05,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519274665] [2020-07-21 10:38:05,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:05,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:05,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965587038] [2020-07-21 10:38:05,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:05,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:05,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:05,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:05,465 INFO L87 Difference]: Start difference. First operand 405 states and 504 transitions. Second operand 6 states. [2020-07-21 10:38:05,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:05,716 INFO L93 Difference]: Finished difference Result 946 states and 1243 transitions. [2020-07-21 10:38:05,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:38:05,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 10:38:05,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:05,721 INFO L225 Difference]: With dead ends: 946 [2020-07-21 10:38:05,721 INFO L226 Difference]: Without dead ends: 565 [2020-07-21 10:38:05,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-21 10:38:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 547. [2020-07-21 10:38:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-07-21 10:38:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 691 transitions. [2020-07-21 10:38:05,756 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 691 transitions. Word has length 61 [2020-07-21 10:38:05,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:05,756 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 691 transitions. [2020-07-21 10:38:05,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 691 transitions. [2020-07-21 10:38:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 10:38:05,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:05,759 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:05,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:05,975 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:05,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:05,976 INFO L82 PathProgramCache]: Analyzing trace with hash 77918244, now seen corresponding path program 1 times [2020-07-21 10:38:05,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:05,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268198028] [2020-07-21 10:38:05,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:06,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:38:06,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:06,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-21 10:38:06,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:06,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268198028] [2020-07-21 10:38:06,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:06,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:06,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503242262] [2020-07-21 10:38:06,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:06,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:06,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:06,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:06,172 INFO L87 Difference]: Start difference. First operand 547 states and 691 transitions. Second operand 3 states. [2020-07-21 10:38:06,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:06,239 INFO L93 Difference]: Finished difference Result 906 states and 1147 transitions. [2020-07-21 10:38:06,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:06,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 10:38:06,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:06,244 INFO L225 Difference]: With dead ends: 906 [2020-07-21 10:38:06,245 INFO L226 Difference]: Without dead ends: 383 [2020-07-21 10:38:06,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:06,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-21 10:38:06,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 373. [2020-07-21 10:38:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-21 10:38:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 458 transitions. [2020-07-21 10:38:06,287 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 458 transitions. Word has length 113 [2020-07-21 10:38:06,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:06,288 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 458 transitions. [2020-07-21 10:38:06,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 458 transitions. [2020-07-21 10:38:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 10:38:06,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:06,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:06,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:06,505 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:06,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:06,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1096635069, now seen corresponding path program 1 times [2020-07-21 10:38:06,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:06,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1133640243] [2020-07-21 10:38:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:06,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:06,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:06,780 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 10:38:06,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:06,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1133640243] [2020-07-21 10:38:06,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:06,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:06,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984550638] [2020-07-21 10:38:06,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:06,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:06,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:06,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:06,783 INFO L87 Difference]: Start difference. First operand 373 states and 458 transitions. Second operand 6 states. [2020-07-21 10:38:06,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:06,825 INFO L93 Difference]: Finished difference Result 732 states and 922 transitions. [2020-07-21 10:38:06,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:06,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-21 10:38:06,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:06,828 INFO L225 Difference]: With dead ends: 732 [2020-07-21 10:38:06,829 INFO L226 Difference]: Without dead ends: 383 [2020-07-21 10:38:06,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:38:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-21 10:38:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2020-07-21 10:38:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-07-21 10:38:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 469 transitions. [2020-07-21 10:38:06,850 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 469 transitions. Word has length 134 [2020-07-21 10:38:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:06,850 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 469 transitions. [2020-07-21 10:38:06,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 469 transitions. [2020-07-21 10:38:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 10:38:06,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:06,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:07,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:07,067 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:07,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:07,068 INFO L82 PathProgramCache]: Analyzing trace with hash -782495877, now seen corresponding path program 1 times [2020-07-21 10:38:07,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:07,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124967736] [2020-07-21 10:38:07,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:07,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:38:07,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 10:38:07,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:07,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124967736] [2020-07-21 10:38:07,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:07,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:38:07,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756921727] [2020-07-21 10:38:07,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:38:07,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:07,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:38:07,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:38:07,287 INFO L87 Difference]: Start difference. First operand 383 states and 469 transitions. Second operand 5 states. [2020-07-21 10:38:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:07,320 INFO L93 Difference]: Finished difference Result 740 states and 933 transitions. [2020-07-21 10:38:07,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:38:07,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-07-21 10:38:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:07,325 INFO L225 Difference]: With dead ends: 740 [2020-07-21 10:38:07,325 INFO L226 Difference]: Without dead ends: 381 [2020-07-21 10:38:07,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:38:07,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-21 10:38:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2020-07-21 10:38:07,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-21 10:38:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 462 transitions. [2020-07-21 10:38:07,349 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 462 transitions. Word has length 134 [2020-07-21 10:38:07,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:07,350 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 462 transitions. [2020-07-21 10:38:07,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:38:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 462 transitions. [2020-07-21 10:38:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 10:38:07,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:07,356 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:07,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:07,571 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:07,572 INFO L82 PathProgramCache]: Analyzing trace with hash 867640922, now seen corresponding path program 1 times [2020-07-21 10:38:07,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:07,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2091231806] [2020-07-21 10:38:07,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:07,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:38:07,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:07,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:07,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2091231806] [2020-07-21 10:38:07,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:07,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:07,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783343242] [2020-07-21 10:38:07,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:07,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:07,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:07,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:07,837 INFO L87 Difference]: Start difference. First operand 381 states and 462 transitions. Second operand 6 states. [2020-07-21 10:38:08,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:08,775 INFO L93 Difference]: Finished difference Result 1093 states and 1400 transitions. [2020-07-21 10:38:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:38:08,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-21 10:38:08,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:08,783 INFO L225 Difference]: With dead ends: 1093 [2020-07-21 10:38:08,783 INFO L226 Difference]: Without dead ends: 736 [2020-07-21 10:38:08,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:38:08,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-21 10:38:08,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 707. [2020-07-21 10:38:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-07-21 10:38:08,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 863 transitions. [2020-07-21 10:38:08,826 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 863 transitions. Word has length 134 [2020-07-21 10:38:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:08,827 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 863 transitions. [2020-07-21 10:38:08,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 863 transitions. [2020-07-21 10:38:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 10:38:08,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:08,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:09,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:09,045 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:09,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:09,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1152526356, now seen corresponding path program 1 times [2020-07-21 10:38:09,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:09,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689648490] [2020-07-21 10:38:09,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:09,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:09,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:09,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:38:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 10:38:09,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689648490] [2020-07-21 10:38:09,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:38:09,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-21 10:38:09,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249906258] [2020-07-21 10:38:09,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 10:38:09,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 10:38:09,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:38:09,690 INFO L87 Difference]: Start difference. First operand 707 states and 863 transitions. Second operand 12 states. [2020-07-21 10:38:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:11,277 INFO L93 Difference]: Finished difference Result 1925 states and 2551 transitions. [2020-07-21 10:38:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:38:11,278 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2020-07-21 10:38:11,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:11,288 INFO L225 Difference]: With dead ends: 1925 [2020-07-21 10:38:11,288 INFO L226 Difference]: Without dead ends: 1242 [2020-07-21 10:38:11,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 264 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-21 10:38:11,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-07-21 10:38:11,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 961. [2020-07-21 10:38:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-07-21 10:38:11,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1176 transitions. [2020-07-21 10:38:11,411 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1176 transitions. Word has length 138 [2020-07-21 10:38:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:11,414 INFO L479 AbstractCegarLoop]: Abstraction has 961 states and 1176 transitions. [2020-07-21 10:38:11,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 10:38:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1176 transitions. [2020-07-21 10:38:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 10:38:11,418 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:11,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:11,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:11,629 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:11,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:11,630 INFO L82 PathProgramCache]: Analyzing trace with hash 2082208677, now seen corresponding path program 2 times [2020-07-21 10:38:11,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:11,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589803976] [2020-07-21 10:38:11,631 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 [2020-07-21 10:38:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:11,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:38:11,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:11,950 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 10:38:11,950 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 10:38:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 94 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 10:38:12,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:38:12,257 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:38:12,319 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 10:38:12,319 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:38:12,377 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 10:38:12,378 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:38:12,401 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 10:38:12,401 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:38:12,445 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:38:12,638 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-21 10:38:12,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589803976] [2020-07-21 10:38:12,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:38:12,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-21 10:38:12,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701478691] [2020-07-21 10:38:12,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-21 10:38:12,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:12,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-21 10:38:12,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-21 10:38:12,641 INFO L87 Difference]: Start difference. First operand 961 states and 1176 transitions. Second operand 16 states. [2020-07-21 10:38:15,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:15,192 INFO L93 Difference]: Finished difference Result 2730 states and 3660 transitions. [2020-07-21 10:38:15,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-21 10:38:15,194 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 192 [2020-07-21 10:38:15,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:15,206 INFO L225 Difference]: With dead ends: 2730 [2020-07-21 10:38:15,206 INFO L226 Difference]: Without dead ends: 1933 [2020-07-21 10:38:15,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-21 10:38:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-07-21 10:38:15,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1491. [2020-07-21 10:38:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-07-21 10:38:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1822 transitions. [2020-07-21 10:38:15,331 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1822 transitions. Word has length 192 [2020-07-21 10:38:15,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:15,332 INFO L479 AbstractCegarLoop]: Abstraction has 1491 states and 1822 transitions. [2020-07-21 10:38:15,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-21 10:38:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1822 transitions. [2020-07-21 10:38:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 10:38:15,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:15,338 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:15,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:15,553 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:15,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:15,554 INFO L82 PathProgramCache]: Analyzing trace with hash 123633891, now seen corresponding path program 1 times [2020-07-21 10:38:15,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:15,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753998133] [2020-07-21 10:38:15,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:15,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 10:38:15,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 10:38:15,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:15,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753998133] [2020-07-21 10:38:15,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:15,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:15,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24798576] [2020-07-21 10:38:15,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:15,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:15,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:15,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:15,801 INFO L87 Difference]: Start difference. First operand 1491 states and 1822 transitions. Second operand 6 states. [2020-07-21 10:38:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:15,853 INFO L93 Difference]: Finished difference Result 1939 states and 2349 transitions. [2020-07-21 10:38:15,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:15,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-21 10:38:15,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:15,855 INFO L225 Difference]: With dead ends: 1939 [2020-07-21 10:38:15,855 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:38:15,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:38:15,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:38:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:38:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:38:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:38:15,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-21 10:38:15,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:15,861 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:38:15,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:38:15,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:38:16,076 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:16,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:38:17,949 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-21 10:38:18,317 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-21 10:38:18,527 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-21 10:38:18,780 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 10:38:19,158 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2020-07-21 10:38:19,522 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-21 10:38:20,069 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-07-21 10:38:20,171 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 10:38:20,382 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-07-21 10:38:20,661 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-07-21 10:38:20,662 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 10:38:20,663 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-07-21 10:38:20,663 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-07-21 10:38:20,663 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-07-21 10:38:20,663 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-07-21 10:38:20,663 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-07-21 10:38:20,664 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-07-21 10:38:20,664 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-07-21 10:38:20,664 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-07-21 10:38:20,664 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-21 10:38:20,665 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-21 10:38:20,665 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-21 10:38:20,665 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-21 10:38:20,665 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-21 10:38:20,665 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-07-21 10:38:20,665 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-07-21 10:38:20,665 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-21 10:38:20,666 INFO L264 CegarLoopResult]: At program point L897(line 897) 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)|))) [2020-07-21 10:38:20,666 INFO L264 CegarLoopResult]: At program point L896(line 896) 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)|))) [2020-07-21 10:38:20,666 INFO L264 CegarLoopResult]: At program point L896-1(line 896) 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)|))) [2020-07-21 10:38:20,666 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) 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)|))) [2020-07-21 10:38:20,666 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-07-21 10:38:20,667 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-07-21 10:38:20,667 INFO L264 CegarLoopResult]: At program point L902(line 902) 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)|))) [2020-07-21 10:38:20,667 INFO L264 CegarLoopResult]: At program point L902-1(line 902) 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)|))) [2020-07-21 10:38:20,667 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-21 10:38:20,667 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-07-21 10:38:20,667 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-21 10:38:20,667 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-21 10:38:20,668 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-07-21 10:38:20,669 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-07-21 10:38:20,670 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-21 10:38:20,670 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-07-21 10:38:20,670 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-07-21 10:38:20,671 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-07-21 10:38:20,672 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) 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)|))) [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-07-21 10:38:20,673 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: true [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 10:38:20,674 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 10:38:20,674 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:38:20,675 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-21 10:38:20,675 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-21 10:38:20,675 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-07-21 10:38:20,675 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:20,675 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:20,675 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-07-21 10:38:20,675 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:20,675 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~1)))) [2020-07-21 10:38:20,675 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-21 10:38:20,676 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:38:20,676 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-07-21 10:38:20,676 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-07-21 10:38:20,676 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) 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)|))) [2020-07-21 10:38:20,676 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) 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)|))) [2020-07-21 10:38:20,676 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-07-21 10:38:20,676 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,676 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-21 10:38:20,676 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,677 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-21 10:38:20,677 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,677 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-21 10:38:20,677 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,677 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-21 10:38:20,677 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-07-21 10:38:20,677 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,677 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-07-21 10:38:20,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:38:20,679 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-21 10:38:20,680 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-21 10:38:20,681 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-07-21 10:38:20,682 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-07-21 10:38:20,682 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-07-21 10:38:20,682 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-07-21 10:38:20,682 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-07-21 10:38:20,706 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-07-21 10:38:20,706 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-07-21 10:38:20,706 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-07-21 10:38:20,706 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,706 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)) [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:38:20,707 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-07-21 10:38:20,707 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-07-21 10:38:20,707 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:38:20,708 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1)))) [2020-07-21 10:38:20,709 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-21 10:38:20,709 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7))))) [2020-07-21 10:38:20,709 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-21 10:38:20,709 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-21 10:38:20,709 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-07-21 10:38:20,710 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-07-21 10:38:20,710 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-21 10:38:20,710 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-07-21 10:38:20,710 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-07-21 10:38:20,710 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-21 10:38:20,710 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-07-21 10:38:20,710 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-21 10:38:20,710 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 10:38:20,710 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,711 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)) [2020-07-21 10:38:20,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-07-21 10:38:20,711 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:38:20,711 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-07-21 10:38:20,712 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 10:38:20,712 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-21 10:38:20,712 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-21 10:38:20,712 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:20,712 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-21 10:38:20,712 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-21 10:38:20,712 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:38:20,712 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:38:20,713 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 1) .cse8)) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse2 .cse3 .cse6 .cse7)))) [2020-07-21 10:38:20,713 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-07-21 10:38:20,713 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-21 10:38:20,713 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-07-21 10:38:20,713 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-07-21 10:38:20,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:20 BoogieIcfgContainer [2020-07-21 10:38:20,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:38:20,745 INFO L168 Benchmark]: Toolchain (without parser) took 20221.55 ms. Allocated memory was 146.3 MB in the beginning and 477.1 MB in the end (delta: 330.8 MB). Free memory was 101.7 MB in the beginning and 435.6 MB in the end (delta: -334.0 MB). Peak memory consumption was 312.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:20,746 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:38:20,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.98 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 171.8 MB in the end (delta: -70.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:20,754 INFO L168 Benchmark]: Boogie Preprocessor took 86.65 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:20,755 INFO L168 Benchmark]: RCFGBuilder took 1172.97 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 194.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:20,756 INFO L168 Benchmark]: TraceAbstraction took 18215.64 ms. Allocated memory was 235.9 MB in the beginning and 477.1 MB in the end (delta: 241.2 MB). Free memory was 193.1 MB in the beginning and 435.6 MB in the end (delta: -242.5 MB). Peak memory consumption was 314.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:20,762 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.98 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 171.8 MB in the end (delta: -70.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.65 ms. Allocated memory is still 202.9 MB. Free memory was 171.8 MB in the beginning and 167.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1172.97 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.0 MB in the beginning and 194.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18215.64 ms. Allocated memory was 235.9 MB in the beginning and 477.1 MB in the end (delta: 241.2 MB). Free memory was 193.1 MB in the beginning and 435.6 MB in the end (delta: -242.5 MB). Peak memory consumption was 314.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(\old(waterLevel) <= 1)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2143 SDtfs, 1384 SDslu, 4046 SDs, 0 SdLazy, 3872 SolverSat, 719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1573 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 786 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2385 PreInvPairs, 2477 NumberOfFragments, 1316 HoareAnnotationTreeSize, 2385 FomulaSimplifications, 10557 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8949 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1300 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1616 ConstructedInterpolants, 0 QuantifiedInterpolants, 372300 SizeOfPredicates, 43 NumberOfNonLiveVariables, 9551 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 442/501 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...