java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:37:38,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:37:38,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:37:38,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:37:38,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:37:38,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:37:38,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:37:38,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:37:38,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:37:38,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:37:38,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:37:38,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:37:38,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:37:38,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:37:38,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:37:38,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:37:38,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:37:38,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:37:38,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:37:38,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:37:38,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:37:38,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:37:38,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:37:38,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:37:38,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:37:38,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:37:38,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:37:38,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:37:38,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:37:38,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:37:38,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:37:38,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:37:38,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:37:38,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:37:38,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:37:38,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:37:38,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:37:38,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:37:38,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:37:38,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:37:38,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:37:38,279 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 [2019-10-14 23:37:38,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:37:38,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:37:38,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:37:38,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:37:38,301 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:37:38,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:37:38,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:37:38,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:37:38,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:37:38,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:37:38,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:37:38,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:37:38,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:37:38,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:37:38,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:37:38,305 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:37:38,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:37:38,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:37:38,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:37:38,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:37:38,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:37:38,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:37:38,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:37:38,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:37:38,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:37:38,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:37:38,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:37:38,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:37:38,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:37:38,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:37:38,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:37:38,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:37:38,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:37:38,665 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:37:38,666 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-10-14 23:37:38,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a8dd27/68ba15d9fa7e4897b2fe210e22abd661/FLAGa87aa4e26 [2019-10-14 23:37:39,341 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:37:39,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2019-10-14 23:37:39,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a8dd27/68ba15d9fa7e4897b2fe210e22abd661/FLAGa87aa4e26 [2019-10-14 23:37:39,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e06a8dd27/68ba15d9fa7e4897b2fe210e22abd661 [2019-10-14 23:37:39,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:37:39,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:37:39,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:39,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:37:39,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:37:39,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:39" (1/1) ... [2019-10-14 23:37:39,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d03ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:39, skipping insertion in model container [2019-10-14 23:37:39,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:37:39" (1/1) ... [2019-10-14 23:37:39,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:37:39,661 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:37:40,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:40,121 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:37:40,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:37:40,232 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:37:40,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40 WrapperNode [2019-10-14 23:37:40,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:37:40,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:37:40,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:37:40,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:37:40,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (1/1) ... [2019-10-14 23:37:40,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:37:40,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:37:40,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:37:40,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:37:40,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (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 [2019-10-14 23:37:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:37:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:37:40,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:37:40,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:37:40,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:37:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:37:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:37:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:37:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:37:40,413 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:37:40,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:37:40,415 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:37:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:37:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:37:40,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:37:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:37:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:37:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:37:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:37:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:37:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:37:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:37:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:37:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:37:40,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:37:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:37:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:37:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:37:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:37:40,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:37:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:37:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:37:41,448 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:37:41,449 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:37:41,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:41 BoogieIcfgContainer [2019-10-14 23:37:41,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:37:41,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:37:41,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:37:41,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:37:41,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:37:39" (1/3) ... [2019-10-14 23:37:41,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d77ab13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:41, skipping insertion in model container [2019-10-14 23:37:41,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:37:40" (2/3) ... [2019-10-14 23:37:41,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d77ab13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:37:41, skipping insertion in model container [2019-10-14 23:37:41,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:37:41" (3/3) ... [2019-10-14 23:37:41,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2019-10-14 23:37:41,472 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:37:41,481 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:37:41,493 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:37:41,528 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:37:41,528 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:37:41,529 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:37:41,529 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:37:41,529 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:37:41,529 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:37:41,530 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:37:41,530 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:37:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-10-14 23:37:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:37:41,566 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:41,568 INFO L380 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] [2019-10-14 23:37:41,570 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:41,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:41,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2019-10-14 23:37:41,585 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:41,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561236892] [2019-10-14 23:37:41,586 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:41,586 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:41,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,255 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:42,318 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561236892] [2019-10-14 23:37:42,318 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:42,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:37:42,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850138306] [2019-10-14 23:37:42,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:37:42,324 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:42,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:37:42,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:42,341 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2019-10-14 23:37:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:43,234 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2019-10-14 23:37:43,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:37:43,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:37:43,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:43,250 INFO L225 Difference]: With dead ends: 199 [2019-10-14 23:37:43,251 INFO L226 Difference]: Without dead ends: 109 [2019-10-14 23:37:43,255 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:37:43,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-14 23:37:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2019-10-14 23:37:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-10-14 23:37:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2019-10-14 23:37:43,325 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2019-10-14 23:37:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:43,326 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2019-10-14 23:37:43,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:37:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2019-10-14 23:37:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:37:43,329 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:43,330 INFO L380 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] [2019-10-14 23:37:43,330 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:43,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1674217379, now seen corresponding path program 1 times [2019-10-14 23:37:43,331 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:43,331 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673394773] [2019-10-14 23:37:43,331 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:43,332 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:43,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,746 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:43,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673394773] [2019-10-14 23:37:43,826 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:43,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:37:43,826 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095455270] [2019-10-14 23:37:43,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:37:43,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:43,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:37:43,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:37:43,829 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states. [2019-10-14 23:37:44,326 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:44,787 INFO L93 Difference]: Finished difference Result 132 states and 161 transitions. [2019-10-14 23:37:44,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:37:44,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:37:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:44,791 INFO L225 Difference]: With dead ends: 132 [2019-10-14 23:37:44,792 INFO L226 Difference]: Without dead ends: 93 [2019-10-14 23:37:44,793 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:44,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-14 23:37:44,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2019-10-14 23:37:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-14 23:37:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2019-10-14 23:37:44,833 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2019-10-14 23:37:44,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:44,833 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2019-10-14 23:37:44,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:37:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2019-10-14 23:37:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-14 23:37:44,839 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:44,840 INFO L380 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] [2019-10-14 23:37:44,840 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:44,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1654524971, now seen corresponding path program 1 times [2019-10-14 23:37:44,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:44,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541395431] [2019-10-14 23:37:44,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:44,843 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:44,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,249 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:45,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541395431] [2019-10-14 23:37:45,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:45,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:37:45,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581272558] [2019-10-14 23:37:45,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:37:45,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:45,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:37:45,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:37:45,387 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 8 states. [2019-10-14 23:37:45,842 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:46,208 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:46,517 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:46,797 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:47,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:47,538 INFO L93 Difference]: Finished difference Result 141 states and 175 transitions. [2019-10-14 23:37:47,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:37:47,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-14 23:37:47,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:47,542 INFO L225 Difference]: With dead ends: 141 [2019-10-14 23:37:47,542 INFO L226 Difference]: Without dead ends: 93 [2019-10-14 23:37:47,543 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:37:47,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-10-14 23:37:47,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2019-10-14 23:37:47,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-10-14 23:37:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2019-10-14 23:37:47,573 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2019-10-14 23:37:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:47,574 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2019-10-14 23:37:47,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:37:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2019-10-14 23:37:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-14 23:37:47,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:47,575 INFO L380 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] [2019-10-14 23:37:47,576 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:47,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:47,576 INFO L82 PathProgramCache]: Analyzing trace with hash 905199539, now seen corresponding path program 1 times [2019-10-14 23:37:47,576 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:47,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801970188] [2019-10-14 23:37:47,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:47,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:47,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:47,963 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:48,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801970188] [2019-10-14 23:37:48,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:48,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:37:48,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790597726] [2019-10-14 23:37:48,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:37:48,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:37:48,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:37:48,109 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 11 states. [2019-10-14 23:37:48,648 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:49,019 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:49,307 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:49,603 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:50,193 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:37:50,764 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:51,107 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:51,389 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:51,647 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:37:51,905 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:52,215 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:52,532 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:37:52,816 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:53,303 INFO L93 Difference]: Finished difference Result 217 states and 278 transitions. [2019-10-14 23:37:53,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:37:53,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2019-10-14 23:37:53,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:53,307 INFO L225 Difference]: With dead ends: 217 [2019-10-14 23:37:53,307 INFO L226 Difference]: Without dead ends: 169 [2019-10-14 23:37:53,308 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:37:53,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-14 23:37:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 153. [2019-10-14 23:37:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-14 23:37:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2019-10-14 23:37:53,353 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 54 [2019-10-14 23:37:53,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:53,354 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2019-10-14 23:37:53,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:37:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2019-10-14 23:37:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-14 23:37:53,356 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:53,356 INFO L380 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] [2019-10-14 23:37:53,356 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:53,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:53,357 INFO L82 PathProgramCache]: Analyzing trace with hash 526840461, now seen corresponding path program 1 times [2019-10-14 23:37:53,357 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:53,357 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652535063] [2019-10-14 23:37:53,357 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:53,358 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:53,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,640 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:37:53,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652535063] [2019-10-14 23:37:53,733 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:37:53,733 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 23:37:53,733 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851663510] [2019-10-14 23:37:53,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 23:37:53,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:53,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 23:37:53,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:37:53,736 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2019-10-14 23:37:54,092 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:37:54,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:54,523 INFO L93 Difference]: Finished difference Result 242 states and 296 transitions. [2019-10-14 23:37:54,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 23:37:54,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-14 23:37:54,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:54,526 INFO L225 Difference]: With dead ends: 242 [2019-10-14 23:37:54,526 INFO L226 Difference]: Without dead ends: 148 [2019-10-14 23:37:54,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:37:54,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-14 23:37:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2019-10-14 23:37:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-14 23:37:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 153 transitions. [2019-10-14 23:37:54,560 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 153 transitions. Word has length 58 [2019-10-14 23:37:54,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:54,561 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 153 transitions. [2019-10-14 23:37:54,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 23:37:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 153 transitions. [2019-10-14 23:37:54,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-14 23:37:54,563 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:37:54,563 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:37:54,563 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:37:54,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:37:54,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1103000120, now seen corresponding path program 1 times [2019-10-14 23:37:54,564 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:37:54,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087052653] [2019-10-14 23:37:54,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:54,564 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:37:54,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:37:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,895 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:37:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-14 23:37:54,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087052653] [2019-10-14 23:37:54,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749325288] [2019-10-14 23:37:54,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:37:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:37:55,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:37:55,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:37:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:37:55,377 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:37:55,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2019-10-14 23:37:55,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014930048] [2019-10-14 23:37:55,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:37:55,379 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:37:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:37:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:37:55,379 INFO L87 Difference]: Start difference. First operand 136 states and 153 transitions. Second operand 13 states. [2019-10-14 23:37:55,916 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:56,674 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:37:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:37:57,270 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2019-10-14 23:37:57,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:37:57,271 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2019-10-14 23:37:57,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:37:57,271 INFO L225 Difference]: With dead ends: 183 [2019-10-14 23:37:57,271 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:37:57,273 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:37:57,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:37:57,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:37:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:37:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:37:57,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-14 23:37:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:37:57,274 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:37:57,274 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-14 23:37:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:37:57,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:37:57,480 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:37:57,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:37:58,403 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 23 [2019-10-14 23:37:58,778 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:58,945 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:59,144 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:37:59,344 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2019-10-14 23:37:59,502 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2019-10-14 23:37:59,627 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:38:00,083 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:00,301 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:00,765 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:01,218 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:01,373 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:01,546 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:38:02,003 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-14 23:38:02,152 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:02,301 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 18 [2019-10-14 23:38:02,472 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:03,031 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:03,241 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:03,244 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-14 23:38:03,244 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-14 23:38:03,244 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-14 23:38:03,244 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-14 23:38:03,244 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-14 23:38:03,245 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-14 23:38:03,246 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:03,246 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-14 23:38:03,246 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-14 23:38:03,246 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-14 23:38:03,246 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2019-10-14 23:38:03,246 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2019-10-14 23:38:03,247 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2019-10-14 23:38:03,247 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2019-10-14 23:38:03,247 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2019-10-14 23:38:03,247 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-10-14 23:38:03,247 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-10-14 23:38:03,247 INFO L439 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:03,247 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-14 23:38:03,249 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:03,249 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-14 23:38:03,249 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-14 23:38:03,249 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-10-14 23:38:03,249 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-14 23:38:03,250 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-14 23:38:03,250 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,250 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2019-10-14 23:38:03,250 INFO L439 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,250 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2019-10-14 23:38:03,251 INFO L439 ceAbstractionStarter]: At program point L845-1(line 845) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,251 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 850) no Hoare annotation was computed. [2019-10-14 23:38:03,251 INFO L443 ceAbstractionStarter]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2019-10-14 23:38:03,251 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-14 23:38:03,252 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,252 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,252 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,252 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-14 23:38:03,252 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-14 23:38:03,252 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2019-10-14 23:38:03,252 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-14 23:38:03,253 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-14 23:38:03,253 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-14 23:38:03,254 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2019-10-14 23:38:03,255 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 713) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2019-10-14 23:38:03,256 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L443 ceAbstractionStarter]: For program point L716-1(line 716) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2019-10-14 23:38:03,257 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-14 23:38:03,259 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2019-10-14 23:38:03,260 INFO L443 ceAbstractionStarter]: For program point L671(line 671) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2019-10-14 23:38:03,261 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2019-10-14 23:38:03,262 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-10-14 23:38:03,262 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,262 INFO L439 ceAbstractionStarter]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0))) [2019-10-14 23:38:03,262 INFO L443 ceAbstractionStarter]: For program point L541(lines 540 585) no Hoare annotation was computed. [2019-10-14 23:38:03,262 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 581) no Hoare annotation was computed. [2019-10-14 23:38:03,262 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2019-10-14 23:38:03,263 INFO L439 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0))) [2019-10-14 23:38:03,263 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 566) no Hoare annotation was computed. [2019-10-14 23:38:03,263 INFO L443 ceAbstractionStarter]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2019-10-14 23:38:03,264 INFO L439 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0))) [2019-10-14 23:38:03,264 INFO L439 ceAbstractionStarter]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0))) [2019-10-14 23:38:03,264 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2019-10-14 23:38:03,264 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2019-10-14 23:38:03,264 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-10-14 23:38:03,264 INFO L439 ceAbstractionStarter]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:03,264 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2019-10-14 23:38:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-14 23:38:03,265 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-14 23:38:03,265 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 511) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:03,266 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-14 23:38:03,267 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2019-10-14 23:38:03,268 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,269 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-14 23:38:03,269 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,269 INFO L443 ceAbstractionStarter]: For program point L652(line 652) no Hoare annotation was computed. [2019-10-14 23:38:03,269 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2019-10-14 23:38:03,269 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2019-10-14 23:38:03,269 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 654) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,270 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2019-10-14 23:38:03,271 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2019-10-14 23:38:03,272 INFO L439 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:03,272 INFO L443 ceAbstractionStarter]: For program point L605(lines 604 623) no Hoare annotation was computed. [2019-10-14 23:38:03,272 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:03,272 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2019-10-14 23:38:03,272 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2019-10-14 23:38:03,272 INFO L439 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:03,272 INFO L439 ceAbstractionStarter]: At program point L612(lines 612 618) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:03,273 INFO L446 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: true [2019-10-14 23:38:03,273 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2019-10-14 23:38:03,273 INFO L443 ceAbstractionStarter]: For program point L768-1(line 768) no Hoare annotation was computed. [2019-10-14 23:38:03,273 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2019-10-14 23:38:03,273 INFO L446 ceAbstractionStarter]: At program point L787(lines 762 791) the Hoare annotation is: true [2019-10-14 23:38:03,273 INFO L443 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2019-10-14 23:38:03,274 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 780) no Hoare annotation was computed. [2019-10-14 23:38:03,274 INFO L446 ceAbstractionStarter]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2019-10-14 23:38:03,274 INFO L443 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2019-10-14 23:38:03,274 INFO L446 ceAbstractionStarter]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2019-10-14 23:38:03,274 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2019-10-14 23:38:03,275 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,275 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:03,275 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:03,275 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2019-10-14 23:38:03,276 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2019-10-14 23:38:03,276 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-14 23:38:03,276 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2019-10-14 23:38:03,276 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-10-14 23:38:03,276 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-10-14 23:38:03,276 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-10-14 23:38:03,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:03 BoogieIcfgContainer [2019-10-14 23:38:03,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:03,301 INFO L168 Benchmark]: Toolchain (without parser) took 23713.58 ms. Allocated memory was 135.3 MB in the beginning and 583.0 MB in the end (delta: 447.7 MB). Free memory was 97.7 MB in the beginning and 411.0 MB in the end (delta: -313.3 MB). Peak memory consumption was 474.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,302 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 135.3 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.99 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 97.5 MB in the beginning and 167.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,306 INFO L168 Benchmark]: Boogie Preprocessor took 120.62 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 162.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,313 INFO L168 Benchmark]: RCFGBuilder took 1098.82 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 162.7 MB in the beginning and 198.4 MB in the end (delta: -35.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,317 INFO L168 Benchmark]: TraceAbstraction took 21842.89 ms. Allocated memory was 226.5 MB in the beginning and 583.0 MB in the end (delta: 356.5 MB). Free memory was 198.4 MB in the beginning and 411.0 MB in the end (delta: -212.6 MB). Peak memory consumption was 484.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:03,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 135.3 MB. Free memory was 117.2 MB in the beginning and 117.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.99 ms. Allocated memory was 135.3 MB in the beginning and 199.2 MB in the end (delta: 64.0 MB). Free memory was 97.5 MB in the beginning and 167.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.62 ms. Allocated memory is still 199.2 MB. Free memory was 167.2 MB in the beginning and 162.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.82 ms. Allocated memory was 199.2 MB in the beginning and 226.5 MB in the end (delta: 27.3 MB). Free memory was 162.7 MB in the beginning and 198.4 MB in the end (delta: -35.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21842.89 ms. Allocated memory was 226.5 MB in the beginning and 583.0 MB in the end (delta: 356.5 MB). Free memory was 198.4 MB in the beginning and 411.0 MB in the end (delta: -212.6 MB). Peak memory consumption was 484.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (0 == splverifierCounter && 1 <= waterLevel) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Result: SAFE, OverallTime: 21.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, HoareTripleCheckerStatistics: 411 SDtfs, 718 SDslu, 383 SDs, 0 SdLazy, 1745 SolverSat, 431 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 716 HoareAnnotationTreeSize, 188 FomulaSimplifications, 27998 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6242 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 119772 SizeOfPredicates, 3 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 49/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...