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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:19:12,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:19:12,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:19:12,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:19:12,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:19:12,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:19:12,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:19:12,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:19:12,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:19:12,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:19:12,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:19:12,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:19:12,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:19:12,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:19:12,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:19:12,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:19:12,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:19:12,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:19:12,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:19:12,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:19:12,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:19:12,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:19:12,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:19:12,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:19:12,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:19:12,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:19:12,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:19:12,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:19:12,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:19:12,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:19:12,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:19:12,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:19:12,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:19:12,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:19:12,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:19:12,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:19:12,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:19:12,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:19:12,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:19:12,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:19:12,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:19:12,164 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 [2019-10-15 03:19:12,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:19:12,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:19:12,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:19:12,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:19:12,188 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:19:12,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:19:12,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:19:12,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:19:12,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:19:12,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:19:12,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:19:12,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:19:12,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:19:12,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:19:12,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:19:12,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:19:12,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:19:12,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:19:12,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:19:12,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:19:12,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:19:12,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:12,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:19:12,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:19:12,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:19:12,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:19:12,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:19:12,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:19:12,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:19:12,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:19:12,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:19:12,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:19:12,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:19:12,549 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:19:12,550 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-15 03:19:12,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42fe9ae49/b35eea37bb494cccb719fbd4a5a45909/FLAG4f876d8f6 [2019-10-15 03:19:13,202 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:19:13,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-15 03:19:13,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42fe9ae49/b35eea37bb494cccb719fbd4a5a45909/FLAG4f876d8f6 [2019-10-15 03:19:13,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42fe9ae49/b35eea37bb494cccb719fbd4a5a45909 [2019-10-15 03:19:13,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:19:13,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:19:13,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:13,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:19:13,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:19:13,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13, skipping insertion in model container [2019-10-15 03:19:13,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:19:13,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:19:14,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:14,041 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:19:14,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:14,177 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:19:14,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14 WrapperNode [2019-10-15 03:19:14,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:14,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:19:14,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:19:14,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:19:14,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (1/1) ... [2019-10-15 03:19:14,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:19:14,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:19:14,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:19:14,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:19:14,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (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 [2019-10-15 03:19:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:19:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:19:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:14,385 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:19:14,386 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:19:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:19:14,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:19:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 03:19:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:19:14,388 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:19:14,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:19:14,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:19:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:19:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:19:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:19:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:19:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:19:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:19:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:19:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:19:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:14,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:19:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:19:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:19:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:19:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:19:14,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:19:14,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:19:14,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:19:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:19:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:19:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:19:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:19:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:19:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:19:14,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:19:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:19:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:19:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:19:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:19:14,403 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:19:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:19:14,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:19:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:19:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:19:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:19:14,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:19:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:19:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:14,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:19:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:19:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:19:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:19:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:19:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:19:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:19:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:19:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:19:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:19:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:19:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:19:16,120 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:19:16,120 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:19:16,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:16 BoogieIcfgContainer [2019-10-15 03:19:16,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:19:16,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:19:16,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:19:16,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:19:16,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:19:13" (1/3) ... [2019-10-15 03:19:16,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6430bb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:16, skipping insertion in model container [2019-10-15 03:19:16,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:14" (2/3) ... [2019-10-15 03:19:16,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6430bb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:16, skipping insertion in model container [2019-10-15 03:19:16,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:16" (3/3) ... [2019-10-15 03:19:16,131 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-10-15 03:19:16,141 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:19:16,150 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:19:16,164 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:19:16,193 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:19:16,194 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:19:16,194 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:19:16,194 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:19:16,194 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:19:16,194 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:19:16,194 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:19:16,195 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:19:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-10-15 03:19:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:19:16,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:16,232 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] [2019-10-15 03:19:16,234 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:16,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1510063753, now seen corresponding path program 1 times [2019-10-15 03:19:16,252 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:16,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689275942] [2019-10-15 03:19:16,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:16,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:16,568 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689275942] [2019-10-15 03:19:16,568 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:16,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:19:16,569 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174896111] [2019-10-15 03:19:16,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:19:16,574 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:16,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:19:16,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:16,590 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-10-15 03:19:16,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:16,634 INFO L93 Difference]: Finished difference Result 229 states and 278 transitions. [2019-10-15 03:19:16,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:19:16,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-15 03:19:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:16,649 INFO L225 Difference]: With dead ends: 229 [2019-10-15 03:19:16,649 INFO L226 Difference]: Without dead ends: 115 [2019-10-15 03:19:16,658 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-15 03:19:16,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-15 03:19:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-15 03:19:16,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2019-10-15 03:19:16,715 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 42 [2019-10-15 03:19:16,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:16,716 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2019-10-15 03:19:16,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:19:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2019-10-15 03:19:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:19:16,720 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:16,720 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] [2019-10-15 03:19:16,720 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:16,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:16,721 INFO L82 PathProgramCache]: Analyzing trace with hash 952114486, now seen corresponding path program 1 times [2019-10-15 03:19:16,721 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:16,722 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732217639] [2019-10-15 03:19:16,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,722 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:16,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732217639] [2019-10-15 03:19:16,896 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:16,896 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:16,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793387845] [2019-10-15 03:19:16,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:16,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:16,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:16,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:16,899 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 3 states. [2019-10-15 03:19:16,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:16,946 INFO L93 Difference]: Finished difference Result 183 states and 212 transitions. [2019-10-15 03:19:16,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:16,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:19:16,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:16,954 INFO L225 Difference]: With dead ends: 183 [2019-10-15 03:19:16,954 INFO L226 Difference]: Without dead ends: 107 [2019-10-15 03:19:16,958 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:16,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-15 03:19:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-15 03:19:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-15 03:19:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2019-10-15 03:19:16,983 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 43 [2019-10-15 03:19:16,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:16,984 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2019-10-15 03:19:16,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2019-10-15 03:19:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 03:19:16,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:16,990 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] [2019-10-15 03:19:16,991 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:16,991 INFO L82 PathProgramCache]: Analyzing trace with hash -793116210, now seen corresponding path program 1 times [2019-10-15 03:19:16,992 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:16,992 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180005611] [2019-10-15 03:19:16,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:17,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180005611] [2019-10-15 03:19:17,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:17,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:17,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567593730] [2019-10-15 03:19:17,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:17,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:17,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:17,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:17,225 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 7 states. [2019-10-15 03:19:17,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:17,566 INFO L93 Difference]: Finished difference Result 192 states and 223 transitions. [2019-10-15 03:19:17,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:19:17,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-15 03:19:17,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:17,570 INFO L225 Difference]: With dead ends: 192 [2019-10-15 03:19:17,570 INFO L226 Difference]: Without dead ends: 107 [2019-10-15 03:19:17,573 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:19:17,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-15 03:19:17,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-15 03:19:17,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-15 03:19:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2019-10-15 03:19:17,596 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 46 [2019-10-15 03:19:17,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:17,596 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2019-10-15 03:19:17,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2019-10-15 03:19:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 03:19:17,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:17,607 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, 1] [2019-10-15 03:19:17,607 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:17,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:17,608 INFO L82 PathProgramCache]: Analyzing trace with hash 207487989, now seen corresponding path program 1 times [2019-10-15 03:19:17,608 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:17,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51593037] [2019-10-15 03:19:17,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:17,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51593037] [2019-10-15 03:19:17,706 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:17,707 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:19:17,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374019415] [2019-10-15 03:19:17,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:19:17,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:17,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:19:17,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:19:17,708 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 5 states. [2019-10-15 03:19:18,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:18,266 INFO L93 Difference]: Finished difference Result 286 states and 338 transitions. [2019-10-15 03:19:18,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:19:18,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-15 03:19:18,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:18,272 INFO L225 Difference]: With dead ends: 286 [2019-10-15 03:19:18,272 INFO L226 Difference]: Without dead ends: 201 [2019-10-15 03:19:18,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:19:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2019-10-15 03:19:18,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2019-10-15 03:19:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-15 03:19:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 204 transitions. [2019-10-15 03:19:18,314 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 204 transitions. Word has length 59 [2019-10-15 03:19:18,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:18,315 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 204 transitions. [2019-10-15 03:19:18,315 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:19:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 204 transitions. [2019-10-15 03:19:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 03:19:18,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:18,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:18,317 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:18,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1105931781, now seen corresponding path program 1 times [2019-10-15 03:19:18,318 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:18,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108878452] [2019-10-15 03:19:18,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:18,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108878452] [2019-10-15 03:19:18,471 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:18,471 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:19:18,471 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702427269] [2019-10-15 03:19:18,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:19:18,474 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:18,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:19:18,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:19:18,475 INFO L87 Difference]: Start difference. First operand 184 states and 204 transitions. Second operand 6 states. [2019-10-15 03:19:18,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:18,718 INFO L93 Difference]: Finished difference Result 494 states and 565 transitions. [2019-10-15 03:19:18,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:19:18,720 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-15 03:19:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:18,725 INFO L225 Difference]: With dead ends: 494 [2019-10-15 03:19:18,725 INFO L226 Difference]: Without dead ends: 332 [2019-10-15 03:19:18,726 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:19:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-10-15 03:19:18,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2019-10-15 03:19:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-15 03:19:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 357 transitions. [2019-10-15 03:19:18,787 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 357 transitions. Word has length 68 [2019-10-15 03:19:18,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:18,788 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 357 transitions. [2019-10-15 03:19:18,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:19:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 357 transitions. [2019-10-15 03:19:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-15 03:19:18,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:18,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:18,790 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:18,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:18,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1859488890, now seen corresponding path program 1 times [2019-10-15 03:19:18,791 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:18,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430955055] [2019-10-15 03:19:18,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:18,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430955055] [2019-10-15 03:19:18,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:18,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:18,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506331667] [2019-10-15 03:19:18,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:18,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:18,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:18,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:18,898 INFO L87 Difference]: Start difference. First operand 322 states and 357 transitions. Second operand 7 states. [2019-10-15 03:19:19,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:19,567 INFO L93 Difference]: Finished difference Result 352 states and 402 transitions. [2019-10-15 03:19:19,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:19:19,568 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-10-15 03:19:19,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:19,572 INFO L225 Difference]: With dead ends: 352 [2019-10-15 03:19:19,573 INFO L226 Difference]: Without dead ends: 349 [2019-10-15 03:19:19,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:19:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-15 03:19:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 322. [2019-10-15 03:19:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-15 03:19:19,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 356 transitions. [2019-10-15 03:19:19,603 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 356 transitions. Word has length 71 [2019-10-15 03:19:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:19,603 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 356 transitions. [2019-10-15 03:19:19,603 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 356 transitions. [2019-10-15 03:19:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 03:19:19,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:19,605 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:19,606 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1450107065, now seen corresponding path program 1 times [2019-10-15 03:19:19,606 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:19,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822946927] [2019-10-15 03:19:19,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:19,607 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:19,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:19,862 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822946927] [2019-10-15 03:19:19,862 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725275438] [2019-10-15 03:19:19,862 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 [2019-10-15 03:19:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:20,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:20,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:20,237 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:20,801 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:20,801 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-15 03:19:20,802 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971882990] [2019-10-15 03:19:20,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:20,803 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:20,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:20,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:19:20,804 INFO L87 Difference]: Start difference. First operand 322 states and 356 transitions. Second operand 11 states. [2019-10-15 03:19:21,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:21,522 INFO L93 Difference]: Finished difference Result 739 states and 850 transitions. [2019-10-15 03:19:21,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:21,522 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2019-10-15 03:19:21,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:21,526 INFO L225 Difference]: With dead ends: 739 [2019-10-15 03:19:21,526 INFO L226 Difference]: Without dead ends: 439 [2019-10-15 03:19:21,528 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:21,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-15 03:19:21,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 431. [2019-10-15 03:19:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-15 03:19:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 480 transitions. [2019-10-15 03:19:21,575 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 480 transitions. Word has length 84 [2019-10-15 03:19:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:21,576 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 480 transitions. [2019-10-15 03:19:21,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 480 transitions. [2019-10-15 03:19:21,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-15 03:19:21,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:21,586 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:21,791 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:21,795 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:21,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:21,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1145273402, now seen corresponding path program 1 times [2019-10-15 03:19:21,795 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:21,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034391876] [2019-10-15 03:19:21,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:21,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:21,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:22,064 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:19:22,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034391876] [2019-10-15 03:19:22,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239532583] [2019-10-15 03:19:22,066 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:22,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:22,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:19:22,509 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:19:22,977 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:22,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-15 03:19:22,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798576724] [2019-10-15 03:19:22,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:22,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:22,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:22,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:22,980 INFO L87 Difference]: Start difference. First operand 431 states and 480 transitions. Second operand 11 states. [2019-10-15 03:19:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:23,625 INFO L93 Difference]: Finished difference Result 1022 states and 1166 transitions. [2019-10-15 03:19:23,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:23,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2019-10-15 03:19:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:23,627 INFO L225 Difference]: With dead ends: 1022 [2019-10-15 03:19:23,627 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:19:23,631 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-15 03:19:23,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:19:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:19:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:19:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:19:23,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 130 [2019-10-15 03:19:23,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:23,632 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:19:23,632 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:19:23,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:19:23,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:23,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:19:24,694 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2019-10-15 03:19:25,636 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point L687(lines 664 688) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2019-10-15 03:19:25,637 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point L748(lines 721 749) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2019-10-15 03:19:25,638 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2019-10-15 03:19:25,639 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,639 INFO L439 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-15 03:19:25,639 INFO L439 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-15 03:19:25,639 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-10-15 03:19:25,639 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2019-10-15 03:19:25,639 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2019-10-15 03:19:25,640 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-15 03:19:25,640 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,640 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,640 INFO L439 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,640 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2019-10-15 03:19:25,640 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2019-10-15 03:19:25,640 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2019-10-15 03:19:25,640 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2019-10-15 03:19:25,641 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:25,642 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2019-10-15 03:19:25,642 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:25,642 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-10-15 03:19:25,643 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2019-10-15 03:19:25,643 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2019-10-15 03:19:25,643 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2019-10-15 03:19:25,644 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,644 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2019-10-15 03:19:25,645 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-15 03:19:25,645 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:25,645 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2019-10-15 03:19:25,645 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2019-10-15 03:19:25,645 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:25,646 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-10-15 03:19:25,646 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:25,646 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-10-15 03:19:25,646 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-10-15 03:19:25,646 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2019-10-15 03:19:25,646 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,646 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:25,646 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2019-10-15 03:19:25,646 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-10-15 03:19:25,647 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-10-15 03:19:25,647 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,647 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-15 03:19:25,647 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-15 03:19:25,647 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-15 03:19:25,647 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:25,648 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2019-10-15 03:19:25,648 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:25,648 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L828(lines 806 829) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 803) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L808(lines 807 827) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2019-10-15 03:19:25,649 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 845) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 786) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-10-15 03:19:25,650 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,651 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:25,651 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,652 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L446 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2019-10-15 03:19:25,652 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-15 03:19:25,652 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-15 03:19:25,653 INFO L446 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2019-10-15 03:19:25,653 INFO L446 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2019-10-15 03:19:25,653 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-15 03:19:25,653 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-15 03:19:25,653 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2019-10-15 03:19:25,653 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2019-10-15 03:19:25,653 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: true [2019-10-15 03:19:25,653 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2019-10-15 03:19:25,653 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2019-10-15 03:19:25,654 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2019-10-15 03:19:25,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:25,654 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-15 03:19:25,654 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:19:25,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:19:25,654 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2019-10-15 03:19:25,654 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:19:25,654 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2019-10-15 03:19:25,654 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: true [2019-10-15 03:19:25,654 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:25,655 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L446 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-10-15 03:19:25,655 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2019-10-15 03:19:25,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:19:25 BoogieIcfgContainer [2019-10-15 03:19:25,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:19:25,673 INFO L168 Benchmark]: Toolchain (without parser) took 12183.54 ms. Allocated memory was 141.0 MB in the beginning and 353.9 MB in the end (delta: 212.9 MB). Free memory was 105.0 MB in the beginning and 254.5 MB in the end (delta: -149.5 MB). Peak memory consumption was 224.3 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,674 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.85 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 104.7 MB in the beginning and 172.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,676 INFO L168 Benchmark]: Boogie Preprocessor took 130.11 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 167.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,677 INFO L168 Benchmark]: RCFGBuilder took 1813.27 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 144.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,678 INFO L168 Benchmark]: TraceAbstraction took 9547.55 ms. Allocated memory was 233.3 MB in the beginning and 353.9 MB in the end (delta: 120.6 MB). Free memory was 142.9 MB in the beginning and 254.5 MB in the end (delta: -111.6 MB). Peak memory consumption was 169.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:25,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 141.0 MB. Free memory was 124.3 MB in the beginning and 124.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.85 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 104.7 MB in the beginning and 172.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.11 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 167.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1813.27 ms. Allocated memory was 203.4 MB in the beginning and 233.3 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 144.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 78.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9547.55 ms. Allocated memory was 233.3 MB in the beginning and 353.9 MB in the end (delta: 120.6 MB). Free memory was 142.9 MB in the beginning and 254.5 MB in the end (delta: -111.6 MB). Peak memory consumption was 169.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 187 locations, 1 error locations. Result: SAFE, OverallTime: 9.4s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, HoareTripleCheckerStatistics: 1034 SDtfs, 646 SDslu, 2668 SDs, 0 SdLazy, 1623 SolverSat, 251 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 543 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=431occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 62 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 935 PreInvPairs, 995 NumberOfFragments, 744 HoareAnnotationTreeSize, 935 FomulaSimplifications, 1398 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 2453 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 959 ConstructedInterpolants, 0 QuantifiedInterpolants, 153529 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1615 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 119/126 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...