/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:02,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:02,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:02,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:02,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:02,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:02,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:02,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:02,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:02,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:02,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:02,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:02,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:02,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:02,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:02,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:02,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:02,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:02,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:02,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:02,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:02,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:02,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:02,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:02,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:02,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:02,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:02,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:02,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:02,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:02,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:02,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:02,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:02,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:02,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:02,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:02,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:02,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:02,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:02,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:02,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:02,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:40:02,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:02,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:02,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:02,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:02,254 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:02,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:02,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:02,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:02,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:02,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:02,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:02,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:02,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:02,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:02,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:02,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:02,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:02,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:02,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:02,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:02,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:02,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:02,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:02,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:02,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:02,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:02,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:02,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:02,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:02,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:40:02,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:02,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:02,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:02,626 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:02,628 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:02,630 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-07-21 15:40:02,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf46d8621/1260652a4f3e4e4ebda63707e7e26791/FLAGfda1b9cd6 [2020-07-21 15:40:03,263 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:03,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-07-21 15:40:03,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf46d8621/1260652a4f3e4e4ebda63707e7e26791/FLAGfda1b9cd6 [2020-07-21 15:40:03,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf46d8621/1260652a4f3e4e4ebda63707e7e26791 [2020-07-21 15:40:03,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:03,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:03,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:03,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:03,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:03,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:03" (1/1) ... [2020-07-21 15:40:03,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a311834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:03, skipping insertion in model container [2020-07-21 15:40:03,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:03" (1/1) ... [2020-07-21 15:40:03,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:03,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:03,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:03,906 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:04,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:04,155 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:04,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04 WrapperNode [2020-07-21 15:40:04,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:04,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:04,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:04,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:04,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... [2020-07-21 15:40:04,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:04,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:04,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:04,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:04,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:40:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:40:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:05,433 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:05,433 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:05,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:05 BoogieIcfgContainer [2020-07-21 15:40:05,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:05,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:05,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:05,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:05,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:03" (1/3) ... [2020-07-21 15:40:05,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf58d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:05, skipping insertion in model container [2020-07-21 15:40:05,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04" (2/3) ... [2020-07-21 15:40:05,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf58d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:40:05, skipping insertion in model container [2020-07-21 15:40:05,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:05" (3/3) ... [2020-07-21 15:40:05,447 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-07-21 15:40:05,457 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:05,465 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:05,480 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:05,504 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:05,505 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:05,505 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:05,505 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:05,505 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:05,505 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:05,506 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:05,506 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:05,528 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-07-21 15:40:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:05,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:05,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:05,544 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:05,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:05,552 INFO L82 PathProgramCache]: Analyzing trace with hash 972892505, now seen corresponding path program 1 times [2020-07-21 15:40:05,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:05,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394977877] [2020-07-21 15:40:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:05,925 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:05,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:05,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:05,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:05,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:05,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394977877] [2020-07-21 15:40:05,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:05,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:05,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104553388] [2020-07-21 15:40:05,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:05,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:05,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:05,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:05,999 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2020-07-21 15:40:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:06,039 INFO L93 Difference]: Finished difference Result 194 states and 241 transitions. [2020-07-21 15:40:06,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:06,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:06,058 INFO L225 Difference]: With dead ends: 194 [2020-07-21 15:40:06,066 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 15:40:06,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 15:40:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-21 15:40:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 15:40:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-07-21 15:40:06,120 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2020-07-21 15:40:06,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:06,120 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-07-21 15:40:06,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-07-21 15:40:06,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:06,124 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:06,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:06,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:06,342 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:06,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1607408945, now seen corresponding path program 1 times [2020-07-21 15:40:06,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:06,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494489843] [2020-07-21 15:40:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:06,647 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:06,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:06,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:06,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:06,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494489843] [2020-07-21 15:40:06,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:06,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:06,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020281358] [2020-07-21 15:40:06,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:06,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:06,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:06,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:06,690 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2020-07-21 15:40:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:06,709 INFO L93 Difference]: Finished difference Result 130 states and 149 transitions. [2020-07-21 15:40:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:06,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:06,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:06,712 INFO L225 Difference]: With dead ends: 130 [2020-07-21 15:40:06,713 INFO L226 Difference]: Without dead ends: 90 [2020-07-21 15:40:06,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-21 15:40:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-21 15:40:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-21 15:40:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2020-07-21 15:40:06,727 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2020-07-21 15:40:06,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:06,727 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2020-07-21 15:40:06,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2020-07-21 15:40:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:40:06,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:06,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:06,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:06,943 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:06,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:06,944 INFO L82 PathProgramCache]: Analyzing trace with hash -712810545, now seen corresponding path program 1 times [2020-07-21 15:40:06,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:06,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223005696] [2020-07-21 15:40:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:07,193 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:07,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:40:07,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:07,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:07,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223005696] [2020-07-21 15:40:07,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:07,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:07,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092104191] [2020-07-21 15:40:07,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:07,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:07,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:07,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:07,226 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 3 states. [2020-07-21 15:40:07,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:07,255 INFO L93 Difference]: Finished difference Result 210 states and 249 transitions. [2020-07-21 15:40:07,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:07,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 15:40:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:07,259 INFO L225 Difference]: With dead ends: 210 [2020-07-21 15:40:07,259 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 15:40:07,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 15:40:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2020-07-21 15:40:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-21 15:40:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2020-07-21 15:40:07,280 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 57 [2020-07-21 15:40:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:07,280 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2020-07-21 15:40:07,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-21 15:40:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:40:07,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:07,283 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:07,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:07,499 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:07,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1899205419, now seen corresponding path program 1 times [2020-07-21 15:40:07,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:07,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532500688] [2020-07-21 15:40:07,501 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:07,775 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:07,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:07,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 15:40:07,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:07,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:07,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532500688] [2020-07-21 15:40:07,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:07,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:07,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636199551] [2020-07-21 15:40:07,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:07,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:07,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:07,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:07,842 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 6 states. [2020-07-21 15:40:08,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:08,031 INFO L93 Difference]: Finished difference Result 339 states and 413 transitions. [2020-07-21 15:40:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:40:08,032 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 15:40:08,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:08,035 INFO L225 Difference]: With dead ends: 339 [2020-07-21 15:40:08,035 INFO L226 Difference]: Without dead ends: 231 [2020-07-21 15:40:08,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:08,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-07-21 15:40:08,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 227. [2020-07-21 15:40:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-07-21 15:40:08,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 268 transitions. [2020-07-21 15:40:08,059 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 268 transitions. Word has length 60 [2020-07-21 15:40:08,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:08,060 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 268 transitions. [2020-07-21 15:40:08,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:08,060 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 268 transitions. [2020-07-21 15:40:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:40:08,065 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:08,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:40:08,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:08,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:08,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:08,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1357836985, now seen corresponding path program 1 times [2020-07-21 15:40:08,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:08,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258721271] [2020-07-21 15:40:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:08,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:08,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:08,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:08,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:40:08,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:08,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258721271] [2020-07-21 15:40:08,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:08,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:08,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015195116] [2020-07-21 15:40:08,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:08,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:08,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:08,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:08,688 INFO L87 Difference]: Start difference. First operand 227 states and 268 transitions. Second operand 6 states. [2020-07-21 15:40:08,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:08,861 INFO L93 Difference]: Finished difference Result 401 states and 486 transitions. [2020-07-21 15:40:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:08,866 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 15:40:08,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:08,866 INFO L225 Difference]: With dead ends: 401 [2020-07-21 15:40:08,866 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:40:08,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:40:08,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:40:08,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:40:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:40:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:40:08,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-21 15:40:08,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:08,874 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:40:08,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:40:08,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:40:09,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:09,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:40:09,710 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 15:40:09,710 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 15:40:09,711 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 15:40:09,711 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 15:40:09,711 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:40:09,711 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 15:40:09,711 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 15:40:09,712 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 15:40:09,713 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-07-21 15:40:09,713 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-07-21 15:40:09,714 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-21 15:40:09,714 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-07-21 15:40:09,714 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-21 15:40:09,714 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,714 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-07-21 15:40:09,714 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,714 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-07-21 15:40:09,715 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,715 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,715 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-07-21 15:40:09,715 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 15:40:09,716 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 15:40:09,717 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 15:40:09,718 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 15:40:09,718 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2020-07-21 15:40:09,718 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-21 15:40:09,718 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:09,718 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 731 745) no Hoare annotation was computed. [2020-07-21 15:40:09,718 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2020-07-21 15:40:09,718 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 686 694) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L702(lines 702 710) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 710) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 695 730) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L714(lines 714 722) no Hoare annotation was computed. [2020-07-21 15:40:09,719 INFO L268 CegarLoopResult]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 695 730) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 695 730) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 15:40:09,720 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 675 685) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-21 15:40:09,721 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 675 685) no Hoare annotation was computed. [2020-07-21 15:40:09,722 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2020-07-21 15:40:09,722 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2020-07-21 15:40:09,722 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 667 674) no Hoare annotation was computed. [2020-07-21 15:40:09,722 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2020-07-21 15:40:09,722 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2020-07-21 15:40:09,722 INFO L264 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,722 INFO L264 CegarLoopResult]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,722 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-07-21 15:40:09,723 INFO L264 CegarLoopResult]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2020-07-21 15:40:09,723 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2020-07-21 15:40:09,723 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-07-21 15:40:09,723 INFO L268 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L264 CegarLoopResult]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,724 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 15:40:09,724 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L271 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: true [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: true [2020-07-21 15:40:09,725 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-07-21 15:40:09,725 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) the Hoare annotation is: true [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 846 853) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 812 834) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 812 834) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 812 834) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 15:40:09,726 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-07-21 15:40:09,727 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 659 666) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 659 666) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 835 843) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 835 843) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 835 843) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,728 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:40:09,729 INFO L268 CegarLoopResult]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2020-07-21 15:40:09,729 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2020-07-21 15:40:09,729 INFO L271 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: true [2020-07-21 15:40:09,729 INFO L271 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: true [2020-07-21 15:40:09,729 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 15:40:09,729 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-07-21 15:40:09,729 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: true [2020-07-21 15:40:09,729 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-07-21 15:40:09,730 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-07-21 15:40:09,730 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-07-21 15:40:09,730 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-07-21 15:40:09,730 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-07-21 15:40:09,730 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 15:40:09,730 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-07-21 15:40:09,730 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-07-21 15:40:09,730 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 15:40:09,731 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-07-21 15:40:09,731 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-07-21 15:40:09,731 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-21 15:40:09,731 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2020-07-21 15:40:09,731 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 803 811) no Hoare annotation was computed. [2020-07-21 15:40:09,731 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2020-07-21 15:40:09,731 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2020-07-21 15:40:09,731 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2020-07-21 15:40:09,732 INFO L268 CegarLoopResult]: For program point L771-1(lines 767 778) no Hoare annotation was computed. [2020-07-21 15:40:09,732 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-07-21 15:40:09,732 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-07-21 15:40:09,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,732 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:40:09,732 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:09,732 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:09,733 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2020-07-21 15:40:09,733 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: true [2020-07-21 15:40:09,733 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 746 753) no Hoare annotation was computed. [2020-07-21 15:40:09,733 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2020-07-21 15:40:09,733 INFO L268 CegarLoopResult]: For program point L783-1(lines 779 790) no Hoare annotation was computed. [2020-07-21 15:40:09,733 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: true [2020-07-21 15:40:09,733 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 755 762) no Hoare annotation was computed. [2020-07-21 15:40:09,734 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-07-21 15:40:09,734 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2020-07-21 15:40:09,734 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2020-07-21 15:40:09,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:40:09 BoogieIcfgContainer [2020-07-21 15:40:09,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:40:09,752 INFO L168 Benchmark]: Toolchain (without parser) took 6228.45 ms. Allocated memory was 146.8 MB in the beginning and 281.5 MB in the end (delta: 134.7 MB). Free memory was 102.5 MB in the beginning and 138.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,753 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.20 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.1 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,755 INFO L168 Benchmark]: Boogie Preprocessor took 93.82 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,756 INFO L168 Benchmark]: RCFGBuilder took 1188.22 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 169.4 MB in the beginning and 200.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,757 INFO L168 Benchmark]: TraceAbstraction took 4309.88 ms. Allocated memory was 236.5 MB in the beginning and 281.5 MB in the end (delta: 45.1 MB). Free memory was 200.4 MB in the beginning and 138.2 MB in the end (delta: 62.2 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:09,761 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.20 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.1 MB in the beginning and 173.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.82 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.22 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 169.4 MB in the beginning and 200.4 MB in the end (delta: -31.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4309.88 ms. Allocated memory was 236.5 MB in the beginning and 281.5 MB in the end (delta: 45.1 MB). Free memory was 200.4 MB in the beginning and 138.2 MB in the end (delta: 62.2 MB). Peak memory consumption was 107.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 183 SDslu, 701 SDs, 0 SdLazy, 110 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 283 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 249 PreInvPairs, 278 NumberOfFragments, 416 HoareAnnotationTreeSize, 249 FomulaSimplifications, 190 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 843 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 29173 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3454 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...