/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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:40:02,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:40:02,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:40:02,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:40:02,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:40:02,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:40:02,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:40:02,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:40:02,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:40:02,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:40:02,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:40:02,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:40:02,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:40:02,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:40:02,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:40:02,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:40:02,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:40:02,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:40:02,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:40:02,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:40:02,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:40:02,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:40:02,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:40:02,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:40:02,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:40:02,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:40:02,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:40:02,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:40:02,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:40:02,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:40:02,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:40:02,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:40:02,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:40:02,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:40:02,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:40:02,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:40:02,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:40:02,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:40:02,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:40:02,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:40:02,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:40:02,365 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 15:40:02,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:40:02,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:40:02,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:40:02,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:40:02,399 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:40:02,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:40:02,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:40:02,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:40:02,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:40:02,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:40:02,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:40:02,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:40:02,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:40:02,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:40:02,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:40:02,402 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:40:02,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:40:02,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:40:02,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:40:02,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:40:02,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:40:02,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:40:02,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:40:02,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:40:02,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:40:02,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:40:02,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:02,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:40:02,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:40:02,406 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 15:40:02,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:40:02,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:40:02,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:40:02,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:40:02,708 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:40:02,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-07-21 15:40:02,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11482b80/df792e25ca894b34a38345077482c376/FLAGe0ea3ea83 [2020-07-21 15:40:03,333 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:40:03,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-07-21 15:40:03,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11482b80/df792e25ca894b34a38345077482c376/FLAGe0ea3ea83 [2020-07-21 15:40:03,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11482b80/df792e25ca894b34a38345077482c376 [2020-07-21 15:40:03,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:40:03,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:40:03,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:03,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:40:03,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:40:03,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:03" (1/1) ... [2020-07-21 15:40:03,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571e09da 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 15:40:03,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:40:03" (1/1) ... [2020-07-21 15:40:03,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:40:03,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:40:04,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:04,094 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:40:04,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:40:04,354 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:40:04,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:40:04 WrapperNode [2020-07-21 15:40:04,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:40:04,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:40:04,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:40:04,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:40:04,369 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 15:40:04,369 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 15:40:04,388 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 15:40:04,389 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 15:40:04,421 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 15:40:04,441 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 15:40:04,450 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 15:40:04,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:40:04,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:40:04,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:40:04,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:40:04,460 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 15:40:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:40:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:40:04,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:40:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:40:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:40:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:40:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:40:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:40:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:40:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:40:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:40:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 15:40:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:40:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:40:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:40:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:40:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:40:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:40:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:40:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:40:05,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:40:05,655 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:40:05,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:40:05 BoogieIcfgContainer [2020-07-21 15:40:05,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:40:05,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:40:05,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:40:05,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:40:05,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:40:03" (1/3) ... [2020-07-21 15:40:05,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f8f8d 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 15:40:05,670 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 15:40:05,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f8f8d 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 15:40:05,670 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 15:40:05,672 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-07-21 15:40:05,683 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:40:05,691 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:40:05,706 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:40:05,733 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:40:05,733 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:40:05,734 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:40:05,734 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:40:05,734 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:40:05,734 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:40:05,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:40:05,735 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:40:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-07-21 15:40:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:40:05,772 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:05,773 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 15:40:05,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:05,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:05,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1269401024, now seen corresponding path program 1 times [2020-07-21 15:40:05,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:05,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293443129] [2020-07-21 15:40:05,790 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 15:40:06,144 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:06,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:06,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:40:06,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:06,189 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 15:40:06,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:06,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293443129] [2020-07-21 15:40:06,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:06,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:40:06,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405122270] [2020-07-21 15:40:06,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:40:06,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:06,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:40:06,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:40:06,217 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2020-07-21 15:40:06,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:06,258 INFO L93 Difference]: Finished difference Result 204 states and 257 transitions. [2020-07-21 15:40:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:40:06,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 15:40:06,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:06,273 INFO L225 Difference]: With dead ends: 204 [2020-07-21 15:40:06,273 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 15:40:06,278 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 15:40:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 15:40:06,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 15:40:06,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 15:40:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions. [2020-07-21 15:40:06,339 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51 [2020-07-21 15:40:06,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:06,339 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 122 transitions. [2020-07-21 15:40:06,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:40:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2020-07-21 15:40:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:40:06,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:06,344 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 15:40:06,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:06,559 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:06,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:06,559 INFO L82 PathProgramCache]: Analyzing trace with hash 595669144, now seen corresponding path program 1 times [2020-07-21 15:40:06,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:06,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023940953] [2020-07-21 15:40:06,560 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 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 15:40:06,873 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:06,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:06,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:40:06,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:06,942 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 15:40:06,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:06,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023940953] [2020-07-21 15:40:06,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:06,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:40:06,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711452479] [2020-07-21 15:40:06,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:40:06,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:06,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:40:06,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:40:06,950 INFO L87 Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 3 states. [2020-07-21 15:40:06,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:06,992 INFO L93 Difference]: Finished difference Result 180 states and 219 transitions. [2020-07-21 15:40:06,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:40:06,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:40:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:07,000 INFO L225 Difference]: With dead ends: 180 [2020-07-21 15:40:07,000 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 15:40:07,002 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 15:40:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 15:40:07,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 15:40:07,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 15:40:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-21 15:40:07,017 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 52 [2020-07-21 15:40:07,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:07,017 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-21 15:40:07,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:40:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-21 15:40:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:40:07,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:40:07,020 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 15:40:07,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:07,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:40:07,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:40:07,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1110138086, now seen corresponding path program 1 times [2020-07-21 15:40:07,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:40:07,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994214544] [2020-07-21 15:40:07,237 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 15:40:07,562 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:40:07,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:40:07,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:40:07,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:40:07,626 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 15:40:07,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:40:07,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994214544] [2020-07-21 15:40:07,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:40:07,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:40:07,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391171711] [2020-07-21 15:40:07,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:40:07,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:40:07,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:40:07,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:40:07,630 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 6 states. [2020-07-21 15:40:07,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:40:07,880 INFO L93 Difference]: Finished difference Result 161 states and 196 transitions. [2020-07-21 15:40:07,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:40:07,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 15:40:07,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:40:07,882 INFO L225 Difference]: With dead ends: 161 [2020-07-21 15:40:07,882 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:40:07,887 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 15:40:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:40:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:40:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:40:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:40:07,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-21 15:40:07,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:40:07,888 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:40:07,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:40:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:40:07,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:40:08,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:40:08,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point L598(lines 598 602) no Hoare annotation was computed. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2020-07-21 15:40:08,704 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point L614(lines 591 615) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point L655(lines 655 659) no Hoare annotation was computed. [2020-07-21 15:40:08,705 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2020-07-21 15:40:08,706 INFO L268 CegarLoopResult]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2020-07-21 15:40:08,706 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-07-21 15:40:08,706 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2020-07-21 15:40:08,706 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2020-07-21 15:40:08,708 INFO L268 CegarLoopResult]: For program point L675(lines 648 676) no Hoare annotation was computed. [2020-07-21 15:40:08,708 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2020-07-21 15:40:08,708 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2020-07-21 15:40:08,708 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2020-07-21 15:40:08,708 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2020-07-21 15:40:08,709 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 415 423) no Hoare annotation was computed. [2020-07-21 15:40:08,709 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,709 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,709 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,709 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,710 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 15:40:08,710 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 15:40:08,710 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,710 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,710 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 15:40:08,710 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:40:08,711 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 15:40:08,712 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 344 352) no Hoare annotation was computed. [2020-07-21 15:40:08,713 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point L383-1(line 383) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point L372(lines 372 380) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 380) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 353 388) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point L360(lines 360 368) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 353 388) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 368) no Hoare annotation was computed. [2020-07-21 15:40:08,714 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 353 388) no Hoare annotation was computed. [2020-07-21 15:40:08,715 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2020-07-21 15:40:08,715 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2020-07-21 15:40:08,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2020-07-21 15:40:08,716 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point L848(lines 848 868) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2020-07-21 15:40:08,717 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,717 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,718 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 15:40:08,718 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 15:40:08,718 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-21 15:40:08,718 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2020-07-21 15:40:08,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2020-07-21 15:40:08,718 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 333 343) no Hoare annotation was computed. [2020-07-21 15:40:08,719 INFO L271 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: true [2020-07-21 15:40:08,719 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2020-07-21 15:40:08,719 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2020-07-21 15:40:08,719 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 325 332) no Hoare annotation was computed. [2020-07-21 15:40:08,719 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,720 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2020-07-21 15:40:08,720 INFO L268 CegarLoopResult]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2020-07-21 15:40:08,720 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,720 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:08,720 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:08,720 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-21 15:40:08,721 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:08,721 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-07-21 15:40:08,721 INFO L268 CegarLoopResult]: For program point L296(lines 296 313) no Hoare annotation was computed. [2020-07-21 15:40:08,722 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2020-07-21 15:40:08,722 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2020-07-21 15:40:08,723 INFO L264 CegarLoopResult]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,723 INFO L268 CegarLoopResult]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2020-07-21 15:40:08,723 INFO L264 CegarLoopResult]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,724 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 15:40:08,724 INFO L264 CegarLoopResult]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,724 INFO L268 CegarLoopResult]: For program point L199(lines 198 243) no Hoare annotation was computed. [2020-07-21 15:40:08,724 INFO L268 CegarLoopResult]: For program point L228(lines 228 239) no Hoare annotation was computed. [2020-07-21 15:40:08,724 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,724 INFO L268 CegarLoopResult]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-07-21 15:40:08,725 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2020-07-21 15:40:08,725 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,725 INFO L264 CegarLoopResult]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,725 INFO L268 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-07-21 15:40:08,725 INFO L268 CegarLoopResult]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2020-07-21 15:40:08,725 INFO L268 CegarLoopResult]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-07-21 15:40:08,725 INFO L268 CegarLoopResult]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point L808(lines 808 815) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L268 CegarLoopResult]: For program point L802(lines 802 822) no Hoare annotation was computed. [2020-07-21 15:40:08,726 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: true [2020-07-21 15:40:08,727 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:08,727 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-21 15:40:08,727 INFO L268 CegarLoopResult]: For program point L170(lines 170 180) no Hoare annotation was computed. [2020-07-21 15:40:08,727 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-21 15:40:08,727 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-21 15:40:08,727 INFO L268 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-07-21 15:40:08,727 INFO L268 CegarLoopResult]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2020-07-21 15:40:08,727 INFO L271 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: true [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point L164-1(line 164) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point L481(lines 481 489) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point L481-2(lines 481 489) no Hoare annotation was computed. [2020-07-21 15:40:08,728 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 473 495) no Hoare annotation was computed. [2020-07-21 15:40:08,729 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 473 495) no Hoare annotation was computed. [2020-07-21 15:40:08,729 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 473 495) no Hoare annotation was computed. [2020-07-21 15:40:08,729 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 391 400) no Hoare annotation was computed. [2020-07-21 15:40:08,729 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 391 400) no Hoare annotation was computed. [2020-07-21 15:40:08,731 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 391 400) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L735(lines 734 754) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L766-1(line 766) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L731(lines 731 772) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-21 15:40:08,732 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point L773(lines 773 784) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point L736(lines 736 740) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point L755(lines 733 756) no Hoare annotation was computed. [2020-07-21 15:40:08,733 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2020-07-21 15:40:08,734 INFO L268 CegarLoopResult]: For program point L714(lines 714 730) no Hoare annotation was computed. [2020-07-21 15:40:08,734 INFO L268 CegarLoopResult]: For program point L774(lines 774 781) no Hoare annotation was computed. [2020-07-21 15:40:08,734 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,734 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:08,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,736 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 317 324) no Hoare annotation was computed. [2020-07-21 15:40:08,736 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2020-07-21 15:40:08,737 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 317 324) no Hoare annotation was computed. [2020-07-21 15:40:08,737 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 496 504) no Hoare annotation was computed. [2020-07-21 15:40:08,737 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 496 504) no Hoare annotation was computed. [2020-07-21 15:40:08,737 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 496 504) no Hoare annotation was computed. [2020-07-21 15:40:08,737 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-07-21 15:40:08,738 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-07-21 15:40:08,738 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-07-21 15:40:08,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,738 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,738 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,738 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,739 INFO L264 CegarLoopResult]: At program point L271(lines 271 277) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,739 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2020-07-21 15:40:08,739 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:40:08,739 INFO L268 CegarLoopResult]: For program point L264(lines 263 282) no Hoare annotation was computed. [2020-07-21 15:40:08,739 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2020-07-21 15:40:08,740 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 15:40:08,740 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 15:40:08,741 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,741 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 15:40:08,741 INFO L264 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,741 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 15:40:08,741 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,741 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:40:08,741 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 15:40:08,742 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 15:40:08,742 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2020-07-21 15:40:08,742 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 464 472) no Hoare annotation was computed. [2020-07-21 15:40:08,742 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2020-07-21 15:40:08,743 INFO L268 CegarLoopResult]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2020-07-21 15:40:08,743 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2020-07-21 15:40:08,743 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2020-07-21 15:40:08,743 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 15:40:08,743 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 15:40:08,743 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,743 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:40:08,744 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:40:08,744 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:40:08,744 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2020-07-21 15:40:08,744 INFO L268 CegarLoopResult]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2020-07-21 15:40:08,744 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: true [2020-07-21 15:40:08,745 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 506 513) no Hoare annotation was computed. [2020-07-21 15:40:08,745 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2020-07-21 15:40:08,745 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2020-07-21 15:40:08,745 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2020-07-21 15:40:08,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:40:08 BoogieIcfgContainer [2020-07-21 15:40:08,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:40:08,777 INFO L168 Benchmark]: Toolchain (without parser) took 5130.87 ms. Allocated memory was 140.5 MB in the beginning and 244.8 MB in the end (delta: 104.3 MB). Free memory was 104.6 MB in the beginning and 125.4 MB in the end (delta: -20.7 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,778 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.20 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,780 INFO L168 Benchmark]: Boogie Preprocessor took 101.86 ms. Allocated memory is still 203.4 MB. Free memory was 173.9 MB in the beginning and 169.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,781 INFO L168 Benchmark]: RCFGBuilder took 1202.99 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.8 MB in the beginning and 198.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,783 INFO L168 Benchmark]: TraceAbstraction took 3106.91 ms. Allocated memory was 234.4 MB in the beginning and 244.8 MB in the end (delta: 10.5 MB). Free memory was 198.6 MB in the beginning and 125.4 MB in the end (delta: 73.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:40:08,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.20 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 104.2 MB in the beginning and 173.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.86 ms. Allocated memory is still 203.4 MB. Free memory was 173.9 MB in the beginning and 169.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.99 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.8 MB in the beginning and 198.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3106.91 ms. Allocated memory was 234.4 MB in the beginning and 244.8 MB in the end (delta: 10.5 MB). Free memory was 198.6 MB in the beginning and 125.4 MB in the end (delta: 73.2 MB). Peak memory consumption was 116.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 344 SDtfs, 163 SDslu, 230 SDs, 0 SdLazy, 56 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 167 PreInvPairs, 183 NumberOfFragments, 349 HoareAnnotationTreeSize, 167 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 287 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 167 NumberOfCodeBlocks, 167 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 15334 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2041 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...