/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:34:56,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:34:56,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:34:56,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:34:56,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:34:56,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:34:56,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:34:56,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:34:56,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:34:56,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:34:56,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:34:56,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:34:56,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:34:56,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:34:56,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:34:56,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:34:56,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:34:56,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:34:56,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:34:56,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:34:56,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:34:56,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:34:56,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:34:56,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:34:56,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:34:56,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:34:56,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:34:56,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:34:56,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:34:56,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:34:56,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:34:56,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:34:56,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:34:56,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:34:56,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:34:56,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:34:56,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:34:56,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:34:56,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:34:56,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:34:56,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:34:56,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:34:56,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:34:56,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:34:56,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:34:56,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:34:56,419 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:34:56,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:34:56,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:34:56,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:34:56,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:34:56,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:34:56,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:34:56,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:34:56,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:34:56,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:34:56,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:34:56,423 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:34:56,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:34:56,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:34:56,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:34:56,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:34:56,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:34:56,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:34:56,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:34:56,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:34:56,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:34:56,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:34:56,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:34:56,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:34:56,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:34:56,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:34:56,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:34:56,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:34:56,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:34:56,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:34:56,783 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:34:56,783 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-07-21 10:34:56,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb75868/3761f93a1c0146d2b09009712e3edf0e/FLAGe0d6ac9a0 [2020-07-21 10:34:57,419 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:34:57,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-07-21 10:34:57,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb75868/3761f93a1c0146d2b09009712e3edf0e/FLAGe0d6ac9a0 [2020-07-21 10:34:57,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7cb75868/3761f93a1c0146d2b09009712e3edf0e [2020-07-21 10:34:57,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:34:57,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:34:57,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:57,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:34:57,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:34:57,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cb5a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:57, skipping insertion in model container [2020-07-21 10:34:57,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:34:57,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:34:58,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,246 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:34:58,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,365 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:34:58,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58 WrapperNode [2020-07-21 10:34:58,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:58,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:34:58,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:34:58,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:34:58,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:34:58,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:34:58,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:34:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:34:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:34:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:34:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:34:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:34:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:34:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:34:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:34:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:34:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:34:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:34:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:34:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:34:58,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:34:58,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:34:59,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:34:59,581 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:34:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:59 BoogieIcfgContainer [2020-07-21 10:34:59,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:34:59,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:34:59,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:34:59,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:34:59,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:34:57" (1/3) ... [2020-07-21 10:34:59,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ccd280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:59, skipping insertion in model container [2020-07-21 10:34:59,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (2/3) ... [2020-07-21 10:34:59,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ccd280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:59, skipping insertion in model container [2020-07-21 10:34:59,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:59" (3/3) ... [2020-07-21 10:34:59,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-07-21 10:34:59,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:34:59,622 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:34:59,641 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:34:59,664 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:34:59,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:34:59,664 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:34:59,664 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:34:59,664 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:34:59,665 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:34:59,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:34:59,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:34:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2020-07-21 10:34:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:34:59,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:34:59,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:34:59,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:34:59,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:34:59,704 INFO L82 PathProgramCache]: Analyzing trace with hash -835397562, now seen corresponding path program 1 times [2020-07-21 10:34:59,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:34:59,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162832377] [2020-07-21 10:34:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:34:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:34:59,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:34:59,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:00,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162832377] [2020-07-21 10:35:00,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:00,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704704205] [2020-07-21 10:35:00,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:00,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:00,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:00,041 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2020-07-21 10:35:00,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,078 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-07-21 10:35:00,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:00,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:00,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,091 INFO L225 Difference]: With dead ends: 162 [2020-07-21 10:35:00,092 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 10:35:00,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 10:35:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 10:35:00,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 10:35:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-07-21 10:35:00,175 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-07-21 10:35:00,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,185 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-07-21 10:35:00,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-07-21 10:35:00,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:00,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:00,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,407 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:00,408 INFO L82 PathProgramCache]: Analyzing trace with hash -297882774, now seen corresponding path program 1 times [2020-07-21 10:35:00,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:00,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193487157] [2020-07-21 10:35:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:00,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:00,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:00,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193487157] [2020-07-21 10:35:00,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:00,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519841388] [2020-07-21 10:35:00,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:00,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:00,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:00,643 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2020-07-21 10:35:00,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,663 INFO L93 Difference]: Finished difference Result 138 states and 167 transitions. [2020-07-21 10:35:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:00,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,667 INFO L225 Difference]: With dead ends: 138 [2020-07-21 10:35:00,667 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 10:35:00,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:00,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 10:35:00,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 10:35:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 10:35:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2020-07-21 10:35:00,683 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 47 [2020-07-21 10:35:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,683 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2020-07-21 10:35:00,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2020-07-21 10:35:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 10:35:00,686 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,686 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] [2020-07-21 10:35:00,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,900 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1764418190, now seen corresponding path program 1 times [2020-07-21 10:35:00,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:00,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082725733] [2020-07-21 10:35:00,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:01,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082725733] [2020-07-21 10:35:01,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:01,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926762682] [2020-07-21 10:35:01,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:01,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:01,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:01,099 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand 3 states. [2020-07-21 10:35:01,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,111 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2020-07-21 10:35:01,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:01,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-21 10:35:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,114 INFO L225 Difference]: With dead ends: 111 [2020-07-21 10:35:01,114 INFO L226 Difference]: Without dead ends: 72 [2020-07-21 10:35:01,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:01,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-21 10:35:01,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-21 10:35:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-21 10:35:01,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-07-21 10:35:01,126 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 50 [2020-07-21 10:35:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,126 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-07-21 10:35:01,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:01,127 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-07-21 10:35:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-21 10:35:01,129 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:01,129 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] [2020-07-21 10:35:01,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,346 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:01,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1503869897, now seen corresponding path program 1 times [2020-07-21 10:35:01,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:01,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809824224] [2020-07-21 10:35:01,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:01,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809824224] [2020-07-21 10:35:01,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:01,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375704992] [2020-07-21 10:35:01,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:01,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:01,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:01,581 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2020-07-21 10:35:01,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,782 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2020-07-21 10:35:01,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:01,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-21 10:35:01,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,783 INFO L225 Difference]: With dead ends: 115 [2020-07-21 10:35:01,783 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:01,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:01,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:01,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-21 10:35:01,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,786 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:01,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:01,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:01,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point L574(lines 551 575) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 527 582) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 527 582) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 573) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 527 582) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L609-2(lines 609 634) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L635(lines 608 636) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 583 642) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 583 642) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 583 642) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L615(lines 615 619) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point L615-1(lines 615 619) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L271 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: true [2020-07-21 10:35:02,426 INFO L271 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: true [2020-07-21 10:35:02,426 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2020-07-21 10:35:02,426 INFO L271 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: true [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L271 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: true [2020-07-21 10:35:02,427 INFO L271 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: true [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 328 336) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 328 336) the Hoare annotation is: true [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 328 336) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L344(lines 344 352) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L344-2(lines 344 352) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 337 372) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 337 372) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L356(lines 356 364) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 337 372) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point L356-2(lines 356 364) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 481 526) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 481 526) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 481 526) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L271 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 794 839) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L814(lines 814 821) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 794 839) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L808(lines 808 828) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 794 839) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 317 327) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 317 327) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 317 327) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 309 316) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 300) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 294 300) the Hoare annotation is: true [2020-07-21 10:35:02,434 INFO L271 CegarLoopResult]: At program point testENTRY(lines 374 437) the Hoare annotation is: true [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 437) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L264 CegarLoopResult]: At program point L430(lines 383 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L420(lines 420 424) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L264 CegarLoopResult]: At program point L420-2(lines 414 425) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L385(lines 384 429) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L414(lines 414 425) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,436 INFO L264 CegarLoopResult]: At program point L427(lines 384 429) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 437) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L768(lines 768 775) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L762(lines 762 782) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 748 793) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 782) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 748 793) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 748 793) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 645 747) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point L669(lines 669 673) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point L733(lines 733 744) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L696(lines 696 700) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 714) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L715(lines 693 716) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 645 747) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L674(lines 674 690) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L695(lines 694 714) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point L691(lines 691 732) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 645 747) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 301 308) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 301 308) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 301 308) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: true [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point L281(lines 281 287) the Hoare annotation is: true [2020-07-21 10:35:02,443 INFO L264 CegarLoopResult]: At program point L276(line 276) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point L274(lines 273 292) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: true [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,446 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:02,446 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,446 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-07-21 10:35:02,446 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-07-21 10:35:02,446 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2020-07-21 10:35:02,446 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 466 473) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 466 473) the Hoare annotation is: true [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 466 473) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point L448(lines 448 461) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point L448-1(lines 440 464) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L271 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: true [2020-07-21 10:35:02,447 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-07-21 10:35:02,447 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 440 464) the Hoare annotation is: true [2020-07-21 10:35:02,448 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 440 464) no Hoare annotation was computed. [2020-07-21 10:35:02,448 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,448 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-21 10:35:02,448 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-07-21 10:35:02,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:02 BoogieIcfgContainer [2020-07-21 10:35:02,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:02,467 INFO L168 Benchmark]: Toolchain (without parser) took 4754.66 ms. Allocated memory was 145.2 MB in the beginning and 250.1 MB in the end (delta: 104.9 MB). Free memory was 100.4 MB in the beginning and 185.0 MB in the end (delta: -84.5 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,468 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.17 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 171.8 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,470 INFO L168 Benchmark]: Boogie Preprocessor took 87.95 ms. Allocated memory is still 201.9 MB. Free memory was 171.8 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,471 INFO L168 Benchmark]: RCFGBuilder took 1131.58 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 203.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,472 INFO L168 Benchmark]: TraceAbstraction took 2875.66 ms. Allocated memory was 233.8 MB in the beginning and 250.1 MB in the end (delta: 16.3 MB). Free memory was 203.4 MB in the beginning and 185.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 133.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.17 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.0 MB in the beginning and 171.8 MB in the end (delta: -71.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.95 ms. Allocated memory is still 201.9 MB. Free memory was 171.8 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.58 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 167.0 MB in the beginning and 203.4 MB in the end (delta: -36.3 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2875.66 ms. Allocated memory was 233.8 MB in the beginning and 250.1 MB in the end (delta: 16.3 MB). Free memory was 203.4 MB in the beginning and 185.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 133.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 470]: 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: 384]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == pumpRunning)) || splverifierCounter <= 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 100 SDslu, 244 SDs, 0 SdLazy, 44 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 126 PreInvPairs, 134 NumberOfFragments, 114 HoareAnnotationTreeSize, 126 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 373 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 17939 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2486 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...