/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:34:56,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:34:56,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:34:56,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:34:56,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:34:56,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:34:56,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:34:56,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:34:56,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:34:56,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:34:56,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:34:56,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:34:56,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:34:56,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:34:56,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:34:56,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:34:56,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:34:56,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:34:56,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:34:56,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:34:56,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:34:56,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:34:56,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:34:56,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:34:56,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:34:56,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:34:56,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:34:56,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:34:56,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:34:56,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:34:56,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:34:56,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:34:56,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:34:56,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:34:56,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:34:56,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:34:56,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:34:56,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:34:56,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:34:56,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:34:56,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:34:56,519 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 10:34:56,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:34:56,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:34:56,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:34:56,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:34:56,545 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:34:56,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:34:56,545 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:34:56,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:34:56,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:34:56,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:34:56,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:34:56,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:34:56,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:34:56,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:34:56,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:34:56,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:34:56,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:34:56,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:34:56,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:34:56,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:34:56,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:34:56,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:34:56,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:34:56,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:34:56,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:34:56,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:34:56,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:34:56,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:34:56,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:34:56,551 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 10:34:56,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:34:56,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:34:56,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:34:56,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:34:56,893 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:34:56,894 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-07-21 10:34:56,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83277b918/796efe9e88f54b63872963d1e474fb73/FLAGc7de119dc [2020-07-21 10:34:57,514 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:34:57,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-07-21 10:34:57,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83277b918/796efe9e88f54b63872963d1e474fb73/FLAGc7de119dc [2020-07-21 10:34:57,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83277b918/796efe9e88f54b63872963d1e474fb73 [2020-07-21 10:34:57,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:34:57,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:34:57,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:57,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:34:57,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:34:57,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1841f479 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 10:34:57,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:34:57,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:34:58,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,327 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:34:58,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,441 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:34:58,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58 WrapperNode [2020-07-21 10:34:58,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:58,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:34:58,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:34:58,457 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 10:34:58,458 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 10:34:58,483 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 10:34:58,483 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 10:34:58,515 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 10:34:58,526 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 10:34:58,534 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 10:34:58,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:34:58,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:34:58,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:34:58,556 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 10:34:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:34:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:34:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:34:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:34:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:34:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:34:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:34:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:34:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:34:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:34:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:34:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:34:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:34:58,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:34:58,640 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:34:58,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:34:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:34:58,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:34:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:34:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:34:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:34:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:34:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:34:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:34:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:34:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:34:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:34:58,648 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:34:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:34:58,649 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:34:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:34:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:34:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:34:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:34:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:34:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:34:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-21 10:34:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:34:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:34:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:34:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:34:59,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:34:59,643 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:34:59,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:59 BoogieIcfgContainer [2020-07-21 10:34:59,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:34:59,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:34:59,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:34:59,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:34:59,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:34:57" (1/3) ... [2020-07-21 10:34:59,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33410125 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 10:34:59,672 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 10:34:59,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33410125 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 10:34:59,672 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 10:34:59,674 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-07-21 10:34:59,686 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:34:59,694 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:34:59,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:34:59,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:34:59,736 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:34:59,736 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:34:59,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:34:59,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:34:59,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:34:59,737 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:34:59,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:34:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-07-21 10:34:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:34:59,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:34:59,781 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 10:34:59,781 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:34:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:34:59,790 INFO L82 PathProgramCache]: Analyzing trace with hash -830418585, now seen corresponding path program 1 times [2020-07-21 10:34:59,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:34:59,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473774361] [2020-07-21 10:34:59,801 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 10:35:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:00,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:00,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,090 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 10:35:00,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473774361] [2020-07-21 10:35:00,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:00,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623133560] [2020-07-21 10:35:00,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:00,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:00,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:00,120 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-07-21 10:35:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,157 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-07-21 10:35:00,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:00,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,170 INFO L225 Difference]: With dead ends: 162 [2020-07-21 10:35:00,171 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 10:35:00,175 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 10:35:00,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 10:35:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 10:35:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 10:35:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-07-21 10:35:00,228 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-07-21 10:35:00,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,229 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-07-21 10:35:00,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:00,229 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-07-21 10:35:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:00,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,233 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 10:35:00,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,447 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:00,448 INFO L82 PathProgramCache]: Analyzing trace with hash -840422466, now seen corresponding path program 1 times [2020-07-21 10:35:00,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:00,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625484615] [2020-07-21 10:35:00,450 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 10:35:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:00,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:00,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:00,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625484615] [2020-07-21 10:35:00,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:00,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293894641] [2020-07-21 10:35:00,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:00,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:00,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:00,688 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2020-07-21 10:35:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,709 INFO L93 Difference]: Finished difference Result 138 states and 167 transitions. [2020-07-21 10:35:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:00,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,711 INFO L225 Difference]: With dead ends: 138 [2020-07-21 10:35:00,712 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 10:35:00,713 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 10:35:00,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 10:35:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 10:35:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 10:35:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2020-07-21 10:35:00,725 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 47 [2020-07-21 10:35:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,726 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2020-07-21 10:35:00,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2020-07-21 10:35:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-07-21 10:35:00,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,729 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 10:35:00,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,942 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:00,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:00,943 INFO L82 PathProgramCache]: Analyzing trace with hash -812242293, now seen corresponding path program 1 times [2020-07-21 10:35:00,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:00,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1279579909] [2020-07-21 10:35:00,945 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 10:35:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,165 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 10:35:01,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1279579909] [2020-07-21 10:35:01,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:01,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058950163] [2020-07-21 10:35:01,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:01,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:01,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:01,168 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand 3 states. [2020-07-21 10:35:01,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,181 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2020-07-21 10:35:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:01,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-07-21 10:35:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,183 INFO L225 Difference]: With dead ends: 111 [2020-07-21 10:35:01,184 INFO L226 Difference]: Without dead ends: 72 [2020-07-21 10:35:01,185 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 10:35:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-21 10:35:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-21 10:35:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-21 10:35:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-07-21 10:35:01,194 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 50 [2020-07-21 10:35:01,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,194 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-07-21 10:35:01,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-07-21 10:35:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-21 10:35:01,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:01,200 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 10:35:01,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,414 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:01,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:01,415 INFO L82 PathProgramCache]: Analyzing trace with hash 132896390, now seen corresponding path program 1 times [2020-07-21 10:35:01,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:01,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144593846] [2020-07-21 10:35:01,415 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 10:35:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,633 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 10:35:01,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144593846] [2020-07-21 10:35:01,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:01,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771572864] [2020-07-21 10:35:01,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:01,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:01,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:01,636 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2020-07-21 10:35:01,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,843 INFO L93 Difference]: Finished difference Result 115 states and 134 transitions. [2020-07-21 10:35:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:01,843 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-21 10:35:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,844 INFO L225 Difference]: With dead ends: 115 [2020-07-21 10:35:01,844 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:01,846 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 10:35:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:01,847 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-07-21 10:35:01,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,847 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:01,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:01,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:02,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:02,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:02,417 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-07-21 10:35:02,418 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-07-21 10:35:02,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-07-21 10:35:02,420 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-07-21 10:35:02,420 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-07-21 10:35:02,420 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-21 10:35:02,420 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-07-21 10:35:02,420 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 10:35:02,420 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 10:35:02,421 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:02,421 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 10:35:02,421 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 10:35:02,421 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: true [2020-07-21 10:35:02,421 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-07-21 10:35:02,421 INFO L271 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: true [2020-07-21 10:35:02,421 INFO L271 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: true [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-21 10:35:02,422 INFO L271 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: true [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-07-21 10:35:02,422 INFO L271 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: true [2020-07-21 10:35:02,422 INFO L271 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: true [2020-07-21 10:35:02,422 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 10:35:02,423 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 10:35:02,424 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 676 683) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 676 683) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 676 683) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2020-07-21 10:35:02,425 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2020-07-21 10:35:02,425 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 730 765) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2020-07-21 10:35:02,426 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-07-21 10:35:02,427 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L271 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: true [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-07-21 10:35:02,428 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 710 720) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 710 720) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 702 709) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2020-07-21 10:35:02,429 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2020-07-21 10:35:02,430 INFO L271 CegarLoopResult]: At program point testENTRY(lines 767 830) the Hoare annotation is: true [2020-07-21 10:35:02,430 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-07-21 10:35:02,430 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,431 INFO L264 CegarLoopResult]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point L787(lines 787 793) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-07-21 10:35:02,431 INFO L264 CegarLoopResult]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L813(lines 813 817) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L264 CegarLoopResult]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L778(lines 777 822) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point L807(lines 807 818) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2020-07-21 10:35:02,432 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-07-21 10:35:02,433 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-07-21 10:35:02,434 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-07-21 10:35:02,435 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-07-21 10:35:02,436 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2020-07-21 10:35:02,437 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 520 528) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,438 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-07-21 10:35:02,439 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L271 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: true [2020-07-21 10:35:02,440 INFO L271 CegarLoopResult]: At program point L656(lines 656 662) the Hoare annotation is: true [2020-07-21 10:35:02,440 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: true [2020-07-21 10:35:02,440 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point L649(lines 648 667) no Hoare annotation was computed. [2020-07-21 10:35:02,440 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-07-21 10:35:02,441 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-21 10:35:02,441 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-07-21 10:35:02,441 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-07-21 10:35:02,442 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:02,443 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-07-21 10:35:02,443 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: true [2020-07-21 10:35:02,443 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2020-07-21 10:35:02,444 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2020-07-21 10:35:02,444 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L840(lines 840 853) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2020-07-21 10:35:02,445 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-07-21 10:35:02,445 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-07-21 10:35:02,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:02 BoogieIcfgContainer [2020-07-21 10:35:02,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:02,463 INFO L168 Benchmark]: Toolchain (without parser) took 4616.42 ms. Allocated memory was 136.8 MB in the beginning and 253.2 MB in the end (delta: 116.4 MB). Free memory was 100.8 MB in the beginning and 191.0 MB in the end (delta: -90.3 MB). Peak memory consumption was 134.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,464 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.84 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 172.1 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,466 INFO L168 Benchmark]: Boogie Preprocessor took 109.53 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 168.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,467 INFO L168 Benchmark]: RCFGBuilder took 1112.83 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 167.5 MB in the beginning and 202.2 MB in the end (delta: -34.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,468 INFO L168 Benchmark]: TraceAbstraction took 2794.18 ms. Allocated memory was 230.7 MB in the beginning and 253.2 MB in the end (delta: 22.5 MB). Free memory was 202.2 MB in the beginning and 191.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,472 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 593.84 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 172.1 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.53 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 168.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1112.83 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 167.5 MB in the beginning and 202.2 MB in the end (delta: -34.6 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2794.18 ms. Allocated memory was 230.7 MB in the beginning and 253.2 MB in the end (delta: 22.5 MB). Free memory was 202.2 MB in the beginning and 191.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 141.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == pumpRunning)) || splverifierCounter <= 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= systemActive) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, 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=135occurred 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...