/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:50:53,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:50:53,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:50:53,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:50:53,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:50:53,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:50:53,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:50:53,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:50:53,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:50:53,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:50:53,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:50:53,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:50:53,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:50:53,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:50:53,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:50:53,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:50:53,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:50:53,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:50:53,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:50:53,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:50:53,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:50:53,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:50:53,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:50:53,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:50:53,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:50:53,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:50:53,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:50:53,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:50:53,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:50:53,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:50:53,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:50:53,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:50:53,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:50:53,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:50:53,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:50:53,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:50:53,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:50:53,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:50:53,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:50:53,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:50:53,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:50:53,493 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 12:50:53,508 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:50:53,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:50:53,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:50:53,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:50:53,510 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:50:53,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:50:53,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:50:53,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:50:53,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:50:53,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:50:53,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:50:53,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:50:53,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:50:53,512 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:50:53,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:50:53,512 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:50:53,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:50:53,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:50:53,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:50:53,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:50:53,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:50:53,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:50:53,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:50:53,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:50:53,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:50:53,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:50:53,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:53,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:50:53,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:50:53,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:50:53,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:50:53,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:50:53,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:50:53,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:50:53,820 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:50:53,821 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2020-07-21 12:50:53,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc0f6cfd/ca44468ab541418db499fb55f062c07e/FLAG5a490adc2 [2020-07-21 12:50:54,406 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:50:54,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product02.cil.c [2020-07-21 12:50:54,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc0f6cfd/ca44468ab541418db499fb55f062c07e/FLAG5a490adc2 [2020-07-21 12:50:54,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddc0f6cfd/ca44468ab541418db499fb55f062c07e [2020-07-21 12:50:54,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:50:54,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:50:54,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:54,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:50:54,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:50:54,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:54" (1/1) ... [2020-07-21 12:50:54,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c667591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:54, skipping insertion in model container [2020-07-21 12:50:54,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:54" (1/1) ... [2020-07-21 12:50:54,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:50:54,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:50:55,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:55,213 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:50:55,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:55,317 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:50:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55 WrapperNode [2020-07-21 12:50:55,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:55,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:50:55,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:50:55,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:50:55,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (1/1) ... [2020-07-21 12:50:55,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:50:55,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:50:55,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:50:55,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:50:55,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (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 12:50:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:50:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:50:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:50:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:50:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:50:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:50:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:50:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:50:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:50:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:50:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 12:50:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:50:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:50:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:50:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:50:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:50:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:50:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:50:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:50:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:50:56,536 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:50:56,536 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:50:56,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:56 BoogieIcfgContainer [2020-07-21 12:50:56,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:50:56,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:50:56,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:50:56,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:50:56,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:50:54" (1/3) ... [2020-07-21 12:50:56,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77327451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:56, skipping insertion in model container [2020-07-21 12:50:56,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:55" (2/3) ... [2020-07-21 12:50:56,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77327451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:56, skipping insertion in model container [2020-07-21 12:50:56,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:56" (3/3) ... [2020-07-21 12:50:56,550 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2020-07-21 12:50:56,561 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:50:56,569 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:50:56,584 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:50:56,610 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:50:56,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:50:56,611 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:50:56,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:50:56,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:50:56,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:50:56,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:50:56,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:50:56,634 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2020-07-21 12:50:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:50:56,643 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:56,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:56,644 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:56,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:56,650 INFO L82 PathProgramCache]: Analyzing trace with hash -381422991, now seen corresponding path program 1 times [2020-07-21 12:50:56,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:56,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885738968] [2020-07-21 12:50:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:57,120 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:57,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:57,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:50:57,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:57,170 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 12:50:57,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:57,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885738968] [2020-07-21 12:50:57,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:57,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:50:57,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152030756] [2020-07-21 12:50:57,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:50:57,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:57,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:50:57,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:57,196 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2020-07-21 12:50:57,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:57,234 INFO L93 Difference]: Finished difference Result 176 states and 221 transitions. [2020-07-21 12:50:57,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:50:57,236 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 12:50:57,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:57,247 INFO L225 Difference]: With dead ends: 176 [2020-07-21 12:50:57,247 INFO L226 Difference]: Without dead ends: 90 [2020-07-21 12:50:57,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:57,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-21 12:50:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-21 12:50:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-21 12:50:57,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-21 12:50:57,305 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2020-07-21 12:50:57,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:57,305 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-21 12:50:57,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:50:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-21 12:50:57,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:50:57,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:57,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:57,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:57,525 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:57,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:57,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1660884333, now seen corresponding path program 1 times [2020-07-21 12:50:57,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:57,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978618451] [2020-07-21 12:50:57,527 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:57,855 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:57,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:57,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:50:57,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:57,901 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 12:50:57,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:57,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978618451] [2020-07-21 12:50:57,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:57,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:57,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193006751] [2020-07-21 12:50:57,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:57,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:57,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:57,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:57,906 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2020-07-21 12:50:57,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:57,923 INFO L93 Difference]: Finished difference Result 121 states and 139 transitions. [2020-07-21 12:50:57,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:57,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:50:57,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:57,926 INFO L225 Difference]: With dead ends: 121 [2020-07-21 12:50:57,926 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 12:50:57,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:57,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 12:50:57,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 12:50:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 12:50:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-07-21 12:50:57,939 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2020-07-21 12:50:57,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:57,940 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-07-21 12:50:57,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-07-21 12:50:57,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:50:57,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:57,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:58,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:58,156 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:58,156 INFO L82 PathProgramCache]: Analyzing trace with hash -562457481, now seen corresponding path program 1 times [2020-07-21 12:50:58,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:58,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949685086] [2020-07-21 12:50:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:58,527 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:58,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:58,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:50:58,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:58,564 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 12:50:58,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:58,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949685086] [2020-07-21 12:50:58,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:58,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:58,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691721309] [2020-07-21 12:50:58,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:58,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:58,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:58,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:58,567 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 3 states. [2020-07-21 12:50:58,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:58,587 INFO L93 Difference]: Finished difference Result 134 states and 157 transitions. [2020-07-21 12:50:58,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:58,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-21 12:50:58,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:58,590 INFO L225 Difference]: With dead ends: 134 [2020-07-21 12:50:58,590 INFO L226 Difference]: Without dead ends: 81 [2020-07-21 12:50:58,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:58,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-21 12:50:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-21 12:50:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-21 12:50:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2020-07-21 12:50:58,604 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2020-07-21 12:50:58,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:58,605 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2020-07-21 12:50:58,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2020-07-21 12:50:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:50:58,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:58,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:58,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:58,826 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:58,827 INFO L82 PathProgramCache]: Analyzing trace with hash -423646974, now seen corresponding path program 1 times [2020-07-21 12:50:58,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:58,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445786145] [2020-07-21 12:50:58,829 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:59,106 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:59,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:59,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:50:59,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:59,175 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 12:50:59,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:59,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445786145] [2020-07-21 12:50:59,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:59,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:59,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645738025] [2020-07-21 12:50:59,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:59,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:59,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:59,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:59,179 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 6 states. [2020-07-21 12:50:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:59,349 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-21 12:50:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:50:59,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 12:50:59,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:59,355 INFO L225 Difference]: With dead ends: 128 [2020-07-21 12:50:59,355 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:50:59,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:50:59,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:50:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:50:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:50:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:50:59,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-07-21 12:50:59,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:59,357 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:50:59,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:50:59,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:50:59,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:59,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:51:00,111 INFO L268 CegarLoopResult]: For program point L288(lines 288 292) no Hoare annotation was computed. [2020-07-21 12:51:00,111 INFO L268 CegarLoopResult]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2020-07-21 12:51:00,111 INFO L268 CegarLoopResult]: For program point L283(line 283) no Hoare annotation was computed. [2020-07-21 12:51:00,111 INFO L268 CegarLoopResult]: For program point L282-2(lines 282 303) no Hoare annotation was computed. [2020-07-21 12:51:00,111 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 257 312) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L304(lines 281 305) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 257 312) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 257 312) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 349) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 313 372) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L339-2(lines 339 364) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 313 372) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L365(lines 338 366) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 313 372) no Hoare annotation was computed. [2020-07-21 12:51:00,112 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-07-21 12:51:00,113 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-07-21 12:51:00,113 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 12:51:00,113 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 12:51:00,113 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 12:51:00,113 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 12:51:00,113 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 12:51:00,114 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 647 669) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,114 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-21 12:51:00,114 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,114 INFO L264 CegarLoopResult]: At program point L659-1(line 659) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,114 INFO L268 CegarLoopResult]: For program point L657(lines 657 664) no Hoare annotation was computed. [2020-07-21 12:51:00,114 INFO L268 CegarLoopResult]: For program point L657-1(lines 657 664) no Hoare annotation was computed. [2020-07-21 12:51:00,114 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-21 12:51:00,114 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,115 INFO L264 CegarLoopResult]: At program point L653(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L264 CegarLoopResult]: At program point L653-1(line 653) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 604 627) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 604 627) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 604 627) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-07-21 12:51:00,115 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-21 12:51:00,116 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point L610(line 610) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2020-07-21 12:51:00,117 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point L751(lines 751 759) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-21 12:51:00,118 INFO L268 CegarLoopResult]: For program point L774-1(line 774) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 211 256) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 211 256) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 211 256) no Hoare annotation was computed. [2020-07-21 12:51:00,119 INFO L268 CegarLoopResult]: For program point L544(lines 544 551) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L268 CegarLoopResult]: For program point L538(lines 538 558) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 524 569) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L268 CegarLoopResult]: For program point L538-1(lines 538 558) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 524 569) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 524 569) no Hoare annotation was computed. [2020-07-21 12:51:00,120 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,120 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 636 646) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 636 646) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 636 646) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 724 734) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 716 723) no Hoare annotation was computed. [2020-07-21 12:51:00,121 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2020-07-21 12:51:00,122 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2020-07-21 12:51:00,122 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 701 707) no Hoare annotation was computed. [2020-07-21 12:51:00,122 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 701 707) the Hoare annotation is: true [2020-07-21 12:51:00,122 INFO L268 CegarLoopResult]: For program point L801(lines 801 805) no Hoare annotation was computed. [2020-07-21 12:51:00,122 INFO L264 CegarLoopResult]: At program point testENTRY(lines 789 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,122 INFO L268 CegarLoopResult]: For program point testFINAL(lines 789 854) no Hoare annotation was computed. [2020-07-21 12:51:00,123 INFO L264 CegarLoopResult]: At program point L847(lines 798 848) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,123 INFO L268 CegarLoopResult]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-07-21 12:51:00,123 INFO L264 CegarLoopResult]: At program point L837-2(lines 829 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,123 INFO L268 CegarLoopResult]: For program point L800(lines 799 846) no Hoare annotation was computed. [2020-07-21 12:51:00,123 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,123 INFO L268 CegarLoopResult]: For program point L829(lines 829 842) no Hoare annotation was computed. [2020-07-21 12:51:00,124 INFO L264 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,124 INFO L268 CegarLoopResult]: For program point L819(lines 819 825) no Hoare annotation was computed. [2020-07-21 12:51:00,124 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 825) no Hoare annotation was computed. [2020-07-21 12:51:00,124 INFO L264 CegarLoopResult]: At program point L844(lines 799 846) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,124 INFO L264 CegarLoopResult]: At program point L811(line 811) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,124 INFO L268 CegarLoopResult]: For program point L809(lines 809 815) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point testEXIT(lines 789 854) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 478 523) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 478 523) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 478 523) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point L492(lines 492 512) no Hoare annotation was computed. [2020-07-21 12:51:00,125 INFO L268 CegarLoopResult]: For program point L492-1(lines 492 512) no Hoare annotation was computed. [2020-07-21 12:51:00,126 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:51:00,126 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-21 12:51:00,126 INFO L268 CegarLoopResult]: For program point L187(lines 187 197) no Hoare annotation was computed. [2020-07-21 12:51:00,126 INFO L271 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: true [2020-07-21 12:51:00,126 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-07-21 12:51:00,126 INFO L268 CegarLoopResult]: For program point L183(lines 183 200) no Hoare annotation was computed. [2020-07-21 12:51:00,127 INFO L268 CegarLoopResult]: For program point L183-1(lines 175 203) no Hoare annotation was computed. [2020-07-21 12:51:00,127 INFO L271 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: true [2020-07-21 12:51:00,127 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-07-21 12:51:00,127 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 175 203) the Hoare annotation is: true [2020-07-21 12:51:00,127 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 175 203) no Hoare annotation was computed. [2020-07-21 12:51:00,127 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-07-21 12:51:00,127 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 167 174) the Hoare annotation is: true [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 167 174) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 167 174) no Hoare annotation was computed. [2020-07-21 12:51:00,128 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 375 477) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L440-1(line 440) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L399(lines 399 403) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L463(lines 463 474) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L426(lines 426 430) no Hoare annotation was computed. [2020-07-21 12:51:00,129 INFO L268 CegarLoopResult]: For program point L424-2(lines 424 444) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 375 477) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L445(lines 423 446) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L404(lines 404 420) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 375 477) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L464(lines 464 471) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L425(lines 424 444) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-21 12:51:00,130 INFO L268 CegarLoopResult]: For program point L456-1(line 456) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point L421(lines 421 462) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 708 715) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 708 715) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 708 715) no Hoare annotation was computed. [2020-07-21 12:51:00,131 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 154 162) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,132 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,133 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,133 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-07-21 12:51:00,133 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-07-21 12:51:00,133 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-07-21 12:51:00,133 INFO L271 CegarLoopResult]: At program point L690(line 690) the Hoare annotation is: true [2020-07-21 12:51:00,133 INFO L271 CegarLoopResult]: At program point L688(lines 688 694) the Hoare annotation is: true [2020-07-21 12:51:00,133 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 677 700) the Hoare annotation is: true [2020-07-21 12:51:00,134 INFO L264 CegarLoopResult]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:51:00,134 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 677 700) no Hoare annotation was computed. [2020-07-21 12:51:00,134 INFO L268 CegarLoopResult]: For program point L681(lines 680 699) no Hoare annotation was computed. [2020-07-21 12:51:00,134 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 677 700) no Hoare annotation was computed. [2020-07-21 12:51:00,134 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 573 602) no Hoare annotation was computed. [2020-07-21 12:51:00,134 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 573 602) the Hoare annotation is: true [2020-07-21 12:51:00,134 INFO L271 CegarLoopResult]: At program point L598(lines 573 602) the Hoare annotation is: true [2020-07-21 12:51:00,135 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-21 12:51:00,135 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-21 12:51:00,135 INFO L271 CegarLoopResult]: At program point L587-1(lines 587 591) the Hoare annotation is: true [2020-07-21 12:51:00,135 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 12:51:00,135 INFO L271 CegarLoopResult]: At program point L583-2(lines 583 597) the Hoare annotation is: true [2020-07-21 12:51:00,135 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-07-21 12:51:00,135 INFO L268 CegarLoopResult]: For program point L579-1(line 579) no Hoare annotation was computed. [2020-07-21 12:51:00,136 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-07-21 12:51:00,136 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-07-21 12:51:00,136 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-07-21 12:51:00,136 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 628 634) no Hoare annotation was computed. [2020-07-21 12:51:00,136 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 628 634) the Hoare annotation is: true [2020-07-21 12:51:00,136 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,136 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 12:51:00,136 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-21 12:51:00,137 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-07-21 12:51:00,137 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2020-07-21 12:51:00,137 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2020-07-21 12:51:00,138 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-07-21 12:51:00,138 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2020-07-21 12:51:00,138 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2020-07-21 12:51:00,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:51:00 BoogieIcfgContainer [2020-07-21 12:51:00,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:51:00,157 INFO L168 Benchmark]: Toolchain (without parser) took 5472.02 ms. Allocated memory was 135.3 MB in the beginning and 255.9 MB in the end (delta: 120.6 MB). Free memory was 98.6 MB in the beginning and 128.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,158 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.99 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 168.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,159 INFO L168 Benchmark]: Boogie Preprocessor took 111.39 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,160 INFO L168 Benchmark]: RCFGBuilder took 1111.50 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 163.7 MB in the beginning and 198.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,161 INFO L168 Benchmark]: TraceAbstraction took 3610.51 ms. Allocated memory was 227.5 MB in the beginning and 255.9 MB in the end (delta: 28.3 MB). Free memory was 197.3 MB in the beginning and 128.5 MB in the end (delta: 68.9 MB). Peak memory consumption was 97.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:51:00,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.99 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 168.4 MB in the end (delta: -70.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.39 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 163.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1111.50 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 163.7 MB in the beginning and 198.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3610.51 ms. Allocated memory was 227.5 MB in the beginning and 255.9 MB in the end (delta: 28.3 MB). Free memory was 197.3 MB in the beginning and 128.5 MB in the end (delta: 68.9 MB). Peak memory consumption was 97.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 798]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= \old(systemActive)) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (splverifierCounter <= 0 && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 91 SDslu, 274 SDs, 0 SdLazy, 48 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 218 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred 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, 44 LocationsWithAnnotation, 120 PreInvPairs, 128 NumberOfFragments, 259 HoareAnnotationTreeSize, 120 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 295 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 23140 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2699 ConjunctsInSsa, 22 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...