/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:43,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:43,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:43,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:43,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:43,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:43,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:43,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:43,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:43,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:43,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:43,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:43,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:43,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:43,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:43,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:43,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:43,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:43,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:43,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:43,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:43,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:43,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:43,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:43,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:43,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:43,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:43,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:43,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:43,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:43,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:43,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:43,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:43,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:43,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:43,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:43,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:43,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:43,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:43,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:43,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:43,322 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 [2020-07-20 16:22:43,336 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:43,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:43,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:43,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:43,338 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:43,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:43,338 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:43,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:43,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:43,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:43,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:43,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:43,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:43,340 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:43,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:43,340 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:43,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:43,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:43,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:43,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:43,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:43,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:43,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:43,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:43,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:43,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:43,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:43,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:43,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:43,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:22:43,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:43,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:43,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:43,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:43,672 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:43,673 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-07-20 16:22:43,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c8643f/0ed995db47d74de5b0ee792a0429cab5/FLAG5273697e1 [2020-07-20 16:22:44,238 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:44,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2020-07-20 16:22:44,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c8643f/0ed995db47d74de5b0ee792a0429cab5/FLAG5273697e1 [2020-07-20 16:22:44,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0c8643f/0ed995db47d74de5b0ee792a0429cab5 [2020-07-20 16:22:44,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:44,607 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:44,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:44,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:44,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:44,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:44" (1/1) ... [2020-07-20 16:22:44,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55484ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:44, skipping insertion in model container [2020-07-20 16:22:44,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:44" (1/1) ... [2020-07-20 16:22:44,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:44,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:44,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:45,084 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:45,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:45,283 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:45,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45 WrapperNode [2020-07-20 16:22:45,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:45,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:45,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:45,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:45,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (1/1) ... [2020-07-20 16:22:45,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:45,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:45,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:45,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:45,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (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 [2020-07-20 16:22:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:45,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:45,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:45,439 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:22:46,437 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:22:46,438 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:22:46,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:46 BoogieIcfgContainer [2020-07-20 16:22:46,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:22:46,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:22:46,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:22:46,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:22:46,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:44" (1/3) ... [2020-07-20 16:22:46,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c743551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:46, skipping insertion in model container [2020-07-20 16:22:46,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:45" (2/3) ... [2020-07-20 16:22:46,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c743551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:46, skipping insertion in model container [2020-07-20 16:22:46,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:46" (3/3) ... [2020-07-20 16:22:46,470 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-07-20 16:22:46,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:22:46,490 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:22:46,506 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:22:46,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:22:46,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:22:46,532 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:22:46,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:22:46,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:22:46,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:22:46,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:22:46,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:22:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2020-07-20 16:22:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:22:46,567 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:46,568 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] [2020-07-20 16:22:46,569 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:46,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1206360335, now seen corresponding path program 1 times [2020-07-20 16:22:46,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:46,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203403623] [2020-07-20 16:22:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:22:47,026 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:47,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:47,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:22:47,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:47,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:47,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203403623] [2020-07-20 16:22:47,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:47,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:22:47,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11847274] [2020-07-20 16:22:47,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:22:47,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:47,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:22:47,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:47,102 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2020-07-20 16:22:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:47,140 INFO L93 Difference]: Finished difference Result 168 states and 213 transitions. [2020-07-20 16:22:47,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:22:47,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:22:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:47,154 INFO L225 Difference]: With dead ends: 168 [2020-07-20 16:22:47,155 INFO L226 Difference]: Without dead ends: 86 [2020-07-20 16:22:47,159 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 [2020-07-20 16:22:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-20 16:22:47,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-07-20 16:22:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-20 16:22:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-07-20 16:22:47,222 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2020-07-20 16:22:47,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:47,223 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-07-20 16:22:47,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:22:47,224 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-07-20 16:22:47,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:22:47,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:47,228 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] [2020-07-20 16:22:47,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:47,441 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:47,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:47,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1457835642, now seen corresponding path program 1 times [2020-07-20 16:22:47,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:47,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1276843644] [2020-07-20 16:22:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:22:47,856 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:47,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:47,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:47,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:47,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:47,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1276843644] [2020-07-20 16:22:47,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:47,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:47,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337175644] [2020-07-20 16:22:47,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:47,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:47,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:47,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:47,929 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 3 states. [2020-07-20 16:22:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:47,960 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2020-07-20 16:22:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:47,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:22:47,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:47,967 INFO L225 Difference]: With dead ends: 117 [2020-07-20 16:22:47,967 INFO L226 Difference]: Without dead ends: 77 [2020-07-20 16:22:47,969 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 [2020-07-20 16:22:47,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-20 16:22:47,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-20 16:22:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-20 16:22:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-07-20 16:22:47,992 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2020-07-20 16:22:47,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:47,992 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-07-20 16:22:47,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:47,992 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-07-20 16:22:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:22:47,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:47,995 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] [2020-07-20 16:22:48,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:48,212 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:48,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:48,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1158960605, now seen corresponding path program 1 times [2020-07-20 16:22:48,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:48,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634305231] [2020-07-20 16:22:48,213 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:22:48,584 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:48,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:48,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:48,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:48,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:48,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634305231] [2020-07-20 16:22:48,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:48,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:48,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963770839] [2020-07-20 16:22:48,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:48,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:48,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:48,611 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 3 states. [2020-07-20 16:22:48,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:48,621 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2020-07-20 16:22:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:48,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:22:48,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:48,623 INFO L225 Difference]: With dead ends: 126 [2020-07-20 16:22:48,623 INFO L226 Difference]: Without dead ends: 77 [2020-07-20 16:22:48,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-07-20 16:22:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-07-20 16:22:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-20 16:22:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2020-07-20 16:22:48,632 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2020-07-20 16:22:48,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:48,633 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2020-07-20 16:22:48,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2020-07-20 16:22:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:22:48,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:48,635 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] [2020-07-20 16:22:48,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:48,848 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:48,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1004673798, now seen corresponding path program 1 times [2020-07-20 16:22:48,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:48,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43312704] [2020-07-20 16:22:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:22:49,214 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:49,215 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:49,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:49,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:49,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:49,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43312704] [2020-07-20 16:22:49,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:49,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:49,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943852013] [2020-07-20 16:22:49,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:49,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:49,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:49,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:49,307 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 6 states. [2020-07-20 16:22:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:49,487 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2020-07-20 16:22:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:49,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 16:22:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:49,488 INFO L225 Difference]: With dead ends: 120 [2020-07-20 16:22:49,489 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:22:49,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:49,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:22:49,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:22:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:22:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:22:49,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 16:22:49,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:49,491 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:22:49,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:22:49,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:22:49,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:49,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:22:50,135 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-20 16:22:50,136 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 498) no Hoare annotation was computed. [2020-07-20 16:22:50,136 INFO L268 CegarLoopResult]: For program point L499(lines 476 500) no Hoare annotation was computed. [2020-07-20 16:22:50,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 452 507) no Hoare annotation was computed. [2020-07-20 16:22:50,136 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 452 507) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 452 507) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 487) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point L540(lines 540 544) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point L540-1(lines 540 544) no Hoare annotation was computed. [2020-07-20 16:22:50,137 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 508 567) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 559) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point L560(lines 533 561) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 508 567) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 508 567) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-20 16:22:50,138 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 245 251) the Hoare annotation is: true [2020-07-20 16:22:50,139 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 245 251) no Hoare annotation was computed. [2020-07-20 16:22:50,139 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 252 260) no Hoare annotation was computed. [2020-07-20 16:22:50,139 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 252 260) the Hoare annotation is: true [2020-07-20 16:22:50,139 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 252 260) no Hoare annotation was computed. [2020-07-20 16:22:50,139 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 336 358) the Hoare annotation is: true [2020-07-20 16:22:50,139 INFO L271 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: true [2020-07-20 16:22:50,140 INFO L271 CegarLoopResult]: At program point L348-1(line 348) the Hoare annotation is: true [2020-07-20 16:22:50,140 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-20 16:22:50,140 INFO L268 CegarLoopResult]: For program point L346-1(lines 346 353) no Hoare annotation was computed. [2020-07-20 16:22:50,140 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 336 358) no Hoare annotation was computed. [2020-07-20 16:22:50,140 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-07-20 16:22:50,140 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-20 16:22:50,140 INFO L271 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: true [2020-07-20 16:22:50,141 INFO L271 CegarLoopResult]: At program point L342-1(line 342) the Hoare annotation is: true [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 336 358) no Hoare annotation was computed. [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 293 316) no Hoare annotation was computed. [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 293 316) no Hoare annotation was computed. [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 293 316) no Hoare annotation was computed. [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-20 16:22:50,141 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L309(line 309) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L307(line 307) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-07-20 16:22:50,142 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point L302(line 302) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 110 118) no Hoare annotation was computed. [2020-07-20 16:22:50,143 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 110 118) the Hoare annotation is: true [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 110 118) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 119 154) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L138(lines 138 146) no Hoare annotation was computed. [2020-07-20 16:22:50,144 INFO L268 CegarLoopResult]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2020-07-20 16:22:50,145 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 119 154) no Hoare annotation was computed. [2020-07-20 16:22:50,145 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 119 154) no Hoare annotation was computed. [2020-07-20 16:22:50,145 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 238 244) no Hoare annotation was computed. [2020-07-20 16:22:50,145 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 238 244) the Hoare annotation is: true [2020-07-20 16:22:50,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:22:50,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point L733(lines 733 753) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 753) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 719 764) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 719 764) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 719 764) no Hoare annotation was computed. [2020-07-20 16:22:50,146 INFO L268 CegarLoopResult]: For program point L739(lines 739 746) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L271 CegarLoopResult]: At program point runTestENTRY(lines 325 335) the Hoare annotation is: true [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 325 335) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L271 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: true [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 325 335) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 99 109) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 99 109) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-07-20 16:22:50,147 INFO L268 CegarLoopResult]: For program point L104-1(line 104) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 99 109) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 91 98) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 91 98) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 91 98) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 76 82) no Hoare annotation was computed. [2020-07-20 16:22:50,148 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 76 82) the Hoare annotation is: true [2020-07-20 16:22:50,148 INFO L271 CegarLoopResult]: At program point testENTRY(lines 159 222) the Hoare annotation is: true [2020-07-20 16:22:50,149 INFO L264 CegarLoopResult]: At program point L215(lines 168 216) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:50,149 INFO L268 CegarLoopResult]: For program point testFINAL(lines 159 222) no Hoare annotation was computed. [2020-07-20 16:22:50,149 INFO L268 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-07-20 16:22:50,149 INFO L264 CegarLoopResult]: At program point L205-2(lines 199 210) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 16:22:50,149 INFO L268 CegarLoopResult]: For program point L170(lines 169 214) no Hoare annotation was computed. [2020-07-20 16:22:50,150 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-07-20 16:22:50,150 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 16:22:50,150 INFO L268 CegarLoopResult]: For program point L189(lines 189 195) no Hoare annotation was computed. [2020-07-20 16:22:50,150 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 195) no Hoare annotation was computed. [2020-07-20 16:22:50,150 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 16:22:50,150 INFO L264 CegarLoopResult]: At program point L212(lines 169 214) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (<= test_~splverifierCounter~0 0)) [2020-07-20 16:22:50,150 INFO L268 CegarLoopResult]: For program point L179(lines 179 185) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point L179-1(lines 179 185) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point L171(lines 171 175) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point testEXIT(lines 159 222) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 673 718) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point L693(lines 693 700) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 673 718) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 673 718) no Hoare annotation was computed. [2020-07-20 16:22:50,151 INFO L268 CegarLoopResult]: For program point L687(lines 687 707) no Hoare annotation was computed. [2020-07-20 16:22:50,152 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 707) no Hoare annotation was computed. [2020-07-20 16:22:50,152 INFO L264 CegarLoopResult]: At program point L385(line 385) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:50,152 INFO L268 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-07-20 16:22:50,152 INFO L268 CegarLoopResult]: For program point L382(lines 382 392) no Hoare annotation was computed. [2020-07-20 16:22:50,152 INFO L271 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: true [2020-07-20 16:22:50,152 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-07-20 16:22:50,152 INFO L268 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2020-07-20 16:22:50,153 INFO L268 CegarLoopResult]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2020-07-20 16:22:50,153 INFO L271 CegarLoopResult]: At program point L376(line 376) the Hoare annotation is: true [2020-07-20 16:22:50,153 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-20 16:22:50,153 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: true [2020-07-20 16:22:50,153 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2020-07-20 16:22:50,153 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point L822(lines 822 830) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 814 836) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 814 836) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: true [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2020-07-20 16:22:50,154 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 228 237) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 228 237) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 228 237) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point L640(lines 618 641) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 570 672) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point L599(lines 599 615) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point L659(lines 659 666) no Hoare annotation was computed. [2020-07-20 16:22:50,155 INFO L268 CegarLoopResult]: For program point L620(lines 619 639) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L651-1(line 651) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L616(lines 616 657) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 570 672) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L594(lines 594 598) no Hoare annotation was computed. [2020-07-20 16:22:50,156 INFO L268 CegarLoopResult]: For program point L658(lines 658 669) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 570 672) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point L621(lines 621 625) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point L619-2(lines 619 639) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 83 90) no Hoare annotation was computed. [2020-07-20 16:22:50,157 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 83 90) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 83 90) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 837 845) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 837 845) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-20 16:22:50,158 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 793 804) the Hoare annotation is: true [2020-07-20 16:22:50,158 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 805 813) the Hoare annotation is: true [2020-07-20 16:22:50,159 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 805 813) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2020-07-20 16:22:50,159 INFO L271 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: true [2020-07-20 16:22:50,160 INFO L271 CegarLoopResult]: At program point L63(lines 63 69) the Hoare annotation is: true [2020-07-20 16:22:50,160 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:22:50,160 INFO L268 CegarLoopResult]: For program point L56(lines 55 74) no Hoare annotation was computed. [2020-07-20 16:22:50,160 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 52 75) the Hoare annotation is: true [2020-07-20 16:22:50,160 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 52 75) no Hoare annotation was computed. [2020-07-20 16:22:50,160 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 52 75) no Hoare annotation was computed. [2020-07-20 16:22:50,160 INFO L271 CegarLoopResult]: At program point L288(lines 263 292) the Hoare annotation is: true [2020-07-20 16:22:50,161 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 263 292) no Hoare annotation was computed. [2020-07-20 16:22:50,161 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 263 292) the Hoare annotation is: true [2020-07-20 16:22:50,161 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 16:22:50,161 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-07-20 16:22:50,161 INFO L271 CegarLoopResult]: At program point L277-1(lines 277 281) the Hoare annotation is: true [2020-07-20 16:22:50,161 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-20 16:22:50,161 INFO L271 CegarLoopResult]: At program point L273-2(lines 273 287) the Hoare annotation is: true [2020-07-20 16:22:50,161 INFO L271 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: true [2020-07-20 16:22:50,162 INFO L268 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-07-20 16:22:50,162 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 769 780) the Hoare annotation is: true [2020-07-20 16:22:50,162 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2020-07-20 16:22:50,162 INFO L268 CegarLoopResult]: For program point L773-1(lines 769 780) no Hoare annotation was computed. [2020-07-20 16:22:50,162 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 317 323) no Hoare annotation was computed. [2020-07-20 16:22:50,162 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 317 323) the Hoare annotation is: true [2020-07-20 16:22:50,162 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,162 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:22:50,163 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:50,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:50,163 INFO L268 CegarLoopResult]: For program point L785-1(lines 781 792) no Hoare annotation was computed. [2020-07-20 16:22:50,163 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2020-07-20 16:22:50,163 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 781 792) the Hoare annotation is: true [2020-07-20 16:22:50,163 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 847 854) no Hoare annotation was computed. [2020-07-20 16:22:50,164 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 851) no Hoare annotation was computed. [2020-07-20 16:22:50,164 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 847 854) the Hoare annotation is: true [2020-07-20 16:22:50,164 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 847 854) no Hoare annotation was computed. [2020-07-20 16:22:50,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:50 BoogieIcfgContainer [2020-07-20 16:22:50,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:22:50,182 INFO L168 Benchmark]: Toolchain (without parser) took 5575.76 ms. Allocated memory was 136.8 MB in the beginning and 252.2 MB in the end (delta: 115.3 MB). Free memory was 100.6 MB in the beginning and 143.7 MB in the end (delta: -43.0 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:50,183 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 16:22:50,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.69 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 171.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:50,184 INFO L168 Benchmark]: Boogie Preprocessor took 79.07 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 168.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:50,185 INFO L168 Benchmark]: RCFGBuilder took 1079.27 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 85.4 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:50,187 INFO L168 Benchmark]: TraceAbstraction took 3717.34 ms. Allocated memory was 231.2 MB in the beginning and 252.2 MB in the end (delta: 21.0 MB). Free memory was 202.6 MB in the beginning and 143.7 MB in the end (delta: 58.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:50,191 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 136.8 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.69 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 100.2 MB in the beginning and 171.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.07 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 168.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1079.27 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 85.4 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3717.34 ms. Allocated memory was 231.2 MB in the beginning and 252.2 MB in the end (delta: 21.0 MB). Free memory was 202.6 MB in the beginning and 143.7 MB in the end (delta: 58.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 851]: 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: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= systemActive) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == pumpRunning)) || splverifierCounter <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 86 SDslu, 260 SDs, 0 SdLazy, 46 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 42 LocationsWithAnnotation, 115 PreInvPairs, 122 NumberOfFragments, 116 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 42 FomulaSimplificationsInter, 403 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 218 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 214 ConstructedInterpolants, 0 QuantifiedInterpolants, 22492 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2589 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...