/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:45,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:45,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:45,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:45,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:45,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:45,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:45,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:45,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:45,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:45,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:45,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:45,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:45,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:45,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:45,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:45,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:45,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:45,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:45,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:45,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:45,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:45,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:45,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:45,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:45,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:45,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:45,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:45,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:45,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:45,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:45,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:45,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:45,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:45,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:45,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:45,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:45,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:45,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:45,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:45,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:45,288 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 13:01:45,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:45,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:45,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:45,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:45,304 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:45,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:45,304 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:45,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:45,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:45,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:45,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:45,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:45,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:45,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:45,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:45,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:45,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:45,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:45,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:45,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:45,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:45,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:45,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:45,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:45,309 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 -> 4 [2020-07-20 13:01:45,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:45,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:45,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:45,624 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:45,624 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:45,625 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-20 13:01:45,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9593b0865/e59436a9fdef466e95b40f4783492df6/FLAG7c66205be [2020-07-20 13:01:46,218 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:01:46,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product37.cil.c [2020-07-20 13:01:46,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9593b0865/e59436a9fdef466e95b40f4783492df6/FLAG7c66205be [2020-07-20 13:01:46,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9593b0865/e59436a9fdef466e95b40f4783492df6 [2020-07-20 13:01:46,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:01:46,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:01:46,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:46,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:01:46,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:01:46,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:46" (1/1) ... [2020-07-20 13:01:46,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fb56e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:46, skipping insertion in model container [2020-07-20 13:01:46,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:01:46" (1/1) ... [2020-07-20 13:01:46,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:01:46,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:01:47,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:47,149 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:01:47,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:01:47,261 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:01:47,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47 WrapperNode [2020-07-20 13:01:47,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:01:47,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:01:47,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:01:47,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:01:47,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (1/1) ... [2020-07-20 13:01:47,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:01:47,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:01:47,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:01:47,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:01:47,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (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 13:01:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:01:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:01:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:01:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:01:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:01:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:01:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:01:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:01:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:01:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:01:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:01:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:01:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:01:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:01:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:01:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:01:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:01:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:01:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:01:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:01:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:01:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:01:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:01:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:01:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:01:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:01:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:01:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:01:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:01:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:01:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:01:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:01:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:01:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:01:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:01:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:01:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:01:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:01:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:01:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:01:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:01:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:01:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:01:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:01:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:01:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:01:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:01:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:01:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:01:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:01:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:01:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:01:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:01:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:01:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:01:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:01:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:01:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:01:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:01:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:01:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:01:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:01:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:01:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:01:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:01:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:01:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:01:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:01:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:01:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:01:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:01:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:01:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:01:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:48,512 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:48,512 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:48,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:48 BoogieIcfgContainer [2020-07-20 13:01:48,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:48,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:48,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:48,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:48,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:01:46" (1/3) ... [2020-07-20 13:01:48,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f8b481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:48, skipping insertion in model container [2020-07-20 13:01:48,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:01:47" (2/3) ... [2020-07-20 13:01:48,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f8b481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:48, skipping insertion in model container [2020-07-20 13:01:48,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:48" (3/3) ... [2020-07-20 13:01:48,526 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2020-07-20 13:01:48,537 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:48,545 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:48,560 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:48,586 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:48,586 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:48,587 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:48,587 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:48,587 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:48,587 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:48,587 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:48,588 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-20 13:01:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:48,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:48,622 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 13:01:48,622 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:48,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:48,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1991715745, now seen corresponding path program 1 times [2020-07-20 13:01:48,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:48,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53066521] [2020-07-20 13:01:48,640 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 13:01:49,091 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:49,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:49,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:49,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:49,163 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 13:01:49,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:49,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53066521] [2020-07-20 13:01:49,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:49,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:49,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339355408] [2020-07-20 13:01:49,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:49,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:49,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:49,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:49,200 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2020-07-20 13:01:49,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:49,287 INFO L93 Difference]: Finished difference Result 252 states and 315 transitions. [2020-07-20 13:01:49,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:49,297 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:01:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:49,315 INFO L225 Difference]: With dead ends: 252 [2020-07-20 13:01:49,315 INFO L226 Difference]: Without dead ends: 128 [2020-07-20 13:01:49,323 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 13:01:49,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-20 13:01:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-20 13:01:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 13:01:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-07-20 13:01:49,418 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-07-20 13:01:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:49,423 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-07-20 13:01:49,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-07-20 13:01:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:01:49,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:49,428 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 13:01:49,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:49,642 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:49,643 INFO L82 PathProgramCache]: Analyzing trace with hash -392602955, now seen corresponding path program 1 times [2020-07-20 13:01:49,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:49,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701286219] [2020-07-20 13:01:49,645 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 13:01:50,149 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:50,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:50,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:50,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,195 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 13:01:50,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701286219] [2020-07-20 13:01:50,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:50,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559241687] [2020-07-20 13:01:50,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:50,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:50,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,199 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2020-07-20 13:01:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:50,219 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2020-07-20 13:01:50,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:50,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:01:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:50,222 INFO L225 Difference]: With dead ends: 201 [2020-07-20 13:01:50,222 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 13:01:50,224 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 13:01:50,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 13:01:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 13:01:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 13:01:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-20 13:01:50,239 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-07-20 13:01:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:50,239 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-20 13:01:50,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-20 13:01:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 13:01:50,242 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:50,242 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 13:01:50,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:50,458 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:50,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:50,458 INFO L82 PathProgramCache]: Analyzing trace with hash -368031557, now seen corresponding path program 1 times [2020-07-20 13:01:50,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:50,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614849524] [2020-07-20 13:01:50,459 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 13:01:50,844 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:50,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:50,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:50,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:50,874 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 13:01:50,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:50,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614849524] [2020-07-20 13:01:50,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:50,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:50,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20564234] [2020-07-20 13:01:50,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:50,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:50,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:50,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:50,877 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2020-07-20 13:01:50,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:50,897 INFO L93 Difference]: Finished difference Result 210 states and 251 transitions. [2020-07-20 13:01:50,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:50,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 13:01:50,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:50,899 INFO L225 Difference]: With dead ends: 210 [2020-07-20 13:01:50,899 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 13:01:50,901 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 13:01:50,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 13:01:50,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 13:01:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 13:01:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-07-20 13:01:50,913 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 56 [2020-07-20 13:01:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:50,913 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-07-20 13:01:50,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:50,914 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-07-20 13:01:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-20 13:01:50,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:50,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:51,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:51,131 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:51,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:51,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1230357120, now seen corresponding path program 1 times [2020-07-20 13:01:51,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:51,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736059740] [2020-07-20 13:01:51,133 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 13:01:51,513 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:51,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:51,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:01:51,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:51,563 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 13:01:51,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:51,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736059740] [2020-07-20 13:01:51,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:51,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:51,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148699029] [2020-07-20 13:01:51,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:51,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:51,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:51,566 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 6 states. [2020-07-20 13:01:52,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:52,195 INFO L93 Difference]: Finished difference Result 287 states and 351 transitions. [2020-07-20 13:01:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:52,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-20 13:01:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:52,199 INFO L225 Difference]: With dead ends: 287 [2020-07-20 13:01:52,199 INFO L226 Difference]: Without dead ends: 196 [2020-07-20 13:01:52,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:01:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-20 13:01:52,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 181. [2020-07-20 13:01:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-07-20 13:01:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 206 transitions. [2020-07-20 13:01:52,225 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 206 transitions. Word has length 69 [2020-07-20 13:01:52,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:52,226 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 206 transitions. [2020-07-20 13:01:52,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 206 transitions. [2020-07-20 13:01:52,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-20 13:01:52,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:52,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:52,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:52,443 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:52,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:52,444 INFO L82 PathProgramCache]: Analyzing trace with hash 810215565, now seen corresponding path program 1 times [2020-07-20 13:01:52,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:52,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759926659] [2020-07-20 13:01:52,445 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:52,791 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:52,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:52,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:52,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:52,833 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 13:01:52,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:52,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759926659] [2020-07-20 13:01:52,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:52,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:52,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759776239] [2020-07-20 13:01:52,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:52,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:52,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:52,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:52,836 INFO L87 Difference]: Start difference. First operand 181 states and 206 transitions. Second operand 6 states. [2020-07-20 13:01:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:53,049 INFO L93 Difference]: Finished difference Result 337 states and 392 transitions. [2020-07-20 13:01:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:53,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-07-20 13:01:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:53,055 INFO L225 Difference]: With dead ends: 337 [2020-07-20 13:01:53,056 INFO L226 Difference]: Without dead ends: 184 [2020-07-20 13:01:53,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 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 13:01:53,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-07-20 13:01:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2020-07-20 13:01:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-20 13:01:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 203 transitions. [2020-07-20 13:01:53,104 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 203 transitions. Word has length 83 [2020-07-20 13:01:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:53,104 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 203 transitions. [2020-07-20 13:01:53,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2020-07-20 13:01:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:01:53,114 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:53,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:53,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,330 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:53,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:53,331 INFO L82 PathProgramCache]: Analyzing trace with hash 912009969, now seen corresponding path program 1 times [2020-07-20 13:01:53,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:53,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788543158] [2020-07-20 13:01:53,333 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:53,671 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:53,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:53,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:53,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:53,713 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 13:01:53,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:53,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788543158] [2020-07-20 13:01:53,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:53,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:53,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325631849] [2020-07-20 13:01:53,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:53,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:53,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:53,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:53,718 INFO L87 Difference]: Start difference. First operand 180 states and 203 transitions. Second operand 6 states. [2020-07-20 13:01:53,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:53,768 INFO L93 Difference]: Finished difference Result 337 states and 387 transitions. [2020-07-20 13:01:53,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:53,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 13:01:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:53,776 INFO L225 Difference]: With dead ends: 337 [2020-07-20 13:01:53,777 INFO L226 Difference]: Without dead ends: 185 [2020-07-20 13:01:53,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:01:53,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-07-20 13:01:53,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-07-20 13:01:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-07-20 13:01:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 208 transitions. [2020-07-20 13:01:53,812 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 208 transitions. Word has length 84 [2020-07-20 13:01:53,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:53,813 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 208 transitions. [2020-07-20 13:01:53,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:53,813 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 208 transitions. [2020-07-20 13:01:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:01:53,815 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:53,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:54,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:54,029 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:54,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:54,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1613609843, now seen corresponding path program 1 times [2020-07-20 13:01:54,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:54,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1215351808] [2020-07-20 13:01:54,032 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:54,506 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:54,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:01:54,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:54,542 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 13:01:54,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:54,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1215351808] [2020-07-20 13:01:54,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:54,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:01:54,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693933021] [2020-07-20 13:01:54,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:01:54,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:54,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:01:54,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:54,545 INFO L87 Difference]: Start difference. First operand 185 states and 208 transitions. Second operand 5 states. [2020-07-20 13:01:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:54,567 INFO L93 Difference]: Finished difference Result 349 states and 403 transitions. [2020-07-20 13:01:54,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:01:54,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-07-20 13:01:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:54,569 INFO L225 Difference]: With dead ends: 349 [2020-07-20 13:01:54,569 INFO L226 Difference]: Without dead ends: 192 [2020-07-20 13:01:54,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:54,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-20 13:01:54,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 189. [2020-07-20 13:01:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-20 13:01:54,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 212 transitions. [2020-07-20 13:01:54,596 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 212 transitions. Word has length 84 [2020-07-20 13:01:54,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:54,597 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 212 transitions. [2020-07-20 13:01:54,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:01:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 212 transitions. [2020-07-20 13:01:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 13:01:54,598 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:54,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:54,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:54,799 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:54,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:54,800 INFO L82 PathProgramCache]: Analyzing trace with hash -955876556, now seen corresponding path program 1 times [2020-07-20 13:01:54,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:54,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407456874] [2020-07-20 13:01:54,801 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:55,155 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:55,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:55,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:01:55,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:55,193 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 13:01:55,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:55,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407456874] [2020-07-20 13:01:55,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:55,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:55,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516738673] [2020-07-20 13:01:55,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:55,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:55,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:55,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:55,195 INFO L87 Difference]: Start difference. First operand 189 states and 212 transitions. Second operand 3 states. [2020-07-20 13:01:55,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:55,244 INFO L93 Difference]: Finished difference Result 483 states and 570 transitions. [2020-07-20 13:01:55,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:55,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-07-20 13:01:55,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:55,249 INFO L225 Difference]: With dead ends: 483 [2020-07-20 13:01:55,250 INFO L226 Difference]: Without dead ends: 322 [2020-07-20 13:01:55,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 1 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 13:01:55,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-20 13:01:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2020-07-20 13:01:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-20 13:01:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 370 transitions. [2020-07-20 13:01:55,287 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 370 transitions. Word has length 84 [2020-07-20 13:01:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:55,287 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 370 transitions. [2020-07-20 13:01:55,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 370 transitions. [2020-07-20 13:01:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 13:01:55,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:55,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:55,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:55,504 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:55,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:55,505 INFO L82 PathProgramCache]: Analyzing trace with hash 188780814, now seen corresponding path program 1 times [2020-07-20 13:01:55,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:55,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284594352] [2020-07-20 13:01:55,506 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:55,863 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:55,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:55,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:01:55,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:55,930 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 13:01:55,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:55,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284594352] [2020-07-20 13:01:55,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:55,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:55,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437238204] [2020-07-20 13:01:55,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:55,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:55,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:55,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:55,933 INFO L87 Difference]: Start difference. First operand 319 states and 370 transitions. Second operand 6 states. [2020-07-20 13:01:56,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:56,134 INFO L93 Difference]: Finished difference Result 880 states and 1058 transitions. [2020-07-20 13:01:56,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:56,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-20 13:01:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:56,139 INFO L225 Difference]: With dead ends: 880 [2020-07-20 13:01:56,139 INFO L226 Difference]: Without dead ends: 589 [2020-07-20 13:01:56,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 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 13:01:56,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-07-20 13:01:56,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 581. [2020-07-20 13:01:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-07-20 13:01:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 676 transitions. [2020-07-20 13:01:56,182 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 676 transitions. Word has length 88 [2020-07-20 13:01:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:56,183 INFO L479 AbstractCegarLoop]: Abstraction has 581 states and 676 transitions. [2020-07-20 13:01:56,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 676 transitions. [2020-07-20 13:01:56,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:01:56,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:56,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:56,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:56,396 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:56,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:56,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1708334166, now seen corresponding path program 1 times [2020-07-20 13:01:56,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:56,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483494331] [2020-07-20 13:01:56,398 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:56,690 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:56,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:56,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 13:01:56,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:56,713 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 13:01:56,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:56,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483494331] [2020-07-20 13:01:56,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:56,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:56,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159633658] [2020-07-20 13:01:56,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:56,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:56,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:56,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:56,715 INFO L87 Difference]: Start difference. First operand 581 states and 676 transitions. Second operand 3 states. [2020-07-20 13:01:56,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:56,780 INFO L93 Difference]: Finished difference Result 862 states and 1021 transitions. [2020-07-20 13:01:56,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:56,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-07-20 13:01:56,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:56,788 INFO L225 Difference]: With dead ends: 862 [2020-07-20 13:01:56,788 INFO L226 Difference]: Without dead ends: 859 [2020-07-20 13:01:56,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 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 13:01:56,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2020-07-20 13:01:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 725. [2020-07-20 13:01:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-07-20 13:01:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 858 transitions. [2020-07-20 13:01:56,846 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 858 transitions. Word has length 92 [2020-07-20 13:01:56,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:56,846 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 858 transitions. [2020-07-20 13:01:56,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:56,847 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 858 transitions. [2020-07-20 13:01:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 13:01:56,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:56,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:01:57,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,066 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:57,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:57,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1546611492, now seen corresponding path program 1 times [2020-07-20 13:01:57,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:57,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997357200] [2020-07-20 13:01:57,067 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:57,490 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:57,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:57,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:01:57,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 13:01:57,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:57,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997357200] [2020-07-20 13:01:57,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:57,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:01:57,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991634337] [2020-07-20 13:01:57,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:01:57,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:57,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:01:57,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:57,585 INFO L87 Difference]: Start difference. First operand 725 states and 858 transitions. Second operand 8 states. [2020-07-20 13:01:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:58,123 INFO L93 Difference]: Finished difference Result 1295 states and 1538 transitions. [2020-07-20 13:01:58,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:01:58,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-07-20 13:01:58,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:58,125 INFO L225 Difference]: With dead ends: 1295 [2020-07-20 13:01:58,126 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:01:58,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:01:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:01:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:01:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:01:58,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2020-07-20 13:01:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:58,131 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:01:58,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:01:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:01:58,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:01:58,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:58,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:01:59,319 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2020-07-20 13:01:59,785 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-07-20 13:02:00,002 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-07-20 13:02:00,488 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 13:02:00,678 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-20 13:02:00,781 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-20 13:02:01,042 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-07-20 13:02:01,325 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-20 13:02:01,664 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 13:02:02,295 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-07-20 13:02:02,633 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-07-20 13:02:02,930 INFO L268 CegarLoopResult]: For program point L539(lines 516 540) no Hoare annotation was computed. [2020-07-20 13:02:02,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-20 13:02:02,931 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point L600(lines 573 601) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-07-20 13:02:02,932 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-07-20 13:02:02,933 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 924 930) the Hoare annotation is: true [2020-07-20 13:02:02,933 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 924 930) no Hoare annotation was computed. [2020-07-20 13:02:02,933 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 931 939) no Hoare annotation was computed. [2020-07-20 13:02:02,933 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 931 939) the Hoare annotation is: true [2020-07-20 13:02:02,933 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 931 939) no Hoare annotation was computed. [2020-07-20 13:02:02,933 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,934 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 882 904) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,934 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,934 INFO L268 CegarLoopResult]: For program point L892(lines 892 899) no Hoare annotation was computed. [2020-07-20 13:02:02,934 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 899) no Hoare annotation was computed. [2020-07-20 13:02:02,934 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-20 13:02:02,934 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,934 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 882 904) no Hoare annotation was computed. [2020-07-20 13:02:02,935 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,935 INFO L264 CegarLoopResult]: At program point L888-1(line 888) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,935 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 882 904) no Hoare annotation was computed. [2020-07-20 13:02:02,935 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-07-20 13:02:02,935 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-07-20 13:02:02,935 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-20 13:02:02,936 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 163 171) no Hoare annotation was computed. [2020-07-20 13:02:02,937 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 163 171) the Hoare annotation is: true [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 163 171) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L179-2(lines 179 187) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 172 207) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 13:02:02,938 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 172 207) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 172 207) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 917 923) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 917 923) the Hoare annotation is: true [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-20 13:02:02,939 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-20 13:02:02,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-20 13:02:02,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-20 13:02:02,940 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-20 13:02:02,940 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-20 13:02:02,940 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 868 878) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,940 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 868 878) no Hoare annotation was computed. [2020-07-20 13:02:02,941 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,941 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 868 878) no Hoare annotation was computed. [2020-07-20 13:02:02,941 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 152 162) the Hoare annotation is: true [2020-07-20 13:02:02,941 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-20 13:02:02,941 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 13:02:02,941 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 152 162) no Hoare annotation was computed. [2020-07-20 13:02:02,941 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 152 162) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 144 151) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 144 151) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 416 429) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 416 429) the Hoare annotation is: true [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 416 429) no Hoare annotation was computed. [2020-07-20 13:02:02,942 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-07-20 13:02:02,943 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-20 13:02:02,943 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~1) .cse5))))) [2020-07-20 13:02:02,943 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-07-20 13:02:02,943 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-07-20 13:02:02,943 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2020-07-20 13:02:02,943 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-07-20 13:02:02,944 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-20 13:02:02,944 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-07-20 13:02:02,944 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-20 13:02:02,944 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-07-20 13:02:02,944 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-07-20 13:02:02,944 INFO L264 CegarLoopResult]: At program point testENTRY(lines 231 294) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) [2020-07-20 13:02:02,945 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:02:02,945 INFO L268 CegarLoopResult]: For program point testFINAL(lines 231 294) no Hoare annotation was computed. [2020-07-20 13:02:02,945 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-07-20 13:02:02,945 INFO L264 CegarLoopResult]: At program point L277-2(lines 271 282) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (and .cse4 .cse3 .cse2))) [2020-07-20 13:02:02,945 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-07-20 13:02:02,945 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-07-20 13:02:02,946 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1) (and .cse2 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 13:02:02,946 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-20 13:02:02,946 INFO L268 CegarLoopResult]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2020-07-20 13:02:02,946 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1) (and .cse2 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 13:02:02,946 INFO L264 CegarLoopResult]: At program point L284(lines 241 286) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1) (and .cse2 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 13:02:02,946 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-07-20 13:02:02,946 INFO L268 CegarLoopResult]: For program point L251-1(lines 251 257) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point testEXIT(lines 231 294) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point L733(lines 733 740) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point L727(lines 727 747) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2020-07-20 13:02:02,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2020-07-20 13:02:02,948 INFO L264 CegarLoopResult]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 13:02:02,948 INFO L268 CegarLoopResult]: For program point L319(lines 319 325) no Hoare annotation was computed. [2020-07-20 13:02:02,948 INFO L268 CegarLoopResult]: For program point L318(lines 318 328) no Hoare annotation was computed. [2020-07-20 13:02:02,948 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:02:02,949 INFO L268 CegarLoopResult]: For program point L316-1(line 316) no Hoare annotation was computed. [2020-07-20 13:02:02,949 INFO L268 CegarLoopResult]: For program point L314(lines 314 331) no Hoare annotation was computed. [2020-07-20 13:02:02,950 INFO L268 CegarLoopResult]: For program point L314-1(lines 306 334) no Hoare annotation was computed. [2020-07-20 13:02:02,950 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:02,950 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-20 13:02:02,950 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 306 334) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:02:02,951 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 306 334) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 384 406) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 400) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 384 406) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 384 406) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 298 305) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 298 305) no Hoare annotation was computed. [2020-07-20 13:02:02,952 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 298 305) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L634(lines 634 638) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L698(lines 698 709) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L680(lines 658 681) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L639(lines 639 655) no Hoare annotation was computed. [2020-07-20 13:02:02,953 INFO L268 CegarLoopResult]: For program point L699(lines 699 706) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L660(lines 659 679) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L691(line 691) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L656(lines 656 697) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L675(line 675) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point L675-1(line 675) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 907 916) no Hoare annotation was computed. [2020-07-20 13:02:02,954 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 907 916) no Hoare annotation was computed. [2020-07-20 13:02:02,955 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 907 916) no Hoare annotation was computed. [2020-07-20 13:02:02,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,955 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 13:02:02,955 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,956 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 136 143) no Hoare annotation was computed. [2020-07-20 13:02:02,957 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 136 143) no Hoare annotation was computed. [2020-07-20 13:02:02,957 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 136 143) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 13:02:02,957 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 208 226) no Hoare annotation was computed. [2020-07-20 13:02:02,957 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-07-20 13:02:02,957 INFO L271 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: true [2020-07-20 13:02:02,957 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-07-20 13:02:02,958 INFO L268 CegarLoopResult]: For program point L215-1(line 215) no Hoare annotation was computed. [2020-07-20 13:02:02,958 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 208 226) the Hoare annotation is: true [2020-07-20 13:02:02,959 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 208 226) no Hoare annotation was computed. [2020-07-20 13:02:02,959 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 407 415) no Hoare annotation was computed. [2020-07-20 13:02:02,959 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 407 415) no Hoare annotation was computed. [2020-07-20 13:02:02,959 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 407 415) no Hoare annotation was computed. [2020-07-20 13:02:02,959 INFO L268 CegarLoopResult]: For program point L367-1(lines 363 374) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 363 374) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 363 374) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 375 383) the Hoare annotation is: true [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 375 383) no Hoare annotation was computed. [2020-07-20 13:02:02,960 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 375 383) no Hoare annotation was computed. [2020-07-20 13:02:02,961 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse10 (not .cse5)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and .cse8 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse5 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse8) (or .cse5 .cse1 .cse2 .cse8) (or .cse1 .cse9 .cse2 .cse3 .cse10) (or .cse1 .cse9 .cse3 .cse10 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse6 .cse4)))) [2020-07-20 13:02:02,961 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse4 .cse8 .cse6) (or .cse5 .cse1 .cse2 .cse4 .cse7)))) [2020-07-20 13:02:02,961 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-07-20 13:02:02,961 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 13:02:02,961 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-07-20 13:02:02,961 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-07-20 13:02:02,961 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 13:02:02,962 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-07-20 13:02:02,962 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-07-20 13:02:02,963 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-07-20 13:02:02,963 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 13:02:02,963 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-07-20 13:02:02,964 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-07-20 13:02:02,964 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 13:02:02,964 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-07-20 13:02:02,964 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-07-20 13:02:02,964 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-07-20 13:02:02,964 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 339 350) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 13:02:02,964 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 339 350) no Hoare annotation was computed. [2020-07-20 13:02:02,964 INFO L268 CegarLoopResult]: For program point L343-1(lines 339 350) no Hoare annotation was computed. [2020-07-20 13:02:02,964 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-07-20 13:02:02,965 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-07-20 13:02:02,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,966 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:02,966 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:02,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:02,967 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 85 109) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-20 13:02:02,967 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse7)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse5)))) [2020-07-20 13:02:02,967 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-20 13:02:02,967 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 85 109) no Hoare annotation was computed. [2020-07-20 13:02:02,967 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-20 13:02:02,967 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-20 13:02:02,968 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-20 13:02:02,968 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-20 13:02:02,968 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-07-20 13:02:02,968 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not .cse3)) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 13:02:02,968 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 351 362) no Hoare annotation was computed. [2020-07-20 13:02:02,968 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 351 362) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:02:02,968 INFO L268 CegarLoopResult]: For program point L355-1(lines 351 362) no Hoare annotation was computed. [2020-07-20 13:02:02,968 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 431 438) no Hoare annotation was computed. [2020-07-20 13:02:02,969 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 435) no Hoare annotation was computed. [2020-07-20 13:02:02,969 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 431 438) the Hoare annotation is: true [2020-07-20 13:02:02,969 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 431 438) no Hoare annotation was computed. [2020-07-20 13:02:02,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:02 BoogieIcfgContainer [2020-07-20 13:02:02,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:02,999 INFO L168 Benchmark]: Toolchain (without parser) took 16441.11 ms. Allocated memory was 144.7 MB in the beginning and 392.2 MB in the end (delta: 247.5 MB). Free memory was 101.6 MB in the beginning and 212.8 MB in the end (delta: -111.2 MB). Peak memory consumption was 231.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,005 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.81 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 168.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,014 INFO L168 Benchmark]: Boogie Preprocessor took 87.92 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,015 INFO L168 Benchmark]: RCFGBuilder took 1166.71 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 194.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,016 INFO L168 Benchmark]: TraceAbstraction took 14478.58 ms. Allocated memory was 233.8 MB in the beginning and 392.2 MB in the end (delta: 158.3 MB). Free memory was 194.5 MB in the beginning and 212.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 234.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:03,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.81 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 168.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.92 ms. Allocated memory is still 201.3 MB. Free memory was 168.5 MB in the beginning and 164.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.71 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.5 MB in the beginning and 194.5 MB in the end (delta: -30.0 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14478.58 ms. Allocated memory was 233.8 MB in the beginning and 392.2 MB in the end (delta: 158.3 MB). Free memory was 194.5 MB in the beginning and 212.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 234.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 435]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || ((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && splverifierCounter <= 0)) || ((1 <= methaneLevelCritical && !(0 == pumpRunning)) && splverifierCounter <= 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1712 SDtfs, 639 SDslu, 3148 SDs, 0 SdLazy, 711 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 889 GetRequests, 852 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=725occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 167 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1111 PreInvPairs, 1184 NumberOfFragments, 2111 HoareAnnotationTreeSize, 1111 FomulaSimplifications, 2092 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 59 FomulaSimplificationsInter, 6734 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 893 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 882 ConstructedInterpolants, 0 QuantifiedInterpolants, 155580 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7972 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 41/41 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...