/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_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:04:53,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:04:53,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:04:53,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:04:53,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:04:53,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:04:53,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:04:53,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:04:53,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:04:53,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:04:53,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:04:53,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:04:53,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:04:53,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:04:53,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:04:53,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:04:53,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:04:53,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:04:53,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:04:53,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:04:53,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:04:53,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:04:53,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:04:53,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:04:53,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:04:53,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:04:53,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:04:53,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:04:53,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:04:53,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:04:53,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:04:53,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:04:53,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:04:53,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:04:53,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:04:53,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:04:53,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:04:53,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:04:53,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:04:53,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:04:53,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:04:53,362 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 13:04:53,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:04:53,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:04:53,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:04:53,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:04:53,379 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:04:53,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:04:53,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:04:53,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:04:53,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:04:53,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:04:53,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:04:53,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:04:53,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:04:53,380 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:04:53,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:04:53,381 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:04:53,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:04:53,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:04:53,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:04:53,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:04:53,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:04:53,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:53,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:04:53,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:04:53,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:04:53,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:04:53,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:53,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:04:53,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:04:53,383 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 13:04:53,688 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:04:53,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:04:53,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:04:53,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:04:53,709 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:04:53,709 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-20 13:04:53,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801f39515/bf43d027bfda4dcd97c8ba113a9487df/FLAG4496429c9 [2020-07-20 13:04:54,320 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:04:54,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-20 13:04:54,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801f39515/bf43d027bfda4dcd97c8ba113a9487df/FLAG4496429c9 [2020-07-20 13:04:54,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/801f39515/bf43d027bfda4dcd97c8ba113a9487df [2020-07-20 13:04:54,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:04:54,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:04:54,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:54,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:04:54,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:04:54,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:54" (1/1) ... [2020-07-20 13:04:54,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:54, skipping insertion in model container [2020-07-20 13:04:54,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:54" (1/1) ... [2020-07-20 13:04:54,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:04:54,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:04:55,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:55,159 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:04:55,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:04:55,332 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:04:55,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55 WrapperNode [2020-07-20 13:04:55,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:04:55,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:04:55,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:04:55,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:04:55,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... [2020-07-20 13:04:55,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:04:55,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:04:55,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:04:55,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:04:55,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:04:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:04:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:04:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:04:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:04:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:04:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:04:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:04:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:04:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:04:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:04:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:04:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:04:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:04:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:04:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:04:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:04:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:04:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:04:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:04:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:04:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:04:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:04:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:04:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:04:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:04:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:04:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:04:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:04:56,734 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:04:56,734 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:04:56,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:56 BoogieIcfgContainer [2020-07-20 13:04:56,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:04:56,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:04:56,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:04:56,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:04:56,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:54" (1/3) ... [2020-07-20 13:04:56,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2010ecc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:56, skipping insertion in model container [2020-07-20 13:04:56,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:55" (2/3) ... [2020-07-20 13:04:56,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2010ecc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:56, skipping insertion in model container [2020-07-20 13:04:56,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:56" (3/3) ... [2020-07-20 13:04:56,749 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-07-20 13:04:56,760 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:04:56,768 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:04:56,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:04:56,810 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:04:56,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:04:56,810 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:04:56,811 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:04:56,811 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:04:56,811 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:04:56,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:04:56,812 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:04:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-20 13:04:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:04:56,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:56,849 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:04:56,849 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:56,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2020-07-20 13:04:56,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:56,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956544587] [2020-07-20 13:04:56,867 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 13:04:57,279 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:57,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:57,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:04:57,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:57,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:57,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956544587] [2020-07-20 13:04:57,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:57,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:04:57,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567989756] [2020-07-20 13:04:57,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:04:57,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:57,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:04:57,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:04:57,355 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2020-07-20 13:04:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:57,405 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2020-07-20 13:04:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:04:57,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:04:57,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:57,424 INFO L225 Difference]: With dead ends: 280 [2020-07-20 13:04:57,424 INFO L226 Difference]: Without dead ends: 142 [2020-07-20 13:04:57,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 13:04:57,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-20 13:04:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2020-07-20 13:04:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-20 13:04:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2020-07-20 13:04:57,495 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2020-07-20 13:04:57,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:57,495 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2020-07-20 13:04:57,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:04:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2020-07-20 13:04:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:04:57,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:57,500 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:04:57,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:57,716 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:57,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2020-07-20 13:04:57,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:57,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056406314] [2020-07-20 13:04:57,719 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 13:04:58,238 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:58,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:58,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:04:58,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:58,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:04:58,299 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:58,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056406314] [2020-07-20 13:04:58,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:58,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:58,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806060129] [2020-07-20 13:04:58,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:58,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:58,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:58,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:58,303 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2020-07-20 13:04:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:58,326 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2020-07-20 13:04:58,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:58,327 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:04:58,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:58,329 INFO L225 Difference]: With dead ends: 225 [2020-07-20 13:04:58,330 INFO L226 Difference]: Without dead ends: 133 [2020-07-20 13:04:58,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 13:04:58,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-20 13:04:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-20 13:04:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 13:04:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2020-07-20 13:04:58,346 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2020-07-20 13:04:58,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:58,346 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2020-07-20 13:04:58,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2020-07-20 13:04:58,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:04:58,349 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:58,349 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:04:58,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:58,564 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:58,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:58,565 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2020-07-20 13:04:58,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:58,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648171725] [2020-07-20 13:04:58,567 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 13:04:59,049 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:04:59,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:59,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:04:59,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:59,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:59,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648171725] [2020-07-20 13:04:59,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:59,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:04:59,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132455617] [2020-07-20 13:04:59,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:04:59,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:59,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:04:59,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:04:59,091 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 3 states. [2020-07-20 13:04:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:04:59,109 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2020-07-20 13:04:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:04:59,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:04:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:04:59,112 INFO L225 Difference]: With dead ends: 238 [2020-07-20 13:04:59,113 INFO L226 Difference]: Without dead ends: 133 [2020-07-20 13:04:59,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 13:04:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-20 13:04:59,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-07-20 13:04:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-20 13:04:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2020-07-20 13:04:59,128 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2020-07-20 13:04:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:04:59,131 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2020-07-20 13:04:59,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:04:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2020-07-20 13:04:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 13:04:59,133 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:04:59,134 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:04:59,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:04:59,348 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:04:59,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:04:59,349 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2020-07-20 13:04:59,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:04:59,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791003502] [2020-07-20 13:04:59,350 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 13:04:59,839 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:04:59,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:04:59,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:04:59,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:04:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:04:59,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:04:59,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791003502] [2020-07-20 13:04:59,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:04:59,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:04:59,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817358325] [2020-07-20 13:04:59,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:04:59,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:04:59,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:04:59,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:04:59,915 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 6 states. [2020-07-20 13:05:00,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:00,628 INFO L93 Difference]: Finished difference Result 325 states and 393 transitions. [2020-07-20 13:05:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:00,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2020-07-20 13:05:00,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:00,631 INFO L225 Difference]: With dead ends: 325 [2020-07-20 13:05:00,631 INFO L226 Difference]: Without dead ends: 220 [2020-07-20 13:05:00,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 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 13:05:00,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-20 13:05:00,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 204. [2020-07-20 13:05:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-07-20 13:05:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 231 transitions. [2020-07-20 13:05:00,679 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 231 transitions. Word has length 78 [2020-07-20 13:05:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:00,679 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 231 transitions. [2020-07-20 13:05:00,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 231 transitions. [2020-07-20 13:05:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:05:00,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:00,682 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:05:00,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:00,883 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:00,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2020-07-20 13:05:00,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:00,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536061114] [2020-07-20 13:05:00,885 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 13:05:01,304 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:01,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:01,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:01,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:01,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:01,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536061114] [2020-07-20 13:05:01,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:01,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:01,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135326552] [2020-07-20 13:05:01,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:01,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:01,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:01,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:01,349 INFO L87 Difference]: Start difference. First operand 204 states and 231 transitions. Second operand 5 states. [2020-07-20 13:05:01,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:01,382 INFO L93 Difference]: Finished difference Result 387 states and 449 transitions. [2020-07-20 13:05:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:01,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-07-20 13:05:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:01,386 INFO L225 Difference]: With dead ends: 387 [2020-07-20 13:05:01,386 INFO L226 Difference]: Without dead ends: 211 [2020-07-20 13:05:01,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 13:05:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-20 13:05:01,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 208. [2020-07-20 13:05:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-20 13:05:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 235 transitions. [2020-07-20 13:05:01,404 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 235 transitions. Word has length 92 [2020-07-20 13:05:01,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:01,404 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 235 transitions. [2020-07-20 13:05:01,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 235 transitions. [2020-07-20 13:05:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 13:05:01,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:01,406 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:05:01,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:01,620 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:01,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:01,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2020-07-20 13:05:01,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:01,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921405772] [2020-07-20 13:05:01,622 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 13:05:01,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:01,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:01,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:01,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:02,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:02,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921405772] [2020-07-20 13:05:02,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:02,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:02,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792377559] [2020-07-20 13:05:02,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:02,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:02,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:02,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:02,013 INFO L87 Difference]: Start difference. First operand 208 states and 235 transitions. Second operand 6 states. [2020-07-20 13:05:02,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:02,242 INFO L93 Difference]: Finished difference Result 391 states and 450 transitions. [2020-07-20 13:05:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:02,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 13:05:02,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:02,247 INFO L225 Difference]: With dead ends: 391 [2020-07-20 13:05:02,247 INFO L226 Difference]: Without dead ends: 211 [2020-07-20 13:05:02,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 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 13:05:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-20 13:05:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2020-07-20 13:05:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-20 13:05:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 232 transitions. [2020-07-20 13:05:02,266 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 232 transitions. Word has length 92 [2020-07-20 13:05:02,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:02,266 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 232 transitions. [2020-07-20 13:05:02,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 232 transitions. [2020-07-20 13:05:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:05:02,268 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:02,268 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:05:02,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,482 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:02,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:02,483 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2020-07-20 13:05:02,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:02,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393633241] [2020-07-20 13:05:02,485 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 13:05:02,888 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:02,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:02,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:02,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:02,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:02,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393633241] [2020-07-20 13:05:02,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:02,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:02,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973182066] [2020-07-20 13:05:02,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:02,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:02,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:02,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:02,963 INFO L87 Difference]: Start difference. First operand 207 states and 232 transitions. Second operand 6 states. [2020-07-20 13:05:03,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:03,000 INFO L93 Difference]: Finished difference Result 391 states and 445 transitions. [2020-07-20 13:05:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:03,001 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 13:05:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:03,003 INFO L225 Difference]: With dead ends: 391 [2020-07-20 13:05:03,003 INFO L226 Difference]: Without dead ends: 212 [2020-07-20 13:05:03,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 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 13:05:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-20 13:05:03,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-07-20 13:05:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-20 13:05:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 237 transitions. [2020-07-20 13:05:03,018 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 237 transitions. Word has length 93 [2020-07-20 13:05:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:03,019 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 237 transitions. [2020-07-20 13:05:03,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 237 transitions. [2020-07-20 13:05:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 13:05:03,020 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:03,020 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 13:05:03,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:03,236 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:03,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:03,237 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2020-07-20 13:05:03,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:03,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466436703] [2020-07-20 13:05:03,238 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 13:05:03,512 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:03,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:03,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:03,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:03,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:03,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466436703] [2020-07-20 13:05:03,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:03,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:03,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897408401] [2020-07-20 13:05:03,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:03,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:03,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:03,547 INFO L87 Difference]: Start difference. First operand 212 states and 237 transitions. Second operand 3 states. [2020-07-20 13:05:03,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:03,590 INFO L93 Difference]: Finished difference Result 552 states and 645 transitions. [2020-07-20 13:05:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:03,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 13:05:03,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:03,594 INFO L225 Difference]: With dead ends: 552 [2020-07-20 13:05:03,594 INFO L226 Difference]: Without dead ends: 368 [2020-07-20 13:05:03,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 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 13:05:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-07-20 13:05:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 365. [2020-07-20 13:05:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-07-20 13:05:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 420 transitions. [2020-07-20 13:05:03,623 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 420 transitions. Word has length 93 [2020-07-20 13:05:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:03,624 INFO L479 AbstractCegarLoop]: Abstraction has 365 states and 420 transitions. [2020-07-20 13:05:03,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 420 transitions. [2020-07-20 13:05:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 13:05:03,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:03,626 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-07-20 13:05:03,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:03,840 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:03,842 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2020-07-20 13:05:03,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:03,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255037504] [2020-07-20 13:05:03,843 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 13:05:04,176 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:04,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:04,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:04,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:04,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:04,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255037504] [2020-07-20 13:05:04,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:04,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:04,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655186423] [2020-07-20 13:05:04,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:04,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:04,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:04,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:04,284 INFO L87 Difference]: Start difference. First operand 365 states and 420 transitions. Second operand 10 states. [2020-07-20 13:05:05,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:05,568 INFO L93 Difference]: Finished difference Result 1010 states and 1319 transitions. [2020-07-20 13:05:05,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 13:05:05,569 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-20 13:05:05,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:05,578 INFO L225 Difference]: With dead ends: 1010 [2020-07-20 13:05:05,584 INFO L226 Difference]: Without dead ends: 673 [2020-07-20 13:05:05,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-20 13:05:05,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2020-07-20 13:05:05,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 499. [2020-07-20 13:05:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-20 13:05:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 583 transitions. [2020-07-20 13:05:05,637 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 583 transitions. Word has length 97 [2020-07-20 13:05:05,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:05,638 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 583 transitions. [2020-07-20 13:05:05,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 583 transitions. [2020-07-20 13:05:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 13:05:05,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:05,641 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, 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, 1, 1, 1] [2020-07-20 13:05:05,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:05,854 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:05,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:05,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2020-07-20 13:05:05,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:05,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010662740] [2020-07-20 13:05:05,856 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 13:05:06,234 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:06,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:06,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:06,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:06,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:05:06,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010662740] [2020-07-20 13:05:06,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:06,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:06,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571290885] [2020-07-20 13:05:06,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:06,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:06,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:06,674 INFO L87 Difference]: Start difference. First operand 499 states and 583 transitions. Second operand 10 states. [2020-07-20 13:05:07,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,420 INFO L93 Difference]: Finished difference Result 607 states and 722 transitions. [2020-07-20 13:05:07,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:07,423 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-07-20 13:05:07,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,424 INFO L225 Difference]: With dead ends: 607 [2020-07-20 13:05:07,424 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:07,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:07,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:07,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:07,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:07,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-07-20 13:05:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:07,434 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:07,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:07,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:07,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:08,626 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:09,024 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2020-07-20 13:05:09,303 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 13:05:09,502 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-20 13:05:09,801 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-20 13:05:09,993 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-07-20 13:05:10,319 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-20 13:05:10,598 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-07-20 13:05:10,737 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:05:10,876 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2020-07-20 13:05:11,179 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:11,430 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28 [2020-07-20 13:05:11,831 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-20 13:05:12,199 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-20 13:05:12,264 INFO L268 CegarLoopResult]: For program point L543(lines 520 544) no Hoare annotation was computed. [2020-07-20 13:05:12,265 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2020-07-20 13:05:12,265 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-20 13:05:12,265 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2020-07-20 13:05:12,265 INFO L268 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-07-20 13:05:12,265 INFO L268 CegarLoopResult]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point L604(lines 577 605) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-20 13:05:12,266 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-20 13:05:12,267 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-20 13:05:12,267 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-20 13:05:12,268 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: true [2020-07-20 13:05:12,268 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2020-07-20 13:05:12,268 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2020-07-20 13:05:12,268 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 13:05:12,268 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2020-07-20 13:05:12,268 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 13:05:12,268 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2020-07-20 13:05:12,269 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2020-07-20 13:05:12,269 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-20 13:05:12,269 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2020-07-20 13:05:12,269 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-07-20 13:05:12,269 INFO L268 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2020-07-20 13:05:12,269 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:12,270 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-20 13:05:12,270 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-20 13:05:12,270 INFO L268 CegarLoopResult]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2020-07-20 13:05:12,270 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-20 13:05:12,270 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 13:05:12,270 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,270 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-20 13:05:12,270 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,270 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,271 INFO L264 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,271 INFO L264 CegarLoopResult]: At program point L976-1(line 976) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-07-20 13:05:12,271 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-20 13:05:12,272 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2020-07-20 13:05:12,273 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2020-07-20 13:05:12,273 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2020-07-20 13:05:12,274 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2020-07-20 13:05:12,274 INFO L268 CegarLoopResult]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2020-07-20 13:05:12,275 INFO L268 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-07-20 13:05:12,276 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2020-07-20 13:05:12,277 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,277 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2020-07-20 13:05:12,278 INFO L268 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2020-07-20 13:05:12,279 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2020-07-20 13:05:12,279 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2020-07-20 13:05:12,279 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2020-07-20 13:05:12,279 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2020-07-20 13:05:12,279 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:12,279 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:12,279 INFO L268 CegarLoopResult]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2020-07-20 13:05:12,280 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 13:05:12,280 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 13:05:12,280 INFO L268 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2020-07-20 13:05:12,280 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-20 13:05:12,280 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-07-20 13:05:12,280 INFO L268 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2020-07-20 13:05:12,281 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-20 13:05:12,281 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2020-07-20 13:05:12,281 INFO L264 CegarLoopResult]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,281 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-20 13:05:12,281 INFO L268 CegarLoopResult]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2020-07-20 13:05:12,281 INFO L264 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:12,281 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-07-20 13:05:12,282 INFO L264 CegarLoopResult]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:12,282 INFO L268 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2020-07-20 13:05:12,282 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:12,282 INFO L268 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2020-07-20 13:05:12,282 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:12,282 INFO L268 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2020-07-20 13:05:12,282 INFO L268 CegarLoopResult]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2020-07-20 13:05:12,283 INFO L264 CegarLoopResult]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:12,283 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:12,283 INFO L268 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-07-20 13:05:12,283 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-07-20 13:05:12,283 INFO L268 CegarLoopResult]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2020-07-20 13:05:12,283 INFO L268 CegarLoopResult]: For program point L737(lines 737 744) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point L731(lines 731 751) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-20 13:05:12,284 INFO L268 CegarLoopResult]: For program point L396(lines 396 404) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point L702(lines 702 713) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-07-20 13:05:12,285 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L684(lines 662 685) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L643(lines 643 659) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L703(lines 703 710) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L664(lines 663 683) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-20 13:05:12,286 INFO L268 CegarLoopResult]: For program point L660(lines 660 701) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,287 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-20 13:05:12,287 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:05:12,288 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L268 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L271 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: true [2020-07-20 13:05:12,288 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2020-07-20 13:05:12,288 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2020-07-20 13:05:12,289 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2020-07-20 13:05:12,289 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2020-07-20 13:05:12,289 INFO L268 CegarLoopResult]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-20 13:05:12,290 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-20 13:05:12,291 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-20 13:05:12,291 INFO L264 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-20 13:05:12,291 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2020-07-20 13:05:12,291 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:12,291 INFO L268 CegarLoopResult]: For program point L72(lines 68 90) no Hoare annotation was computed. [2020-07-20 13:05:12,292 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2020-07-20 13:05:12,292 INFO L268 CegarLoopResult]: For program point L70(lines 68 90) no Hoare annotation was computed. [2020-07-20 13:05:12,292 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-07-20 13:05:12,292 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2020-07-20 13:05:12,292 INFO L271 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-07-20 13:05:12,292 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-20 13:05:12,292 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-07-20 13:05:12,293 INFO L271 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2020-07-20 13:05:12,293 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-20 13:05:12,293 INFO L271 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2020-07-20 13:05:12,293 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-07-20 13:05:12,293 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-20 13:05:12,293 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2020-07-20 13:05:12,293 INFO L268 CegarLoopResult]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2020-07-20 13:05:12,293 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2020-07-20 13:05:12,294 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-20 13:05:12,294 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-07-20 13:05:12,294 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,294 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:12,294 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:12,294 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:12,294 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2020-07-20 13:05:12,294 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-20 13:05:12,294 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2020-07-20 13:05:12,295 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:12,295 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2020-07-20 13:05:12,295 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:12,295 INFO L268 CegarLoopResult]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2020-07-20 13:05:12,295 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:12,295 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:12,295 INFO L268 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:05:12,296 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:05:12,297 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:05:12,297 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:05:12,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:12 BoogieIcfgContainer [2020-07-20 13:05:12,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:12,316 INFO L168 Benchmark]: Toolchain (without parser) took 17700.81 ms. Allocated memory was 141.6 MB in the beginning and 455.6 MB in the end (delta: 314.0 MB). Free memory was 97.5 MB in the beginning and 362.5 MB in the end (delta: -265.0 MB). Peak memory consumption was 286.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,317 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 141.6 MB. Free memory was 116.5 MB in the beginning and 116.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.06 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 97.1 MB in the beginning and 167.6 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,319 INFO L168 Benchmark]: Boogie Preprocessor took 108.67 ms. Allocated memory is still 199.2 MB. Free memory was 167.6 MB in the beginning and 163.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,320 INFO L168 Benchmark]: RCFGBuilder took 1298.67 ms. Allocated memory was 199.2 MB in the beginning and 225.4 MB in the end (delta: 26.2 MB). Free memory was 163.2 MB in the beginning and 191.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,321 INFO L168 Benchmark]: TraceAbstraction took 15572.75 ms. Allocated memory was 225.4 MB in the beginning and 455.6 MB in the end (delta: 230.2 MB). Free memory was 191.8 MB in the beginning and 362.5 MB in the end (delta: -170.7 MB). Peak memory consumption was 296.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:12,325 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 141.6 MB. Free memory was 116.5 MB in the beginning and 116.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.06 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 97.1 MB in the beginning and 167.6 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.67 ms. Allocated memory is still 199.2 MB. Free memory was 167.6 MB in the beginning and 163.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1298.67 ms. Allocated memory was 199.2 MB in the beginning and 225.4 MB in the end (delta: 26.2 MB). Free memory was 163.2 MB in the beginning and 191.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15572.75 ms. Allocated memory was 225.4 MB in the beginning and 455.6 MB in the end (delta: 230.2 MB). Free memory was 191.8 MB in the beginning and 362.5 MB in the end (delta: -170.7 MB). Peak memory consumption was 296.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1851 SDtfs, 1176 SDslu, 3080 SDs, 0 SdLazy, 1693 SolverSat, 427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1061 GetRequests, 999 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=499occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 200 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 842 PreInvPairs, 926 NumberOfFragments, 1723 HoareAnnotationTreeSize, 842 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7857 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 888 NumberOfCodeBlocks, 820 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 209031 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7586 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 91/113 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...