/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:25:28,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:25:28,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:25:28,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:25:28,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:25:28,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:25:28,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:25:28,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:25:28,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:25:28,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:25:28,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:25:28,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:25:28,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:25:28,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:25:28,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:25:28,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:25:28,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:25:28,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:25:28,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:25:28,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:25:28,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:25:28,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:25:28,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:25:28,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:25:28,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:25:28,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:25:28,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:25:28,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:25:28,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:25:28,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:25:28,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:25:28,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:25:28,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:25:28,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:25:28,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:25:28,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:25:28,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:25:28,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:25:28,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:25:28,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:25:28,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:25:28,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:25:28,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:25:28,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:25:28,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:25:28,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:25:28,452 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:25:28,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:25:28,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:25:28,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:25:28,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:25:28,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:25:28,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:25:28,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:25:28,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:25:28,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:25:28,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:25:28,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:25:28,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:28,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:25:28,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:25:28,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:25:28,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:25:28,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:25:28,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:25:28,783 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:25:28,784 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:25:28,785 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-07-20 16:25:28,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf309794/450643aa736f43518075a98059f6a651/FLAGe7704e5bb [2020-07-20 16:25:29,371 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:25:29,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2020-07-20 16:25:29,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf309794/450643aa736f43518075a98059f6a651/FLAGe7704e5bb [2020-07-20 16:25:29,676 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf309794/450643aa736f43518075a98059f6a651 [2020-07-20 16:25:29,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:25:29,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:25:29,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:29,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:25:29,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:25:29,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:29" (1/1) ... [2020-07-20 16:25:29,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15875eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:29, skipping insertion in model container [2020-07-20 16:25:29,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:25:29" (1/1) ... [2020-07-20 16:25:29,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:25:29,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:25:30,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:30,153 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:25:30,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:25:30,383 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:25:30,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30 WrapperNode [2020-07-20 16:25:30,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:25:30,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:25:30,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:25:30,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:25:30,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... [2020-07-20 16:25:30,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:25:30,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:25:30,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:25:30,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:25:30,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:25:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:25:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:25:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:30,538 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:25:30,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:25:30,540 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:25:30,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:25:30,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:25:30,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:25:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:25:30,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:25:30,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:25:30,547 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:25:30,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:25:30,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:25:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:25:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:25:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:25:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:25:31,608 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:25:31,609 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:25:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:31 BoogieIcfgContainer [2020-07-20 16:25:31,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:25:31,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:25:31,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:25:31,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:25:31,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:25:29" (1/3) ... [2020-07-20 16:25:31,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2134f577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:31, skipping insertion in model container [2020-07-20 16:25:31,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:25:30" (2/3) ... [2020-07-20 16:25:31,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2134f577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:25:31, skipping insertion in model container [2020-07-20 16:25:31,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:25:31" (3/3) ... [2020-07-20 16:25:31,622 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-07-20 16:25:31,632 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:25:31,640 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:25:31,654 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:25:31,678 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:25:31,678 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:25:31,678 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:25:31,679 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:25:31,679 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:25:31,679 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:25:31,680 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:25:31,680 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:25:31,700 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-20 16:25:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:25:31,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:31,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:31,711 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:31,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:31,716 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times [2020-07-20 16:25:31,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:31,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154499377] [2020-07-20 16:25:31,726 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,229 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:32,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:32,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:25:32,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:32,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:32,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154499377] [2020-07-20 16:25:32,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:32,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:25:32,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716609379] [2020-07-20 16:25:32,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:25:32,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:32,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:25:32,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:32,300 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2020-07-20 16:25:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:32,346 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2020-07-20 16:25:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:25:32,347 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:25:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:32,361 INFO L225 Difference]: With dead ends: 298 [2020-07-20 16:25:32,361 INFO L226 Difference]: Without dead ends: 149 [2020-07-20 16:25:32,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:25:32,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-20 16:25:32,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-07-20 16:25:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-20 16:25:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2020-07-20 16:25:32,422 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2020-07-20 16:25:32,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:32,423 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2020-07-20 16:25:32,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:25:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2020-07-20 16:25:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:25:32,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:32,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:32,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:32,638 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:32,639 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times [2020-07-20 16:25:32,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:32,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382026306] [2020-07-20 16:25:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:33,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:33,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:25:33,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:33,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:33,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382026306] [2020-07-20 16:25:33,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:33,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:33,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322536198] [2020-07-20 16:25:33,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:33,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:33,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:33,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,206 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2020-07-20 16:25:33,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:33,257 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2020-07-20 16:25:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:33,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:25:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:33,263 INFO L225 Difference]: With dead ends: 241 [2020-07-20 16:25:33,263 INFO L226 Difference]: Without dead ends: 140 [2020-07-20 16:25:33,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-20 16:25:33,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2020-07-20 16:25:33,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-07-20 16:25:33,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2020-07-20 16:25:33,296 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2020-07-20 16:25:33,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:33,297 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2020-07-20 16:25:33,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2020-07-20 16:25:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:25:33,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:33,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:33,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,518 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:33,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:33,518 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times [2020-07-20 16:25:33,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:33,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702808744] [2020-07-20 16:25:33,520 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:33,970 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:33,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:33,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:25:33,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:34,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702808744] [2020-07-20 16:25:34,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:34,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219187825] [2020-07-20 16:25:34,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:34,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:34,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:34,041 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 6 states. [2020-07-20 16:25:34,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:34,284 INFO L93 Difference]: Finished difference Result 361 states and 440 transitions. [2020-07-20 16:25:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:34,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-20 16:25:34,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:34,289 INFO L225 Difference]: With dead ends: 361 [2020-07-20 16:25:34,289 INFO L226 Difference]: Without dead ends: 245 [2020-07-20 16:25:34,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:25:34,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-07-20 16:25:34,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2020-07-20 16:25:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-07-20 16:25:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2020-07-20 16:25:34,345 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 51 [2020-07-20 16:25:34,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:34,345 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2020-07-20 16:25:34,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:34,346 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2020-07-20 16:25:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 16:25:34,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:34,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:34,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,568 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:34,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:34,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1603395842, now seen corresponding path program 1 times [2020-07-20 16:25:34,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:34,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33822796] [2020-07-20 16:25:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:34,954 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:34,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:34,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 19 conjunts are in the unsatisfiable core [2020-07-20 16:25:34,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:34,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:34,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33822796] [2020-07-20 16:25:34,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:34,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:34,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269501415] [2020-07-20 16:25:34,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:34,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:34,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:34,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:34,981 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand 3 states. [2020-07-20 16:25:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,051 INFO L93 Difference]: Finished difference Result 545 states and 696 transitions. [2020-07-20 16:25:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:35,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-20 16:25:35,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,063 INFO L225 Difference]: With dead ends: 545 [2020-07-20 16:25:35,063 INFO L226 Difference]: Without dead ends: 324 [2020-07-20 16:25:35,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:35,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-07-20 16:25:35,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 321. [2020-07-20 16:25:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-07-20 16:25:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 398 transitions. [2020-07-20 16:25:35,107 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 398 transitions. Word has length 55 [2020-07-20 16:25:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,108 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 398 transitions. [2020-07-20 16:25:35,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:35,108 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 398 transitions. [2020-07-20 16:25:35,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 16:25:35,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,111 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:25:35,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:35,324 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:35,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:35,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1153553936, now seen corresponding path program 1 times [2020-07-20 16:25:35,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:35,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934151932] [2020-07-20 16:25:35,326 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 16:25:35,764 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:35,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:35,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:35,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:35,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:35,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934151932] [2020-07-20 16:25:35,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:35,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:35,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708766636] [2020-07-20 16:25:35,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:35,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:35,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:35,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:35,825 INFO L87 Difference]: Start difference. First operand 321 states and 398 transitions. Second operand 6 states. [2020-07-20 16:25:35,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:35,886 INFO L93 Difference]: Finished difference Result 632 states and 826 transitions. [2020-07-20 16:25:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:35,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-07-20 16:25:35,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:35,891 INFO L225 Difference]: With dead ends: 632 [2020-07-20 16:25:35,891 INFO L226 Difference]: Without dead ends: 335 [2020-07-20 16:25:35,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 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 16:25:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-07-20 16:25:35,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 331. [2020-07-20 16:25:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-07-20 16:25:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 409 transitions. [2020-07-20 16:25:35,917 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 409 transitions. Word has length 121 [2020-07-20 16:25:35,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:35,918 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 409 transitions. [2020-07-20 16:25:35,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:35,918 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 409 transitions. [2020-07-20 16:25:35,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 16:25:35,920 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:35,921 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:25:36,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,131 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:36,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1230454734, now seen corresponding path program 1 times [2020-07-20 16:25:36,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:36,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599317776] [2020-07-20 16:25:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 16:25:36,280 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:25:36,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:36,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:25:36,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:36,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:36,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599317776] [2020-07-20 16:25:36,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:36,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:25:36,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690313128] [2020-07-20 16:25:36,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:25:36,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:36,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:25:36,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:25:36,323 INFO L87 Difference]: Start difference. First operand 331 states and 409 transitions. Second operand 5 states. [2020-07-20 16:25:36,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:36,350 INFO L93 Difference]: Finished difference Result 619 states and 795 transitions. [2020-07-20 16:25:36,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:25:36,351 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2020-07-20 16:25:36,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:36,354 INFO L225 Difference]: With dead ends: 619 [2020-07-20 16:25:36,354 INFO L226 Difference]: Without dead ends: 312 [2020-07-20 16:25:36,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 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 16:25:36,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-07-20 16:25:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2020-07-20 16:25:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-07-20 16:25:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 384 transitions. [2020-07-20 16:25:36,376 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 384 transitions. Word has length 121 [2020-07-20 16:25:36,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:36,377 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 384 transitions. [2020-07-20 16:25:36,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:25:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 384 transitions. [2020-07-20 16:25:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-20 16:25:36,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:36,379 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 16:25:36,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:36,593 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:36,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:36,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1955697363, now seen corresponding path program 1 times [2020-07-20 16:25:36,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:36,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692208891] [2020-07-20 16:25:36,596 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 16:25:36,915 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:25:36,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:36,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:25:36,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:36,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:36,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692208891] [2020-07-20 16:25:36,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:36,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:36,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298425081] [2020-07-20 16:25:36,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:36,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:36,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:36,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:36,995 INFO L87 Difference]: Start difference. First operand 312 states and 384 transitions. Second operand 6 states. [2020-07-20 16:25:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:37,789 INFO L93 Difference]: Finished difference Result 846 states and 1111 transitions. [2020-07-20 16:25:37,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:25:37,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2020-07-20 16:25:37,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:37,797 INFO L225 Difference]: With dead ends: 846 [2020-07-20 16:25:37,797 INFO L226 Difference]: Without dead ends: 558 [2020-07-20 16:25:37,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 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 16:25:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-07-20 16:25:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 542. [2020-07-20 16:25:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2020-07-20 16:25:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 680 transitions. [2020-07-20 16:25:37,856 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 680 transitions. Word has length 121 [2020-07-20 16:25:37,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:37,857 INFO L479 AbstractCegarLoop]: Abstraction has 542 states and 680 transitions. [2020-07-20 16:25:37,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 680 transitions. [2020-07-20 16:25:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 16:25:37,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:37,860 INFO L422 BasicCegarLoop]: trace histogram [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 16:25:38,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,074 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:38,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1961894605, now seen corresponding path program 1 times [2020-07-20 16:25:38,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:38,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268996453] [2020-07-20 16:25:38,076 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 16:25:38,524 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:38,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:38,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:25:38,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:25:38,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:38,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268996453] [2020-07-20 16:25:38,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:38,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:38,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700242876] [2020-07-20 16:25:38,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:38,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:38,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:38,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:38,564 INFO L87 Difference]: Start difference. First operand 542 states and 680 transitions. Second operand 3 states. [2020-07-20 16:25:38,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:38,611 INFO L93 Difference]: Finished difference Result 1550 states and 1976 transitions. [2020-07-20 16:25:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:38,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-20 16:25:38,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:38,619 INFO L225 Difference]: With dead ends: 1550 [2020-07-20 16:25:38,620 INFO L226 Difference]: Without dead ends: 1032 [2020-07-20 16:25:38,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:38,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2020-07-20 16:25:38,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1008. [2020-07-20 16:25:38,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2020-07-20 16:25:38,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1271 transitions. [2020-07-20 16:25:38,687 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1271 transitions. Word has length 125 [2020-07-20 16:25:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:38,687 INFO L479 AbstractCegarLoop]: Abstraction has 1008 states and 1271 transitions. [2020-07-20 16:25:38,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1271 transitions. [2020-07-20 16:25:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-20 16:25:38,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:38,692 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:38,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:38,906 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:38,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2056025809, now seen corresponding path program 1 times [2020-07-20 16:25:38,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:38,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147414155] [2020-07-20 16:25:38,908 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 16:25:39,344 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:39,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:39,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:25:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-20 16:25:39,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:39,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147414155] [2020-07-20 16:25:39,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:39,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:25:39,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122196010] [2020-07-20 16:25:39,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:25:39,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:39,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:25:39,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:39,395 INFO L87 Difference]: Start difference. First operand 1008 states and 1271 transitions. Second operand 3 states. [2020-07-20 16:25:39,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:39,477 INFO L93 Difference]: Finished difference Result 1228 states and 1546 transitions. [2020-07-20 16:25:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:25:39,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-07-20 16:25:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:39,482 INFO L225 Difference]: With dead ends: 1228 [2020-07-20 16:25:39,482 INFO L226 Difference]: Without dead ends: 586 [2020-07-20 16:25:39,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:25:39,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2020-07-20 16:25:39,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 575. [2020-07-20 16:25:39,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-07-20 16:25:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 709 transitions. [2020-07-20 16:25:39,522 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 709 transitions. Word has length 131 [2020-07-20 16:25:39,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:39,523 INFO L479 AbstractCegarLoop]: Abstraction has 575 states and 709 transitions. [2020-07-20 16:25:39,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:25:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 709 transitions. [2020-07-20 16:25:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-20 16:25:39,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:39,527 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:39,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:39,741 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:39,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:39,742 INFO L82 PathProgramCache]: Analyzing trace with hash 183103711, now seen corresponding path program 1 times [2020-07-20 16:25:39,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:39,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699425088] [2020-07-20 16:25:39,742 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 16:25:40,134 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:25:40,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:40,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:25:40,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:25:40,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:25:40,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699425088] [2020-07-20 16:25:40,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:40,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 16:25:40,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219114583] [2020-07-20 16:25:40,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 16:25:40,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:40,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 16:25:40,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-20 16:25:40,652 INFO L87 Difference]: Start difference. First operand 575 states and 709 transitions. Second operand 12 states. [2020-07-20 16:25:42,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:42,226 INFO L93 Difference]: Finished difference Result 1601 states and 2144 transitions. [2020-07-20 16:25:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:25:42,227 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147 [2020-07-20 16:25:42,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:42,234 INFO L225 Difference]: With dead ends: 1601 [2020-07-20 16:25:42,234 INFO L226 Difference]: Without dead ends: 896 [2020-07-20 16:25:42,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 282 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-20 16:25:42,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-07-20 16:25:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 739. [2020-07-20 16:25:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-07-20 16:25:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 913 transitions. [2020-07-20 16:25:42,284 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 913 transitions. Word has length 147 [2020-07-20 16:25:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:42,285 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 913 transitions. [2020-07-20 16:25:42,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 16:25:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 913 transitions. [2020-07-20 16:25:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-20 16:25:42,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:42,289 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:42,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:42,504 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:42,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1882733946, now seen corresponding path program 1 times [2020-07-20 16:25:42,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:42,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118060805] [2020-07-20 16:25:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:42,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:42,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:42,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:25:42,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:42,939 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:42,939 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:25:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 16:25:43,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:25:43,314 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:43,359 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:43,360 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:43,411 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:43,412 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:43,432 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-20 16:25:43,433 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:43,471 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:25:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 47 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-20 16:25:43,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118060805] [2020-07-20 16:25:43,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:25:43,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-20 16:25:43,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527923665] [2020-07-20 16:25:43,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-20 16:25:43,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:43,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-20 16:25:43,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:25:43,734 INFO L87 Difference]: Start difference. First operand 739 states and 913 transitions. Second operand 16 states. [2020-07-20 16:25:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:46,159 INFO L93 Difference]: Finished difference Result 2106 states and 2850 transitions. [2020-07-20 16:25:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 16:25:46,160 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 200 [2020-07-20 16:25:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:46,172 INFO L225 Difference]: With dead ends: 2106 [2020-07-20 16:25:46,172 INFO L226 Difference]: Without dead ends: 1448 [2020-07-20 16:25:46,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-20 16:25:46,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2020-07-20 16:25:46,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1160. [2020-07-20 16:25:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-07-20 16:25:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1430 transitions. [2020-07-20 16:25:46,260 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1430 transitions. Word has length 200 [2020-07-20 16:25:46,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:46,263 INFO L479 AbstractCegarLoop]: Abstraction has 1160 states and 1430 transitions. [2020-07-20 16:25:46,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-20 16:25:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1430 transitions. [2020-07-20 16:25:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-07-20 16:25:46,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:25:46,268 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:25:46,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:46,483 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:25:46,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:25:46,484 INFO L82 PathProgramCache]: Analyzing trace with hash 824895868, now seen corresponding path program 1 times [2020-07-20 16:25:46,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:25:46,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037938079] [2020-07-20 16:25:46,485 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:46,916 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:25:46,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:25:46,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 16:25:46,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:25:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 16:25:46,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:25:46,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037938079] [2020-07-20 16:25:46,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:25:46,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:25:46,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899522752] [2020-07-20 16:25:46,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:25:46,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:25:46,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:25:46,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:25:46,994 INFO L87 Difference]: Start difference. First operand 1160 states and 1430 transitions. Second operand 6 states. [2020-07-20 16:25:47,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:25:47,039 INFO L93 Difference]: Finished difference Result 1492 states and 1819 transitions. [2020-07-20 16:25:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:25:47,039 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2020-07-20 16:25:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:25:47,041 INFO L225 Difference]: With dead ends: 1492 [2020-07-20 16:25:47,041 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:25:47,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 195 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 16:25:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:25:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:25:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:25:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:25:47,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2020-07-20 16:25:47,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:25:47,046 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:25:47,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:25:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:25:47,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:25:47,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:25:47,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:25:49,152 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-07-20 16:25:49,541 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2020-07-20 16:25:49,981 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-07-20 16:25:50,223 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-20 16:25:50,404 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-07-20 16:25:50,942 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-20 16:25:51,284 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2020-07-20 16:25:51,396 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 16 [2020-07-20 16:25:51,673 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point L724(lines 701 725) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point L708(lines 708 712) no Hoare annotation was computed. [2020-07-20 16:25:51,678 INFO L268 CegarLoopResult]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point L765(lines 765 769) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point L785(lines 758 786) no Hoare annotation was computed. [2020-07-20 16:25:51,679 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:25:51,680 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 16:25:51,680 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 16:25:51,681 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:51,681 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2020-07-20 16:25:51,681 INFO L268 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-07-20 16:25:51,681 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-20 16:25:51,681 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-07-20 16:25:51,681 INFO L268 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2020-07-20 16:25:51,682 INFO L268 CegarLoopResult]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2020-07-20 16:25:51,682 INFO L271 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: true [2020-07-20 16:25:51,682 INFO L268 CegarLoopResult]: For program point L87-1(line 87) no Hoare annotation was computed. [2020-07-20 16:25:51,682 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2020-07-20 16:25:51,682 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,682 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2020-07-20 16:25:51,682 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,683 INFO L264 CegarLoopResult]: At program point L501-1(line 501) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,683 INFO L268 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2020-07-20 16:25:51,683 INFO L268 CegarLoopResult]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2020-07-20 16:25:51,683 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 16:25:51,683 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,683 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,683 INFO L264 CegarLoopResult]: At program point L495-1(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 16:25:51,684 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 16:25:51,685 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2020-07-20 16:25:51,686 INFO L264 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-20 16:25:51,686 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 16:25:51,686 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-07-20 16:25:51,686 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2020-07-20 16:25:51,686 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2020-07-20 16:25:51,686 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2020-07-20 16:25:51,686 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2020-07-20 16:25:51,686 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L271 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: true [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point L389-1(line 389) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-07-20 16:25:51,687 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point L334(lines 334 342) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point L357-1(line 357) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 16:25:51,688 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 16:25:51,688 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point L958(lines 958 978) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2020-07-20 16:25:51,689 INFO L268 CegarLoopResult]: For program point L964(lines 964 971) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2020-07-20 16:25:51,690 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: true [2020-07-20 16:25:51,690 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L264 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-20 16:25:51,691 INFO L268 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed. [2020-07-20 16:25:51,692 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2020-07-20 16:25:51,692 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:51,692 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:51,692 INFO L268 CegarLoopResult]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2020-07-20 16:25:51,692 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:25:51,692 INFO L264 CegarLoopResult]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~3)))) [2020-07-20 16:25:51,692 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2020-07-20 16:25:51,692 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2020-07-20 16:25:51,693 INFO L264 CegarLoopResult]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,693 INFO L268 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2020-07-20 16:25:51,693 INFO L268 CegarLoopResult]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2020-07-20 16:25:51,693 INFO L264 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:25:51,693 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (let ((.cse1 (<= 1 ~waterLevel~0)) (.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse1 .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 16:25:51,693 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-07-20 16:25:51,693 INFO L264 CegarLoopResult]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:51,694 INFO L268 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed. [2020-07-20 16:25:51,694 INFO L268 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed. [2020-07-20 16:25:51,694 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:51,694 INFO L268 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-07-20 16:25:51,694 INFO L268 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-07-20 16:25:51,694 INFO L264 CegarLoopResult]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:51,694 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point L918(lines 918 925) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point L912(lines 912 932) no Hoare annotation was computed. [2020-07-20 16:25:51,695 INFO L268 CegarLoopResult]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point L568(lines 568 576) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point L568-2(lines 568 576) no Hoare annotation was computed. [2020-07-20 16:25:51,696 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point L865(lines 843 866) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point L824(lines 824 840) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-20 16:25:51,697 INFO L268 CegarLoopResult]: For program point L845(lines 844 864) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L841(lines 841 882) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L819(lines 819 823) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point L883(lines 883 894) no Hoare annotation was computed. [2020-07-20 16:25:51,698 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L264 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2020-07-20 16:25:51,699 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:51,700 INFO L264 CegarLoopResult]: At program point L293(line 293) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2020-07-20 16:25:51,700 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point L370-1(line 370) no Hoare annotation was computed. [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2020-07-20 16:25:51,700 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2020-07-20 16:25:51,700 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L271 CegarLoopResult]: At program point L370(line 370) the Hoare annotation is: true [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,701 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,702 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse0 (and .cse5 .cse7 .cse3) .cse4 .cse8) (or (and .cse2 .cse5 .cse3) .cse9 .cse4 .cse1) (or .cse6 .cse9 .cse4 (and (<= 1 ~waterLevel~0) .cse5 .cse7) .cse8))) [2020-07-20 16:25:51,702 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-20 16:25:51,702 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2020-07-20 16:25:51,702 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (<= 1 ~waterLevel~0) .cse1 .cse6) .cse7) (or .cse8 (and .cse9 .cse0 .cse2) (and .cse1 .cse6 .cse2) .cse4 .cse7) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse0 .cse10) (and .cse0 .cse10 .cse1) .cse5)))) [2020-07-20 16:25:51,702 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2020-07-20 16:25:51,702 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 16:25:51,703 INFO L268 CegarLoopResult]: For program point L194(lines 193 212) no Hoare annotation was computed. [2020-07-20 16:25:51,703 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2020-07-20 16:25:51,703 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2020-07-20 16:25:51,703 INFO L271 CegarLoopResult]: At program point L443(lines 418 447) the Hoare annotation is: true [2020-07-20 16:25:51,703 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 16:25:51,703 INFO L268 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2020-07-20 16:25:51,703 INFO L271 CegarLoopResult]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2020-07-20 16:25:51,703 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 16:25:51,703 INFO L271 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2020-07-20 16:25:51,704 INFO L271 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: true [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-07-20 16:25:51,704 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2020-07-20 16:25:51,704 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2020-07-20 16:25:51,704 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2020-07-20 16:25:51,705 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2020-07-20 16:25:51,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,705 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:25:51,705 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:25:51,705 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:25:51,705 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:51,705 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2020-07-20 16:25:51,705 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:51,705 INFO L268 CegarLoopResult]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2020-07-20 16:25:51,705 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 16:25:51,705 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-20 16:25:51,705 INFO L268 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 .cse5) .cse6 .cse7) (or .cse8 .cse6 .cse1 .cse2) (or .cse3 .cse8 (and (<= 1 ~waterLevel~0) .cse4) .cse6 .cse7)))) [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2020-07-20 16:25:51,706 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2020-07-20 16:25:51,706 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2020-07-20 16:25:51,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:25:51 BoogieIcfgContainer [2020-07-20 16:25:51,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:25:51,726 INFO L168 Benchmark]: Toolchain (without parser) took 22039.41 ms. Allocated memory was 140.5 MB in the beginning and 467.1 MB in the end (delta: 326.6 MB). Free memory was 102.4 MB in the beginning and 262.7 MB in the end (delta: -160.3 MB). Peak memory consumption was 306.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,726 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 140.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.14 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 175.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,728 INFO L168 Benchmark]: Boogie Preprocessor took 90.70 ms. Allocated memory is still 206.0 MB. Free memory was 175.4 MB in the beginning and 170.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,729 INFO L168 Benchmark]: RCFGBuilder took 1138.39 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 170.6 MB in the beginning and 200.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,729 INFO L168 Benchmark]: TraceAbstraction took 20108.71 ms. Allocated memory was 239.6 MB in the beginning and 467.1 MB in the end (delta: 227.5 MB). Free memory was 198.7 MB in the beginning and 262.7 MB in the end (delta: -64.0 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:25:51,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 140.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.14 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 102.2 MB in the beginning and 175.4 MB in the end (delta: -73.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.70 ms. Allocated memory is still 206.0 MB. Free memory was 175.4 MB in the beginning and 170.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1138.39 ms. Allocated memory was 206.0 MB in the beginning and 239.6 MB in the end (delta: 33.6 MB). Free memory was 170.6 MB in the beginning and 200.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20108.71 ms. Allocated memory was 239.6 MB in the beginning and 467.1 MB in the end (delta: 227.5 MB). Free memory was 198.7 MB in the beginning and 262.7 MB in the end (delta: -64.0 MB). Peak memory consumption was 304.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2245 SDtfs, 1894 SDslu, 3732 SDs, 0 SdLazy, 3436 SolverSat, 1087 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1740 GetRequests, 1658 SyntacticMatches, 7 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1160occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 503 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2306 PreInvPairs, 2419 NumberOfFragments, 1384 HoareAnnotationTreeSize, 2306 FomulaSimplifications, 4852 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 7441 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1698 ConstructedInterpolants, 0 QuantifiedInterpolants, 429490 SizeOfPredicates, 44 NumberOfNonLiveVariables, 8729 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 382/434 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...