/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:57:17,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:57:17,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:57:17,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:57:17,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:57:17,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:57:17,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:57:17,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:57:17,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:57:17,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:57:17,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:57:17,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:57:17,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:57:17,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:57:17,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:57:17,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:57:17,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:57:17,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:57:17,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:57:17,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:57:17,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:57:17,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:57:17,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:57:17,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:57:17,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:57:17,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:57:17,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:57:17,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:57:17,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:57:17,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:57:17,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:57:17,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:57:17,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:57:17,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:57:17,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:57:17,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:57:17,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:57:17,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:57:17,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:57:17,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:57:17,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:57:17,462 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 [2020-07-19 22:57:17,481 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:57:17,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:57:17,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:57:17,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:57:17,486 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:57:17,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:57:17,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:57:17,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:57:17,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:57:17,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:57:17,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:57:17,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:57:17,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:57:17,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:57:17,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:57:17,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:57:17,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:57:17,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:57:17,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:57:17,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:57:17,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:57:17,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:57:17,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:57:17,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:57:17,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:57:17,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:57:17,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:57:17,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:57:17,812 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:57:17,815 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:57:17,815 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-19 22:57:17,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076e5c542/fbd50f58404746be97ef4b0c711472f8/FLAG66f6a8944 [2020-07-19 22:57:18,448 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:57:18,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2020-07-19 22:57:18,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076e5c542/fbd50f58404746be97ef4b0c711472f8/FLAG66f6a8944 [2020-07-19 22:57:18,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/076e5c542/fbd50f58404746be97ef4b0c711472f8 [2020-07-19 22:57:18,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:57:18,742 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:57:18,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:57:18,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:57:18,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:57:18,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:57:18" (1/1) ... [2020-07-19 22:57:18,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:18, skipping insertion in model container [2020-07-19 22:57:18,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:57:18" (1/1) ... [2020-07-19 22:57:18,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:57:18,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:57:19,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:57:19,256 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:57:19,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:57:19,394 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:57:19,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19 WrapperNode [2020-07-19 22:57:19,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:57:19,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:57:19,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:57:19,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:57:19,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (1/1) ... [2020-07-19 22:57:19,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:57:19,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:57:19,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:57:19,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:57:19,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (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 [2020-07-19 22:57:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:57:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:57:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:57:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:57:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:57:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:57:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:57:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:57:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:57:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:57:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:57:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:57:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:57:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:57:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:57:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:57:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:57:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:57:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:57:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:57:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:57:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:57:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:57:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:57:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:57:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:57:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:57:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:57:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:57:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:57:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:57:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:57:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:57:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:57:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:57:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:57:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:57:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:57:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:57:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:57:19,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:57:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:57:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:57:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:57:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:57:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:57:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:57:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:57:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:57:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:57:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:57:19,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:57:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:57:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:57:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:57:19,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:57:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:57:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:57:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:57:19,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:57:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:57:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:57:19,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:57:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:57:19,602 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:57:19,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:57:20,669 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:57:20,669 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:57:20,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:57:20 BoogieIcfgContainer [2020-07-19 22:57:20,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:57:20,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:57:20,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:57:20,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:57:20,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:57:18" (1/3) ... [2020-07-19 22:57:20,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53926480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:57:20, skipping insertion in model container [2020-07-19 22:57:20,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:57:19" (2/3) ... [2020-07-19 22:57:20,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53926480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:57:20, skipping insertion in model container [2020-07-19 22:57:20,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:57:20" (3/3) ... [2020-07-19 22:57:20,683 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2020-07-19 22:57:20,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:57:20,703 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:57:20,718 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:57:20,744 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:57:20,744 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:57:20,744 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:57:20,744 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:57:20,745 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:57:20,745 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:57:20,745 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:57:20,745 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:57:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2020-07-19 22:57:20,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:57:20,779 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:20,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:20,781 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:20,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:20,786 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times [2020-07-19 22:57:20,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:20,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356028753] [2020-07-19 22:57:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,500 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:21,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356028753] [2020-07-19 22:57:21,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:21,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:57:21,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818464053] [2020-07-19 22:57:21,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:57:21,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:21,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:57:21,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:57:21,692 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2020-07-19 22:57:22,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:22,887 INFO L93 Difference]: Finished difference Result 313 states and 401 transitions. [2020-07-19 22:57:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:57:22,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:57:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:22,904 INFO L225 Difference]: With dead ends: 313 [2020-07-19 22:57:22,904 INFO L226 Difference]: Without dead ends: 172 [2020-07-19 22:57:22,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:57:22,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-19 22:57:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 142. [2020-07-19 22:57:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-19 22:57:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2020-07-19 22:57:23,010 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2020-07-19 22:57:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:23,011 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2020-07-19 22:57:23,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:57:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2020-07-19 22:57:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:57:23,022 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:23,022 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:23,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:57:23,024 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:23,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:23,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times [2020-07-19 22:57:23,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:23,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604052263] [2020-07-19 22:57:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,383 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:23,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:23,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604052263] [2020-07-19 22:57:23,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:23,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:57:23,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699618603] [2020-07-19 22:57:23,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:57:23,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:23,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:57:23,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:57:23,443 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 5 states. [2020-07-19 22:57:23,952 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:24,863 INFO L93 Difference]: Finished difference Result 254 states and 309 transitions. [2020-07-19 22:57:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:57:24,864 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:57:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:24,868 INFO L225 Difference]: With dead ends: 254 [2020-07-19 22:57:24,868 INFO L226 Difference]: Without dead ends: 162 [2020-07-19 22:57:24,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:57:24,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-19 22:57:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-19 22:57:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-19 22:57:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2020-07-19 22:57:24,904 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2020-07-19 22:57:24,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:24,904 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2020-07-19 22:57:24,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:57:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2020-07-19 22:57:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:57:24,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:24,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:24,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:57:24,907 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:24,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:24,908 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times [2020-07-19 22:57:24,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:24,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134022784] [2020-07-19 22:57:24,909 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,332 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:25,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134022784] [2020-07-19 22:57:25,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:25,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:25,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928755466] [2020-07-19 22:57:25,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:25,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:25,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:25,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:25,444 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 9 states. [2020-07-19 22:57:25,906 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:26,194 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:26,475 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:26,710 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:27,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:27,934 INFO L93 Difference]: Finished difference Result 267 states and 328 transitions. [2020-07-19 22:57:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:57:27,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:57:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:27,940 INFO L225 Difference]: With dead ends: 267 [2020-07-19 22:57:27,940 INFO L226 Difference]: Without dead ends: 162 [2020-07-19 22:57:27,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:57:27,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-19 22:57:27,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 133. [2020-07-19 22:57:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-19 22:57:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2020-07-19 22:57:27,978 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2020-07-19 22:57:27,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:27,979 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2020-07-19 22:57:27,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2020-07-19 22:57:27,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-19 22:57:27,981 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:27,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:27,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:57:27,981 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:27,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:27,982 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times [2020-07-19 22:57:27,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:27,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028090919] [2020-07-19 22:57:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,244 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:28,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028090919] [2020-07-19 22:57:28,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:28,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:57:28,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392121991] [2020-07-19 22:57:28,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:57:28,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:28,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:57:28,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:57:28,386 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 7 states. [2020-07-19 22:57:28,799 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:30,289 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:30,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:30,833 INFO L93 Difference]: Finished difference Result 371 states and 462 transitions. [2020-07-19 22:57:30,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:57:30,834 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-07-19 22:57:30,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:30,838 INFO L225 Difference]: With dead ends: 371 [2020-07-19 22:57:30,838 INFO L226 Difference]: Without dead ends: 266 [2020-07-19 22:57:30,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:57:30,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-07-19 22:57:30,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 220. [2020-07-19 22:57:30,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-19 22:57:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2020-07-19 22:57:30,893 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2020-07-19 22:57:30,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:30,893 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2020-07-19 22:57:30,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:57:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2020-07-19 22:57:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:57:30,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:30,895 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:30,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:57:30,896 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:30,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:30,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times [2020-07-19 22:57:30,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:30,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603750232] [2020-07-19 22:57:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,163 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:31,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603750232] [2020-07-19 22:57:31,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:31,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:57:31,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226668071] [2020-07-19 22:57:31,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:57:31,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:31,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:57:31,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:57:31,327 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 11 states. [2020-07-19 22:57:32,044 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:32,289 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:32,522 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:33,220 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:33,486 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:33,729 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:34,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:34,615 INFO L93 Difference]: Finished difference Result 459 states and 566 transitions. [2020-07-19 22:57:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:57:34,616 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-07-19 22:57:34,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:34,619 INFO L225 Difference]: With dead ends: 459 [2020-07-19 22:57:34,619 INFO L226 Difference]: Without dead ends: 267 [2020-07-19 22:57:34,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:57:34,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-07-19 22:57:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 224. [2020-07-19 22:57:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-19 22:57:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2020-07-19 22:57:34,673 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2020-07-19 22:57:34,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:34,674 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2020-07-19 22:57:34,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:57:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2020-07-19 22:57:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-19 22:57:34,675 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:34,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:34,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:57:34,676 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:34,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:34,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times [2020-07-19 22:57:34,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:34,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674752951] [2020-07-19 22:57:34,678 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,044 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:57:35,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674752951] [2020-07-19 22:57:35,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:35,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:35,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742039486] [2020-07-19 22:57:35,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:35,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:35,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:35,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:35,141 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 9 states. [2020-07-19 22:57:35,555 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:36,215 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:36,894 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:37,197 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:37,671 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:37,908 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:38,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:38,531 INFO L93 Difference]: Finished difference Result 465 states and 564 transitions. [2020-07-19 22:57:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:57:38,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-07-19 22:57:38,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:38,534 INFO L225 Difference]: With dead ends: 465 [2020-07-19 22:57:38,535 INFO L226 Difference]: Without dead ends: 269 [2020-07-19 22:57:38,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:57:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-19 22:57:38,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 223. [2020-07-19 22:57:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-07-19 22:57:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2020-07-19 22:57:38,577 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2020-07-19 22:57:38,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:38,578 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2020-07-19 22:57:38,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:38,578 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2020-07-19 22:57:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:57:38,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:38,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:38,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:57:38,580 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:38,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:38,581 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times [2020-07-19 22:57:38,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:38,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032851007] [2020-07-19 22:57:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,817 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:38,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:38,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032851007] [2020-07-19 22:57:38,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:38,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:57:38,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050835335] [2020-07-19 22:57:38,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:57:38,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:38,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:57:38,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:57:38,983 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 9 states. [2020-07-19 22:57:39,954 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:40,189 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:40,448 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:40,678 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:41,421 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2020-07-19 22:57:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:57:41,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-19 22:57:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:41,424 INFO L225 Difference]: With dead ends: 463 [2020-07-19 22:57:41,424 INFO L226 Difference]: Without dead ends: 268 [2020-07-19 22:57:41,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:57:41,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-19 22:57:41,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-07-19 22:57:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-19 22:57:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2020-07-19 22:57:41,468 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2020-07-19 22:57:41,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:41,468 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2020-07-19 22:57:41,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:57:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2020-07-19 22:57:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:57:41,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:41,470 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:41,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:57:41,471 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:41,471 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times [2020-07-19 22:57:41,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:41,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265277733] [2020-07-19 22:57:41,472 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,784 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:41,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:41,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265277733] [2020-07-19 22:57:41,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:41,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:57:41,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932226880] [2020-07-19 22:57:41,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:57:41,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:41,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:57:41,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:57:41,979 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 7 states. [2020-07-19 22:57:42,542 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:43,094 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:44,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:44,818 INFO L93 Difference]: Finished difference Result 649 states and 808 transitions. [2020-07-19 22:57:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:57:44,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-07-19 22:57:44,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:44,824 INFO L225 Difference]: With dead ends: 649 [2020-07-19 22:57:44,824 INFO L226 Difference]: Without dead ends: 449 [2020-07-19 22:57:44,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:57:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-07-19 22:57:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 407. [2020-07-19 22:57:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-07-19 22:57:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 474 transitions. [2020-07-19 22:57:44,913 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 474 transitions. Word has length 93 [2020-07-19 22:57:44,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:44,914 INFO L479 AbstractCegarLoop]: Abstraction has 407 states and 474 transitions. [2020-07-19 22:57:44,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:57:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 474 transitions. [2020-07-19 22:57:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:57:44,916 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:44,916 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:44,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:57:44,916 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:44,917 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times [2020-07-19 22:57:44,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:44,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630157190] [2020-07-19 22:57:44,917 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,298 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:57:45,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630157190] [2020-07-19 22:57:45,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:57:45,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:57:45,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138128896] [2020-07-19 22:57:45,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:57:45,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:45,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:57:45,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:57:45,544 INFO L87 Difference]: Start difference. First operand 407 states and 474 transitions. Second operand 12 states. [2020-07-19 22:57:46,331 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:47,029 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:48,055 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:48,356 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:48,593 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:48,849 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:49,104 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:50,340 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:50,633 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:51,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:51,193 INFO L93 Difference]: Finished difference Result 1129 states and 1399 transitions. [2020-07-19 22:57:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:57:51,196 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-19 22:57:51,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:51,202 INFO L225 Difference]: With dead ends: 1129 [2020-07-19 22:57:51,202 INFO L226 Difference]: Without dead ends: 824 [2020-07-19 22:57:51,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:57:51,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-19 22:57:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 702. [2020-07-19 22:57:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-07-19 22:57:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 810 transitions. [2020-07-19 22:57:51,319 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 810 transitions. Word has length 97 [2020-07-19 22:57:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:51,320 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 810 transitions. [2020-07-19 22:57:51,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:57:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 810 transitions. [2020-07-19 22:57:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-19 22:57:51,323 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:57:51,323 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:57:51,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:57:51,323 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:57:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:57:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times [2020-07-19 22:57:51,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:57:51,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602824691] [2020-07-19 22:57:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:57:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,679 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:57:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 22:57:51,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602824691] [2020-07-19 22:57:51,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748832763] [2020-07-19 22:57:51,940 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47d91b41 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:57:52,579 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@47d91b41 issued 4 check-sat command(s) [2020-07-19 22:57:52,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:57:52,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:57:52,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:57:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:57:52,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:57:52,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:57:52,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240225895] [2020-07-19 22:57:52,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:57:52,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:57:52,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:57:52,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:57:52,785 INFO L87 Difference]: Start difference. First operand 702 states and 810 transitions. Second operand 20 states. [2020-07-19 22:57:53,401 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:57:53,760 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:54,020 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:54,290 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:55,006 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:55,298 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:57:55,687 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 22:57:56,367 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:56,720 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 22:57:57,886 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:57:58,167 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:58,484 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:57:59,077 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:59,476 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:00,052 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:58:00,709 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:58:00,983 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:01,483 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:02,209 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:58:02,510 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:58:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:02,773 INFO L93 Difference]: Finished difference Result 1569 states and 1869 transitions. [2020-07-19 22:58:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-19 22:58:02,774 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 159 [2020-07-19 22:58:02,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:02,781 INFO L225 Difference]: With dead ends: 1569 [2020-07-19 22:58:02,781 INFO L226 Difference]: Without dead ends: 965 [2020-07-19 22:58:02,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-19 22:58:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2020-07-19 22:58:02,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 852. [2020-07-19 22:58:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-07-19 22:58:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 989 transitions. [2020-07-19 22:58:02,954 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 989 transitions. Word has length 159 [2020-07-19 22:58:02,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:02,955 INFO L479 AbstractCegarLoop]: Abstraction has 852 states and 989 transitions. [2020-07-19 22:58:02,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:58:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 989 transitions. [2020-07-19 22:58:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-07-19 22:58:02,961 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:02,962 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 22:58:03,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:58:03,176 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash -810254798, now seen corresponding path program 1 times [2020-07-19 22:58:03,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:03,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750815698] [2020-07-19 22:58:03,177 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:58:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,530 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 84 proven. 29 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-07-19 22:58:04,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750815698] [2020-07-19 22:58:04,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110451997] [2020-07-19 22:58:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@77a3b0a1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:04,687 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@77a3b0a1 issued 3 check-sat command(s) [2020-07-19 22:58:04,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:04,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 22:58:04,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-07-19 22:58:05,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:05,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2020-07-19 22:58:05,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333077894] [2020-07-19 22:58:05,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-19 22:58:05,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-19 22:58:05,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2020-07-19 22:58:05,162 INFO L87 Difference]: Start difference. First operand 852 states and 989 transitions. Second operand 24 states. [2020-07-19 22:58:05,919 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:06,796 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:07,605 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:08,390 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:08,971 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 22:58:09,476 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-19 22:58:09,743 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:58:10,047 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:10,316 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:13,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:13,853 INFO L93 Difference]: Finished difference Result 2051 states and 2694 transitions. [2020-07-19 22:58:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 22:58:13,854 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 281 [2020-07-19 22:58:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:13,867 INFO L225 Difference]: With dead ends: 2051 [2020-07-19 22:58:13,867 INFO L226 Difference]: Without dead ends: 1250 [2020-07-19 22:58:13,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 380 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=612, Invalid=2358, Unknown=0, NotChecked=0, Total=2970 [2020-07-19 22:58:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-07-19 22:58:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 860. [2020-07-19 22:58:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-19 22:58:14,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 984 transitions. [2020-07-19 22:58:14,060 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 984 transitions. Word has length 281 [2020-07-19 22:58:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:14,061 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 984 transitions. [2020-07-19 22:58:14,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-19 22:58:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 984 transitions. [2020-07-19 22:58:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-07-19 22:58:14,066 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:14,067 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 22:58:14,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:14,281 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:14,282 INFO L82 PathProgramCache]: Analyzing trace with hash 563096766, now seen corresponding path program 1 times [2020-07-19 22:58:14,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:14,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063223962] [2020-07-19 22:58:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:58:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,579 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 94 proven. 40 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-19 22:58:15,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063223962] [2020-07-19 22:58:15,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306123818] [2020-07-19 22:58:15,094 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2fca3913 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:15,591 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2fca3913 issued 3 check-sat command(s) [2020-07-19 22:58:15,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:15,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 22:58:15,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 240 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-19 22:58:15,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:15,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 22:58:15,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128729293] [2020-07-19 22:58:15,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 22:58:15,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:15,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 22:58:15,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:58:15,818 INFO L87 Difference]: Start difference. First operand 860 states and 984 transitions. Second operand 22 states. [2020-07-19 22:58:16,799 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 22:58:17,364 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:17,861 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:18,372 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 22:58:19,360 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:20,239 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:20,838 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:21,313 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:58:22,061 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:22,942 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:23,202 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:58:24,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:24,012 INFO L93 Difference]: Finished difference Result 1668 states and 1970 transitions. [2020-07-19 22:58:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 22:58:24,013 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 293 [2020-07-19 22:58:24,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:24,018 INFO L225 Difference]: With dead ends: 1668 [2020-07-19 22:58:24,019 INFO L226 Difference]: Without dead ends: 929 [2020-07-19 22:58:24,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 22:58:24,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-07-19 22:58:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 860. [2020-07-19 22:58:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-19 22:58:24,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 981 transitions. [2020-07-19 22:58:24,222 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 981 transitions. Word has length 293 [2020-07-19 22:58:24,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:24,225 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 981 transitions. [2020-07-19 22:58:24,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 22:58:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 981 transitions. [2020-07-19 22:58:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-19 22:58:24,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:24,232 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 22:58:24,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 22:58:24,448 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:24,448 INFO L82 PathProgramCache]: Analyzing trace with hash 446395520, now seen corresponding path program 1 times [2020-07-19 22:58:24,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:24,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380146351] [2020-07-19 22:58:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:58:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,737 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-19 22:58:25,020 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380146351] [2020-07-19 22:58:25,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254068162] [2020-07-19 22:58:25,021 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2648631a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:25,436 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2648631a issued 3 check-sat command(s) [2020-07-19 22:58:25,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:25,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:58:25,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:25,605 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 22:58:25,605 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 22:58:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 241 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-19 22:58:25,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:58:25,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2020-07-19 22:58:25,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616798171] [2020-07-19 22:58:25,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-19 22:58:25,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:25,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-19 22:58:25,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:58:25,726 INFO L87 Difference]: Start difference. First operand 860 states and 981 transitions. Second operand 19 states. [2020-07-19 22:58:27,160 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:58:28,884 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:58:29,169 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:58:29,460 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-19 22:58:29,938 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 194 [2020-07-19 22:58:30,461 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 196 [2020-07-19 22:58:30,971 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:58:31,468 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 22:58:31,739 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:58:32,221 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:58:33,798 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 22:58:34,283 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 22:58:34,771 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-19 22:58:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:35,642 INFO L93 Difference]: Finished difference Result 1938 states and 2336 transitions. [2020-07-19 22:58:35,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 22:58:35,642 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 294 [2020-07-19 22:58:35,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:35,650 INFO L225 Difference]: With dead ends: 1938 [2020-07-19 22:58:35,650 INFO L226 Difference]: Without dead ends: 1174 [2020-07-19 22:58:35,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=486, Invalid=1770, Unknown=0, NotChecked=0, Total=2256 [2020-07-19 22:58:35,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2020-07-19 22:58:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 992. [2020-07-19 22:58:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2020-07-19 22:58:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1130 transitions. [2020-07-19 22:58:35,863 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1130 transitions. Word has length 294 [2020-07-19 22:58:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:35,866 INFO L479 AbstractCegarLoop]: Abstraction has 992 states and 1130 transitions. [2020-07-19 22:58:35,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-19 22:58:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1130 transitions. [2020-07-19 22:58:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-07-19 22:58:35,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:58:35,871 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 22:58:36,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:36,086 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:58:36,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:58:36,087 INFO L82 PathProgramCache]: Analyzing trace with hash 787604928, now seen corresponding path program 1 times [2020-07-19 22:58:36,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:58:36,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158916585] [2020-07-19 22:58:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40a5d3a0 [2020-07-19 22:58:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,367 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:58:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 79 proven. 12 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-07-19 22:58:36,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158916585] [2020-07-19 22:58:36,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736335732] [2020-07-19 22:58:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d5fcabc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:58:37,345 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@d5fcabc issued 3 check-sat command(s) [2020-07-19 22:58:37,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:58:37,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 22:58:37,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:58:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-07-19 22:58:37,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:58:37,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 16 [2020-07-19 22:58:37,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458536735] [2020-07-19 22:58:37,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:58:37,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:58:37,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:58:37,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:58:37,450 INFO L87 Difference]: Start difference. First operand 992 states and 1130 transitions. Second operand 6 states. [2020-07-19 22:58:37,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:58:37,556 INFO L93 Difference]: Finished difference Result 1292 states and 1459 transitions. [2020-07-19 22:58:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:58:37,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 294 [2020-07-19 22:58:37,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:58:37,557 INFO L225 Difference]: With dead ends: 1292 [2020-07-19 22:58:37,557 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:58:37,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:58:37,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:58:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:58:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:58:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:58:37,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 294 [2020-07-19 22:58:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:58:37,562 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:58:37,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:58:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:58:37,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:58:37,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 22:58:37,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:58:38,109 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-07-19 22:58:38,260 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-07-19 22:58:39,286 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 309 [2020-07-19 22:58:40,341 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 224 [2020-07-19 22:58:42,682 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 274 [2020-07-19 22:58:42,967 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 269 [2020-07-19 22:58:43,490 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 309 [2020-07-19 22:58:44,031 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 298 [2020-07-19 22:58:45,056 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-07-19 22:58:45,238 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-19 22:58:46,240 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 31 [2020-07-19 22:58:46,594 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:58:46,733 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:58:46,868 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:58:47,445 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 20 [2020-07-19 22:58:47,571 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:58:47,771 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 22:58:47,969 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 22:58:48,786 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 24 [2020-07-19 22:58:49,006 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:58:49,191 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-19 22:58:49,354 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 17 [2020-07-19 22:58:50,300 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-07-19 22:58:50,479 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2020-07-19 22:58:50,604 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2020-07-19 22:58:50,809 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-19 22:58:51,585 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 25 [2020-07-19 22:58:51,765 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 15 [2020-07-19 22:58:52,398 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-07-19 22:58:52,934 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-19 22:58:53,687 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 26 [2020-07-19 22:58:53,950 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 34 [2020-07-19 22:58:54,469 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 20 [2020-07-19 22:58:54,727 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 28 [2020-07-19 22:58:55,058 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 20 [2020-07-19 22:58:55,714 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 27 [2020-07-19 22:58:56,053 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 27 [2020-07-19 22:58:56,236 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:58:56,495 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 23 [2020-07-19 22:58:57,520 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 231 DAG size of output: 31 [2020-07-19 22:58:57,702 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:58:57,919 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-19 22:58:58,109 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-19 22:58:58,302 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:58:59,226 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 28 [2020-07-19 22:58:59,466 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 20 [2020-07-19 22:58:59,661 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:58:59,867 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:59:00,062 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-07-19 22:59:00,346 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2020-07-19 22:59:00,922 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 23 [2020-07-19 22:59:01,262 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2020-07-19 22:59:01,661 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-07-19 22:59:01,665 INFO L268 CegarLoopResult]: For program point L543(lines 520 544) no Hoare annotation was computed. [2020-07-19 22:59:01,666 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed. [2020-07-19 22:59:01,666 INFO L268 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-07-19 22:59:01,666 INFO L268 CegarLoopResult]: For program point L527-1(lines 527 531) no Hoare annotation was computed. [2020-07-19 22:59:01,666 INFO L268 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-07-19 22:59:01,667 INFO L268 CegarLoopResult]: For program point L521-2(lines 521 542) no Hoare annotation was computed. [2020-07-19 22:59:01,667 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed. [2020-07-19 22:59:01,667 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed. [2020-07-19 22:59:01,667 INFO L268 CegarLoopResult]: For program point L578-2(lines 578 603) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point L604(lines 577 605) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed. [2020-07-19 22:59:01,668 INFO L268 CegarLoopResult]: For program point L584(lines 584 588) no Hoare annotation was computed. [2020-07-19 22:59:01,669 INFO L268 CegarLoopResult]: For program point L584-1(lines 584 588) no Hoare annotation was computed. [2020-07-19 22:59:01,669 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-07-19 22:59:01,669 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-07-19 22:59:01,669 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-07-19 22:59:01,669 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-07-19 22:59:01,669 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-07-19 22:59:01,669 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-07-19 22:59:01,670 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:01,670 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2020-07-19 22:59:01,670 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2020-07-19 22:59:01,670 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)) .cse3))) [2020-07-19 22:59:01,670 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2020-07-19 22:59:01,670 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-19 22:59:01,670 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2020-07-19 22:59:01,671 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2020-07-19 22:59:01,671 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-07-19 22:59:01,671 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2020-07-19 22:59:01,671 INFO L268 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-07-19 22:59:01,671 INFO L268 CegarLoopResult]: For program point L841(lines 841 851) no Hoare annotation was computed. [2020-07-19 22:59:01,671 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0) (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (<= 1 ~pumpRunning~0)) .cse1))) [2020-07-19 22:59:01,671 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-19 22:59:01,672 INFO L268 CegarLoopResult]: For program point L837(lines 837 854) no Hoare annotation was computed. [2020-07-19 22:59:01,672 INFO L268 CegarLoopResult]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2020-07-19 22:59:01,672 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-19 22:59:01,672 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-19 22:59:01,672 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,672 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-19 22:59:01,672 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,673 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,673 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-19 22:59:01,673 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-19 22:59:01,673 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-19 22:59:01,673 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,673 INFO L264 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,674 INFO L264 CegarLoopResult]: At program point L976-1(line 976) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-07-19 22:59:01,674 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-19 22:59:01,675 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point L251(lines 251 255) no Hoare annotation was computed. [2020-07-19 22:59:01,676 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2020-07-19 22:59:01,676 INFO L271 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: true [2020-07-19 22:59:01,676 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L194-2(lines 194 202) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-19 22:59:01,677 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point L194(lines 194 202) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed. [2020-07-19 22:59:01,678 INFO L268 CegarLoopResult]: For program point L783(lines 783 790) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point L777(lines 777 797) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point L777-1(lines 777 797) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2020-07-19 22:59:01,679 INFO L264 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point L172-1(line 172) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2020-07-19 22:59:01,680 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L268 CegarLoopResult]: For program point L424(lines 424 430) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2020-07-19 22:59:01,681 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 22:59:01,681 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse1) (or .cse0 .cse2 .cse3 .cse1))) [2020-07-19 22:59:01,681 INFO L268 CegarLoopResult]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2020-07-19 22:59:01,681 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:59:01,681 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1)) .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point L134(lines 134 142) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point L132-1(line 132) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point L130(lines 130 147) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2020-07-19 22:59:01,682 INFO L264 CegarLoopResult]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2020-07-19 22:59:01,682 INFO L264 CegarLoopResult]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:59:01,682 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L264 CegarLoopResult]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0) .cse1) (and .cse0 .cse2 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L284(lines 283 330) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 ~waterLevel~0) .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 (= 0 ~pumpRunning~0) .cse1) (and .cse0 .cse2 .cse1 (<= 1 ~pumpRunning~0)))) [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L313(lines 313 326) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse3 .cse2) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L303(lines 303 309) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L264 CegarLoopResult]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 22:59:01,683 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse2) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse3 .cse2 (<= 1 ~pumpRunning~0)))) [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L293(lines 293 299) no Hoare annotation was computed. [2020-07-19 22:59:01,683 INFO L268 CegarLoopResult]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point L737(lines 737 744) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point L731(lines 731 751) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 751) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point L396(lines 396 404) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 404) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed. [2020-07-19 22:59:01,684 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L638(lines 638 642) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L702(lines 702 713) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L665(lines 665 669) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L663-2(lines 663 683) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L684(lines 662 685) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L643(lines 643 659) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L703(lines 703 710) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L664(lines 663 683) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-19 22:59:01,685 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point L660(lines 660 701) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-07-19 22:59:01,686 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,687 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-19 22:59:01,687 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,687 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2020-07-19 22:59:01,687 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2020-07-19 22:59:01,687 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:01,687 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point L232(lines 232 236) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L271 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: true [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point L230-1(line 230) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2020-07-19 22:59:01,688 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2 .cse3))) [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:59:01,689 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:59:01,690 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:59:01,690 INFO L264 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse3) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse3))) [2020-07-19 22:59:01,690 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse4 .cse5)) (.cse3 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5) .cse2) (or .cse0 .cse3 .cse1 .cse2)))) [2020-07-19 22:59:01,690 INFO L264 CegarLoopResult]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1) .cse3) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse5) (and .cse5 (<= 1 ~pumpRunning~0)) .cse4 .cse2 .cse3)))) [2020-07-19 22:59:01,690 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L264 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (or .cse0 .cse2 .cse1) (or .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point L72(lines 68 90) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point L70(lines 68 90) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2020-07-19 22:59:01,691 INFO L271 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-19 22:59:01,691 INFO L268 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-07-19 22:59:01,692 INFO L271 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2020-07-19 22:59:01,692 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-19 22:59:01,692 INFO L271 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2020-07-19 22:59:01,692 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-07-19 22:59:01,692 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-07-19 22:59:01,692 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (not (= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:59:01,692 INFO L268 CegarLoopResult]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2020-07-19 22:59:01,693 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2020-07-19 22:59:01,693 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-19 22:59:01,693 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-07-19 22:59:01,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,693 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:59:01,693 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:59:01,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:59:01,694 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2020-07-19 22:59:01,694 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)) .cse3))) [2020-07-19 22:59:01,694 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2020-07-19 22:59:01,694 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:59:01,694 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2020-07-19 22:59:01,694 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:59:01,694 INFO L268 CegarLoopResult]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2020-07-19 22:59:01,694 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:59:01,695 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:59:01,695 INFO L268 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-07-19 22:59:01,695 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:59:01,695 INFO L268 CegarLoopResult]: For program point L106-1(line 106) no Hoare annotation was computed. [2020-07-19 22:59:01,695 INFO L268 CegarLoopResult]: For program point L104(lines 104 121) no Hoare annotation was computed. [2020-07-19 22:59:01,695 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2020-07-19 22:59:01,695 INFO L268 CegarLoopResult]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2020-07-19 22:59:01,696 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 2 ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse3 .cse1) (or .cse2 .cse3 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:59:01,696 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:59:01,696 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 22:59:01,696 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 22:59:01,696 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:59:01,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:59:01 BoogieIcfgContainer [2020-07-19 22:59:01,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:59:01,717 INFO L168 Benchmark]: Toolchain (without parser) took 102976.95 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 967.8 MB). Free memory was 101.6 MB in the beginning and 921.1 MB in the end (delta: -819.6 MB). Peak memory consumption was 972.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,718 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.11 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,718 INFO L168 Benchmark]: Boogie Preprocessor took 109.76 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,719 INFO L168 Benchmark]: RCFGBuilder took 1169.37 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 192.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,719 INFO L168 Benchmark]: TraceAbstraction took 101039.50 ms. Allocated memory was 233.8 MB in the beginning and 1.1 GB in the end (delta: 871.9 MB). Free memory was 192.9 MB in the beginning and 921.1 MB in the end (delta: -728.3 MB). Peak memory consumption was 967.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:59:01,724 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.11 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.76 ms. Allocated memory is still 201.9 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1169.37 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.2 MB in the beginning and 192.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 101039.50 ms. Allocated memory was 233.8 MB in the beginning and 1.1 GB in the end (delta: 871.9 MB). Free memory was 192.9 MB in the beginning and 921.1 MB in the end (delta: -728.3 MB). Peak memory consumption was 967.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 249 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.0s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 62.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2228 SDtfs, 5297 SDslu, 4831 SDs, 0 SdLazy, 17783 SolverSat, 3990 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2405 GetRequests, 2054 SyntacticMatches, 6 SemanticMatches, 345 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3182 ImplicationChecksByTransitivity, 32.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=992occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1181 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2184 PreInvPairs, 2238 NumberOfFragments, 1768 HoareAnnotationTreeSize, 2184 FomulaSimplifications, 2931241588 FormulaSimplificationTreeSizeReduction, 6.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 13925202 FormulaSimplificationTreeSizeReductionInter, 17.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3371 NumberOfCodeBlocks, 3088 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 3352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1563879 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5439 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 2419/2561 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...