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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:01,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:01,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:01,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:01,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:01,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:01,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:01,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:01,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:01,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:01,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:01,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:01,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:01,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:01,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:01,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:01,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:01,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:01,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:01,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:01,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:01,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:01,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:01,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:01,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:01,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:01,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:01,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:01,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:01,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:01,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:01,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:01,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:01,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:01,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:01,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:01,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:01,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:01,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:01,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:01,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:01,557 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 [2019-10-15 01:20:01,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:01,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:01,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:01,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:01,581 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:01,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:01,582 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:01,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:01,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:01,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:01,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:01,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:01,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:01,583 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:01,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:01,584 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:01,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:01,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:01,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:01,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:01,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:01,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:01,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:01,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:01,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:01,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:01,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:01,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:01,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:01,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:01,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:01,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:01,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:01,913 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:01,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-10-15 01:20:01,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d2fc107/e7c9e3fa15134bf8a9524a7d173e25e6/FLAGd583ff609 [2019-10-15 01:20:02,502 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:02,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-10-15 01:20:02,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d2fc107/e7c9e3fa15134bf8a9524a7d173e25e6/FLAGd583ff609 [2019-10-15 01:20:02,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0d2fc107/e7c9e3fa15134bf8a9524a7d173e25e6 [2019-10-15 01:20:02,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:02,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:02,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:02,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:02,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:02,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:02" (1/1) ... [2019-10-15 01:20:02,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3a515f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:02, skipping insertion in model container [2019-10-15 01:20:02,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:02" (1/1) ... [2019-10-15 01:20:02,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:02,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:03,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:03,362 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:03,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:03,475 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:03,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03 WrapperNode [2019-10-15 01:20:03,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:03,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:03,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:03,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:03,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (1/1) ... [2019-10-15 01:20:03,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:03,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:03,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:03,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:03,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (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 [2019-10-15 01:20:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:04,725 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:04,726 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:04 BoogieIcfgContainer [2019-10-15 01:20:04,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:04,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:04,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:04,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:04,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:02" (1/3) ... [2019-10-15 01:20:04,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50762780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:04, skipping insertion in model container [2019-10-15 01:20:04,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:03" (2/3) ... [2019-10-15 01:20:04,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50762780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:04, skipping insertion in model container [2019-10-15 01:20:04,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:04" (3/3) ... [2019-10-15 01:20:04,737 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-10-15 01:20:04,748 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:04,757 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:04,769 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:04,797 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:04,797 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:04,798 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:04,798 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:04,798 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:04,798 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:04,799 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:04,799 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states. [2019-10-15 01:20:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:04,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:04,833 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:04,835 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:04,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:04,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2111020078, now seen corresponding path program 1 times [2019-10-15 01:20:04,850 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:04,851 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349631305] [2019-10-15 01:20:04,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:04,851 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:04,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:05,184 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349631305] [2019-10-15 01:20:05,188 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:05,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:05,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7339799] [2019-10-15 01:20:05,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:05,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:05,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:05,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:05,216 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 2 states. [2019-10-15 01:20:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:05,270 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2019-10-15 01:20:05,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:05,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:05,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:05,286 INFO L225 Difference]: With dead ends: 286 [2019-10-15 01:20:05,286 INFO L226 Difference]: Without dead ends: 145 [2019-10-15 01:20:05,291 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:05,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-15 01:20:05,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-15 01:20:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-15 01:20:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2019-10-15 01:20:05,352 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2019-10-15 01:20:05,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:05,353 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2019-10-15 01:20:05,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2019-10-15 01:20:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:05,357 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:05,357 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:05,358 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:05,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1832052429, now seen corresponding path program 1 times [2019-10-15 01:20:05,359 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:05,359 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686689252] [2019-10-15 01:20:05,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,359 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:05,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686689252] [2019-10-15 01:20:05,462 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:05,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:05,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312831102] [2019-10-15 01:20:05,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:05,465 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:05,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:05,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:05,465 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2019-10-15 01:20:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:05,490 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-10-15 01:20:05,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:05,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:05,493 INFO L225 Difference]: With dead ends: 235 [2019-10-15 01:20:05,493 INFO L226 Difference]: Without dead ends: 136 [2019-10-15 01:20:05,495 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-15 01:20:05,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-15 01:20:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-15 01:20:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2019-10-15 01:20:05,511 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2019-10-15 01:20:05,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:05,512 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2019-10-15 01:20:05,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2019-10-15 01:20:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:20:05,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:05,515 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:05,515 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:05,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:05,516 INFO L82 PathProgramCache]: Analyzing trace with hash -761941703, now seen corresponding path program 1 times [2019-10-15 01:20:05,516 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:05,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-15 01:20:05,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,517 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:05,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:05,707 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342627702] [2019-10-15 01:20:05,707 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:05,707 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:05,708 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038940282] [2019-10-15 01:20:05,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:05,710 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:05,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:05,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:05,711 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2019-10-15 01:20:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:06,081 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2019-10-15 01:20:06,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:06,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:20:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:06,085 INFO L225 Difference]: With dead ends: 244 [2019-10-15 01:20:06,085 INFO L226 Difference]: Without dead ends: 136 [2019-10-15 01:20:06,087 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-15 01:20:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-15 01:20:06,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-15 01:20:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2019-10-15 01:20:06,103 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2019-10-15 01:20:06,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:06,104 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2019-10-15 01:20:06,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2019-10-15 01:20:06,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-15 01:20:06,107 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:06,107 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:06,108 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:06,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:06,109 INFO L82 PathProgramCache]: Analyzing trace with hash -505794736, now seen corresponding path program 1 times [2019-10-15 01:20:06,110 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:06,110 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369866046] [2019-10-15 01:20:06,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:06,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369866046] [2019-10-15 01:20:06,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:06,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:06,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253149002] [2019-10-15 01:20:06,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:06,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:06,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:06,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:06,279 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2019-10-15 01:20:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:06,819 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2019-10-15 01:20:06,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:06,819 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-10-15 01:20:06,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:06,822 INFO L225 Difference]: With dead ends: 342 [2019-10-15 01:20:06,823 INFO L226 Difference]: Without dead ends: 234 [2019-10-15 01:20:06,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:06,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-10-15 01:20:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2019-10-15 01:20:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-15 01:20:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2019-10-15 01:20:06,850 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2019-10-15 01:20:06,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:06,851 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2019-10-15 01:20:06,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2019-10-15 01:20:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 01:20:06,854 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:06,854 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:06,854 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:06,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:06,855 INFO L82 PathProgramCache]: Analyzing trace with hash -210026842, now seen corresponding path program 1 times [2019-10-15 01:20:06,855 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:06,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223464615] [2019-10-15 01:20:06,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:06,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:07,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223464615] [2019-10-15 01:20:07,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:07,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:07,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574861589] [2019-10-15 01:20:07,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:07,005 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:07,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:07,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:07,007 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 6 states. [2019-10-15 01:20:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:07,269 INFO L93 Difference]: Finished difference Result 574 states and 680 transitions. [2019-10-15 01:20:07,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:07,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-10-15 01:20:07,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:07,276 INFO L225 Difference]: With dead ends: 574 [2019-10-15 01:20:07,277 INFO L226 Difference]: Without dead ends: 386 [2019-10-15 01:20:07,278 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-15 01:20:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 380. [2019-10-15 01:20:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2019-10-15 01:20:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 436 transitions. [2019-10-15 01:20:07,314 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 436 transitions. Word has length 83 [2019-10-15 01:20:07,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:07,314 INFO L462 AbstractCegarLoop]: Abstraction has 380 states and 436 transitions. [2019-10-15 01:20:07,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 436 transitions. [2019-10-15 01:20:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:20:07,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:07,316 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:07,317 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:07,317 INFO L82 PathProgramCache]: Analyzing trace with hash -910798134, now seen corresponding path program 1 times [2019-10-15 01:20:07,317 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:07,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899335739] [2019-10-15 01:20:07,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:07,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:07,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899335739] [2019-10-15 01:20:07,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:07,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:07,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127435939] [2019-10-15 01:20:07,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:07,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:07,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:07,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:07,462 INFO L87 Difference]: Start difference. First operand 380 states and 436 transitions. Second operand 7 states. [2019-10-15 01:20:08,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,146 INFO L93 Difference]: Finished difference Result 761 states and 896 transitions. [2019-10-15 01:20:08,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:08,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-15 01:20:08,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,150 INFO L225 Difference]: With dead ends: 761 [2019-10-15 01:20:08,150 INFO L226 Difference]: Without dead ends: 409 [2019-10-15 01:20:08,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-10-15 01:20:08,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 379. [2019-10-15 01:20:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-15 01:20:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2019-10-15 01:20:08,180 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 87 [2019-10-15 01:20:08,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:08,181 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2019-10-15 01:20:08,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2019-10-15 01:20:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:08,188 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:08,189 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:08,189 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:08,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:08,189 INFO L82 PathProgramCache]: Analyzing trace with hash -777270984, now seen corresponding path program 1 times [2019-10-15 01:20:08,190 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:08,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180720928] [2019-10-15 01:20:08,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:08,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180720928] [2019-10-15 01:20:08,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:08,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:08,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775844280] [2019-10-15 01:20:08,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:08,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:08,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:08,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:08,279 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 6 states. [2019-10-15 01:20:08,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,319 INFO L93 Difference]: Finished difference Result 744 states and 870 transitions. [2019-10-15 01:20:08,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:08,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:20:08,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,323 INFO L225 Difference]: With dead ends: 744 [2019-10-15 01:20:08,324 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 01:20:08,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:08,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 01:20:08,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-10-15 01:20:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-15 01:20:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 443 transitions. [2019-10-15 01:20:08,356 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 443 transitions. Word has length 103 [2019-10-15 01:20:08,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:08,357 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 443 transitions. [2019-10-15 01:20:08,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 443 transitions. [2019-10-15 01:20:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:08,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:08,361 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:08,361 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:08,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:08,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1151001718, now seen corresponding path program 1 times [2019-10-15 01:20:08,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:08,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136222737] [2019-10-15 01:20:08,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:08,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136222737] [2019-10-15 01:20:08,495 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:08,495 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:08,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438707930] [2019-10-15 01:20:08,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:08,496 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:08,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:08,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:08,497 INFO L87 Difference]: Start difference. First operand 389 states and 443 transitions. Second operand 8 states. [2019-10-15 01:20:08,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,540 INFO L93 Difference]: Finished difference Result 764 states and 892 transitions. [2019-10-15 01:20:08,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:08,541 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:20:08,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,544 INFO L225 Difference]: With dead ends: 764 [2019-10-15 01:20:08,545 INFO L226 Difference]: Without dead ends: 403 [2019-10-15 01:20:08,546 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:08,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-15 01:20:08,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-10-15 01:20:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-15 01:20:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 451 transitions. [2019-10-15 01:20:08,568 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 451 transitions. Word has length 103 [2019-10-15 01:20:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:08,569 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 451 transitions. [2019-10-15 01:20:08,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 451 transitions. [2019-10-15 01:20:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:08,572 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:08,572 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:08,572 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:08,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:08,573 INFO L82 PathProgramCache]: Analyzing trace with hash 910461589, now seen corresponding path program 1 times [2019-10-15 01:20:08,573 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:08,573 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561110997] [2019-10-15 01:20:08,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,573 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:08,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:08,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561110997] [2019-10-15 01:20:08,677 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:08,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:08,678 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619246358] [2019-10-15 01:20:08,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:08,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:08,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:08,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:08,679 INFO L87 Difference]: Start difference. First operand 397 states and 451 transitions. Second operand 4 states. [2019-10-15 01:20:08,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:08,922 INFO L93 Difference]: Finished difference Result 1162 states and 1390 transitions. [2019-10-15 01:20:08,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:08,923 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:20:08,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:08,928 INFO L225 Difference]: With dead ends: 1162 [2019-10-15 01:20:08,929 INFO L226 Difference]: Without dead ends: 793 [2019-10-15 01:20:08,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:08,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-10-15 01:20:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 778. [2019-10-15 01:20:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 778 states. [2019-10-15 01:20:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 778 states and 911 transitions. [2019-10-15 01:20:08,999 INFO L78 Accepts]: Start accepts. Automaton has 778 states and 911 transitions. Word has length 103 [2019-10-15 01:20:09,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:09,000 INFO L462 AbstractCegarLoop]: Abstraction has 778 states and 911 transitions. [2019-10-15 01:20:09,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 911 transitions. [2019-10-15 01:20:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:20:09,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:09,003 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:09,003 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:09,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:09,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1450576315, now seen corresponding path program 1 times [2019-10-15 01:20:09,004 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:09,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898492871] [2019-10-15 01:20:09,004 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,004 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:09,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:09,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898492871] [2019-10-15 01:20:09,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206069668] [2019-10-15 01:20:09,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-10-15 01:20:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:09,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:09,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:09,540 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:10,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:10,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:10,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084232174] [2019-10-15 01:20:10,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:10,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:10,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:10,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:10,654 INFO L87 Difference]: Start difference. First operand 778 states and 911 transitions. Second operand 8 states. [2019-10-15 01:20:10,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:10,957 INFO L93 Difference]: Finished difference Result 1499 states and 1766 transitions. [2019-10-15 01:20:10,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:10,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:20:10,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:10,962 INFO L225 Difference]: With dead ends: 1499 [2019-10-15 01:20:10,962 INFO L226 Difference]: Without dead ends: 749 [2019-10-15 01:20:10,965 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:10,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2019-10-15 01:20:11,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2019-10-15 01:20:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2019-10-15 01:20:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 863 transitions. [2019-10-15 01:20:11,024 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 863 transitions. Word has length 107 [2019-10-15 01:20:11,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:11,024 INFO L462 AbstractCegarLoop]: Abstraction has 749 states and 863 transitions. [2019-10-15 01:20:11,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:11,024 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 863 transitions. [2019-10-15 01:20:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 01:20:11,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,029 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:11,235 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:11,236 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1405061148, now seen corresponding path program 1 times [2019-10-15 01:20:11,237 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040894679] [2019-10-15 01:20:11,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,239 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:20:11,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040894679] [2019-10-15 01:20:11,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159475250] [2019-10-15 01:20:11,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-10-15 01:20:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:20:11,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:11,666 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:20:11,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:11,957 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-15 01:20:11,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106963643] [2019-10-15 01:20:11,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:11,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:11,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:11,959 INFO L87 Difference]: Start difference. First operand 749 states and 863 transitions. Second operand 5 states. [2019-10-15 01:20:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,596 INFO L93 Difference]: Finished difference Result 1560 states and 1894 transitions. [2019-10-15 01:20:12,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:12,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-10-15 01:20:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,604 INFO L225 Difference]: With dead ends: 1560 [2019-10-15 01:20:12,604 INFO L226 Difference]: Without dead ends: 959 [2019-10-15 01:20:12,606 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 328 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2019-10-15 01:20:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 897. [2019-10-15 01:20:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2019-10-15 01:20:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1056 transitions. [2019-10-15 01:20:12,660 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1056 transitions. Word has length 164 [2019-10-15 01:20:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,661 INFO L462 AbstractCegarLoop]: Abstraction has 897 states and 1056 transitions. [2019-10-15 01:20:12,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1056 transitions. [2019-10-15 01:20:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:20:12,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,665 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:12,869 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:12,870 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,870 INFO L82 PathProgramCache]: Analyzing trace with hash 675241674, now seen corresponding path program 1 times [2019-10-15 01:20:12,870 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161441497] [2019-10-15 01:20:12,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,950 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:20:12,951 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161441497] [2019-10-15 01:20:12,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:12,951 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654000983] [2019-10-15 01:20:12,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:12,952 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:12,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:12,953 INFO L87 Difference]: Start difference. First operand 897 states and 1056 transitions. Second operand 3 states. [2019-10-15 01:20:13,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,022 INFO L93 Difference]: Finished difference Result 1454 states and 1750 transitions. [2019-10-15 01:20:13,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:13,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 01:20:13,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,032 INFO L225 Difference]: With dead ends: 1454 [2019-10-15 01:20:13,032 INFO L226 Difference]: Without dead ends: 1451 [2019-10-15 01:20:13,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:13,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2019-10-15 01:20:13,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1044. [2019-10-15 01:20:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-10-15 01:20:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1255 transitions. [2019-10-15 01:20:13,137 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1255 transitions. Word has length 160 [2019-10-15 01:20:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:13,138 INFO L462 AbstractCegarLoop]: Abstraction has 1044 states and 1255 transitions. [2019-10-15 01:20:13,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1255 transitions. [2019-10-15 01:20:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-15 01:20:13,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,147 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:20:13,148 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1113638304, now seen corresponding path program 1 times [2019-10-15 01:20:13,149 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602972067] [2019-10-15 01:20:13,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,150 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:13,474 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602972067] [2019-10-15 01:20:13,474 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772505991] [2019-10-15 01:20:13,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-10-15 01:20:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:13,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:13,814 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:20:13,857 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:14,115 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:14,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:14,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:14,199 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:14,230 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:14,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [936552127] [2019-10-15 01:20:14,456 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 221 [2019-10-15 01:20:14,506 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:14,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:14,587 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:14,589 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:20:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,594 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:14,737 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:14,738 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:14,746 INFO L553 sIntCurrentIteration]: We unified 219 AI predicates to 219 [2019-10-15 01:20:14,747 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:14,748 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:14,748 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-10-15 01:20:14,749 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715605829] [2019-10-15 01:20:14,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:14,753 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,753 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:14,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:14,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,754 INFO L87 Difference]: Start difference. First operand 1044 states and 1255 transitions. Second operand 2 states. [2019-10-15 01:20:14,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,766 INFO L93 Difference]: Finished difference Result 1044 states and 1255 transitions. [2019-10-15 01:20:14,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:14,767 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 220 [2019-10-15 01:20:14,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,769 INFO L225 Difference]: With dead ends: 1044 [2019-10-15 01:20:14,769 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:14,772 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:14,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:14,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:14,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2019-10-15 01:20:14,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,773 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:14,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:14,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:14,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:14,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:15,388 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 700) no Hoare annotation was computed. [2019-10-15 01:20:15,389 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 700) no Hoare annotation was computed. [2019-10-15 01:20:15,389 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-15 01:20:15,389 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 665 720) no Hoare annotation was computed. [2019-10-15 01:20:15,389 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 711) no Hoare annotation was computed. [2019-10-15 01:20:15,390 INFO L443 ceAbstractionStarter]: For program point L712(lines 689 713) no Hoare annotation was computed. [2019-10-15 01:20:15,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 665 720) no Hoare annotation was computed. [2019-10-15 01:20:15,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 665 720) no Hoare annotation was computed. [2019-10-15 01:20:15,390 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-15 01:20:15,390 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 721 780) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point L753-1(lines 753 757) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 721 780) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 721 780) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point L747-2(lines 747 772) no Hoare annotation was computed. [2019-10-15 01:20:15,391 INFO L443 ceAbstractionStarter]: For program point L773(lines 746 774) no Hoare annotation was computed. [2019-10-15 01:20:15,392 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-15 01:20:15,392 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-15 01:20:15,392 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:15,392 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-15 01:20:15,393 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-15 01:20:15,393 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: true [2019-10-15 01:20:15,393 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2019-10-15 01:20:15,393 INFO L446 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: true [2019-10-15 01:20:15,393 INFO L446 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: true [2019-10-15 01:20:15,393 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2019-10-15 01:20:15,395 INFO L443 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2019-10-15 01:20:15,395 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-15 01:20:15,395 INFO L446 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2019-10-15 01:20:15,395 INFO L446 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: true [2019-10-15 01:20:15,396 INFO L446 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: true [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 222 245) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 222 245) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 222 245) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2019-10-15 01:20:15,396 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L236(line 236) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L235(line 235) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L230(line 230) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-15 01:20:15,397 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2019-10-15 01:20:15,398 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 488) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L503-1(line 503) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 473 508) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L492(lines 492 500) no Hoare annotation was computed. [2019-10-15 01:20:15,399 INFO L443 ceAbstractionStarter]: For program point L492-2(lines 492 500) no Hoare annotation was computed. [2019-10-15 01:20:15,400 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 473 508) no Hoare annotation was computed. [2019-10-15 01:20:15,400 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 473 508) no Hoare annotation was computed. [2019-10-15 01:20:15,400 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-15 01:20:15,400 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-15 01:20:15,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 619 664) no Hoare annotation was computed. [2019-10-15 01:20:15,400 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 619 664) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 619 664) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 932 977) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point L952(lines 952 959) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 966) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point L946-1(lines 946 966) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 932 977) no Hoare annotation was computed. [2019-10-15 01:20:15,401 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 932 977) no Hoare annotation was computed. [2019-10-15 01:20:15,402 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: true [2019-10-15 01:20:15,402 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2019-10-15 01:20:15,402 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2019-10-15 01:20:15,402 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-15 01:20:15,402 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2019-10-15 01:20:15,402 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2019-10-15 01:20:15,402 INFO L446 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2019-10-15 01:20:15,402 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-15 01:20:15,402 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: true [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L446 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: true [2019-10-15 01:20:15,403 INFO L443 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2019-10-15 01:20:15,403 INFO L446 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: true [2019-10-15 01:20:15,404 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2019-10-15 01:20:15,404 INFO L446 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2019-10-15 01:20:15,404 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: true [2019-10-15 01:20:15,404 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2019-10-15 01:20:15,404 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-10-15 01:20:15,404 INFO L443 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2019-10-15 01:20:15,404 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2019-10-15 01:20:15,404 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2019-10-15 01:20:15,404 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2019-10-15 01:20:15,405 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2019-10-15 01:20:15,405 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: true [2019-10-15 01:20:15,405 INFO L446 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: true [2019-10-15 01:20:15,405 INFO L446 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: true [2019-10-15 01:20:15,405 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2019-10-15 01:20:15,405 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2019-10-15 01:20:15,405 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2019-10-15 01:20:15,405 INFO L443 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2019-10-15 01:20:15,405 INFO L446 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: true [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2019-10-15 01:20:15,406 INFO L446 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: true [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2019-10-15 01:20:15,406 INFO L446 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: true [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2019-10-15 01:20:15,406 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 886 931) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 886 931) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 886 931) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point L906(lines 906 913) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 920) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point L900-1(lines 900 920) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: true [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2019-10-15 01:20:15,407 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L446 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: true [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2019-10-15 01:20:15,408 INFO L443 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L446 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: true [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: true [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:20:15,409 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: true [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 783 885) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point L832-2(lines 832 852) no Hoare annotation was computed. [2019-10-15 01:20:15,410 INFO L443 ceAbstractionStarter]: For program point L853(lines 831 854) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 828) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 879) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 783 885) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L833(lines 832 852) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 870) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 783 885) no Hoare annotation was computed. [2019-10-15 01:20:15,411 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point L848-1(line 848) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 882) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 838) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,412 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:20:15,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,413 INFO L446 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: true [2019-10-15 01:20:15,413 INFO L443 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2019-10-15 01:20:15,413 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2019-10-15 01:20:15,413 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: true [2019-10-15 01:20:15,413 INFO L446 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2019-10-15 01:20:15,413 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2019-10-15 01:20:15,413 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2019-10-15 01:20:15,414 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2019-10-15 01:20:15,414 INFO L446 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: true [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,415 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2019-10-15 01:20:15,416 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2019-10-15 01:20:15,416 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2019-10-15 01:20:15,416 INFO L446 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: true [2019-10-15 01:20:15,416 INFO L446 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: true [2019-10-15 01:20:15,416 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-15 01:20:15,416 INFO L443 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2019-10-15 01:20:15,416 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: true [2019-10-15 01:20:15,416 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2019-10-15 01:20:15,416 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2019-10-15 01:20:15,417 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2019-10-15 01:20:15,417 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2019-10-15 01:20:15,417 INFO L446 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2019-10-15 01:20:15,417 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-15 01:20:15,417 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2019-10-15 01:20:15,417 INFO L446 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2019-10-15 01:20:15,417 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-15 01:20:15,417 INFO L446 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2019-10-15 01:20:15,418 INFO L446 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2019-10-15 01:20:15,418 INFO L443 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2019-10-15 01:20:15,418 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2019-10-15 01:20:15,418 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2019-10-15 01:20:15,418 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2019-10-15 01:20:15,418 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2019-10-15 01:20:15,418 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2019-10-15 01:20:15,418 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,418 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:15,418 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:15,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:15,419 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: true [2019-10-15 01:20:15,419 INFO L446 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: true [2019-10-15 01:20:15,419 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2019-10-15 01:20:15,419 INFO L446 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: true [2019-10-15 01:20:15,419 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-10-15 01:20:15,419 INFO L446 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: true [2019-10-15 01:20:15,419 INFO L443 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2019-10-15 01:20:15,419 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2019-10-15 01:20:15,419 INFO L446 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: true [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2019-10-15 01:20:15,420 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: true [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2019-10-15 01:20:15,420 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-10-15 01:20:15,420 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2019-10-15 01:20:15,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:15 BoogieIcfgContainer [2019-10-15 01:20:15,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:15,433 INFO L168 Benchmark]: Toolchain (without parser) took 12615.42 ms. Allocated memory was 136.8 MB in the beginning and 439.4 MB in the end (delta: 302.5 MB). Free memory was 101.3 MB in the beginning and 217.0 MB in the end (delta: -115.7 MB). Peak memory consumption was 186.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,434 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.73 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 167.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,435 INFO L168 Benchmark]: Boogie Preprocessor took 90.55 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,436 INFO L168 Benchmark]: RCFGBuilder took 1159.84 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.3 MB in the beginning and 192.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,437 INFO L168 Benchmark]: TraceAbstraction took 10701.56 ms. Allocated memory was 231.7 MB in the beginning and 439.4 MB in the end (delta: 207.6 MB). Free memory was 192.8 MB in the beginning and 217.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 183.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:15,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.73 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 167.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.55 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1159.84 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 163.3 MB in the beginning and 192.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10701.56 ms. Allocated memory was 231.7 MB in the beginning and 439.4 MB in the end (delta: 207.6 MB). Free memory was 192.8 MB in the beginning and 217.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 183.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. Result: SAFE, OverallTime: 10.6s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 2204 SDtfs, 1236 SDslu, 4096 SDs, 0 SdLazy, 1696 SolverSat, 357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 878 GetRequests, 791 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1044occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 548 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 1808 PreInvPairs, 1809 NumberOfFragments, 71 HoareAnnotationTreeSize, 1808 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1849 NumberOfCodeBlocks, 1849 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2321 ConstructedInterpolants, 0 QuantifiedInterpolants, 572021 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2803 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 458/541 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 139, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7351598173515982, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...