/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -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_spec5_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:53,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:53,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:53,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:53,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:53,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:53,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:53,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:53,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:53,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:53,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:53,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:53,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:53,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:53,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:53,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:53,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:53,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:53,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:53,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:53,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:53,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:53,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:53,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:53,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:53,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:53,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:53,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:53,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:53,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:53,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:53,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:53,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:53,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:53,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:53,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:53,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:53,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:53,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:53,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:53,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:53,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:02:53,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:53,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:53,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:53,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:53,443 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:53,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:53,446 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:53,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:53,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:53,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:53,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:53,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:53,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:53,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:53,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:53,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:53,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:53,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:53,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:53,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:53,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:53,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:53,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:53,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:53,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:53,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:53,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:53,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:53,451 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 [2019-11-07 01:02:53,732 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:53,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:53,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:53,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:53,749 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:53,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-11-07 01:02:53,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/258f9c70a/fb40f1d2f831459391462891e1d4cc41/FLAGe746f15be [2019-11-07 01:02:54,360 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:54,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2019-11-07 01:02:54,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/258f9c70a/fb40f1d2f831459391462891e1d4cc41/FLAGe746f15be [2019-11-07 01:02:54,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/258f9c70a/fb40f1d2f831459391462891e1d4cc41 [2019-11-07 01:02:54,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:54,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:54,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:54,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:54,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:54,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:54" (1/1) ... [2019-11-07 01:02:54,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470611c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:54, skipping insertion in model container [2019-11-07 01:02:54,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:54" (1/1) ... [2019-11-07 01:02:54,689 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:54,738 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:55,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:55,250 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:55,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:55,376 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:55,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55 WrapperNode [2019-11-07 01:02:55,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:55,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:55,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:55,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:55,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... [2019-11-07 01:02:55,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:55,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:55,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:55,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:55,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:02:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:55,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:55,547 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:55,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:55,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:55,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:55,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:55,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:55,555 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:55,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:55,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:56,623 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:56,623 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:56,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:56 BoogieIcfgContainer [2019-11-07 01:02:56,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:56,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:56,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:56,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:56,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:54" (1/3) ... [2019-11-07 01:02:56,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:56, skipping insertion in model container [2019-11-07 01:02:56,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:55" (2/3) ... [2019-11-07 01:02:56,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:56, skipping insertion in model container [2019-11-07 01:02:56,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:56" (3/3) ... [2019-11-07 01:02:56,636 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2019-11-07 01:02:56,647 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:56,655 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:56,667 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:56,702 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:56,703 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:56,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:56,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:56,703 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:56,703 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:56,704 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:56,704 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-11-07 01:02:56,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:02:56,742 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:56,743 INFO L410 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] [2019-11-07 01:02:56,745 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:56,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:56,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1109188308, now seen corresponding path program 1 times [2019-11-07 01:02:56,763 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:56,763 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994548551] [2019-11-07 01:02:56,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:57,134 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994548551] [2019-11-07 01:02:57,135 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:57,135 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:02:57,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628160576] [2019-11-07 01:02:57,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:02:57,144 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:57,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:02:57,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:02:57,163 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-11-07 01:02:57,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:57,208 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2019-11-07 01:02:57,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:02:57,209 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:02:57,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:57,223 INFO L225 Difference]: With dead ends: 276 [2019-11-07 01:02:57,224 INFO L226 Difference]: Without dead ends: 140 [2019-11-07 01:02:57,229 INFO L630 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 [2019-11-07 01:02:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-11-07 01:02:57,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-11-07 01:02:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-07 01:02:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2019-11-07 01:02:57,287 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 59 [2019-11-07 01:02:57,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:57,288 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2019-11-07 01:02:57,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:02:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2019-11-07 01:02:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:02:57,292 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:57,293 INFO L410 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] [2019-11-07 01:02:57,293 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:57,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:57,293 INFO L82 PathProgramCache]: Analyzing trace with hash 813843432, now seen corresponding path program 1 times [2019-11-07 01:02:57,294 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:57,294 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391095542] [2019-11-07 01:02:57,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:57,446 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391095542] [2019-11-07 01:02:57,446 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:57,447 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:02:57,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194441989] [2019-11-07 01:02:57,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:02:57,450 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:57,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:02:57,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:02:57,451 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2019-11-07 01:02:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:57,483 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-11-07 01:02:57,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:02:57,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:02:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:57,487 INFO L225 Difference]: With dead ends: 221 [2019-11-07 01:02:57,487 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 01:02:57,489 INFO L630 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 [2019-11-07 01:02:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 01:02:57,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 01:02:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 01:02:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-11-07 01:02:57,504 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 60 [2019-11-07 01:02:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:57,505 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-11-07 01:02:57,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:02:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-11-07 01:02:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:02:57,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:57,511 INFO L410 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] [2019-11-07 01:02:57,511 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:57,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:57,515 INFO L82 PathProgramCache]: Analyzing trace with hash 605286682, now seen corresponding path program 1 times [2019-11-07 01:02:57,515 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:57,515 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692887300] [2019-11-07 01:02:57,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:57,746 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692887300] [2019-11-07 01:02:57,746 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:57,747 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:57,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236897033] [2019-11-07 01:02:57,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:57,748 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:57,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:57,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:57,749 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 7 states. [2019-11-07 01:02:58,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:58,145 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2019-11-07 01:02:58,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:58,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:02:58,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:58,149 INFO L225 Difference]: With dead ends: 234 [2019-11-07 01:02:58,150 INFO L226 Difference]: Without dead ends: 131 [2019-11-07 01:02:58,151 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:02:58,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-07 01:02:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-07 01:02:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 01:02:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 150 transitions. [2019-11-07 01:02:58,198 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 150 transitions. Word has length 65 [2019-11-07 01:02:58,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:58,200 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 150 transitions. [2019-11-07 01:02:58,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:58,201 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 150 transitions. [2019-11-07 01:02:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 01:02:58,204 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:58,204 INFO L410 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] [2019-11-07 01:02:58,204 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:58,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:58,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1239264208, now seen corresponding path program 1 times [2019-11-07 01:02:58,205 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:58,205 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48648331] [2019-11-07 01:02:58,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:58,345 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48648331] [2019-11-07 01:02:58,346 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:58,346 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:02:58,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115951575] [2019-11-07 01:02:58,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:02:58,349 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:58,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:02:58,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:02:58,350 INFO L87 Difference]: Start difference. First operand 131 states and 150 transitions. Second operand 5 states. [2019-11-07 01:02:58,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:58,902 INFO L93 Difference]: Finished difference Result 340 states and 409 transitions. [2019-11-07 01:02:58,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:02:58,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-11-07 01:02:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:58,906 INFO L225 Difference]: With dead ends: 340 [2019-11-07 01:02:58,906 INFO L226 Difference]: Without dead ends: 237 [2019-11-07 01:02:58,908 INFO L630 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 [2019-11-07 01:02:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2019-11-07 01:02:58,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 218. [2019-11-07 01:02:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-11-07 01:02:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 249 transitions. [2019-11-07 01:02:58,933 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 249 transitions. Word has length 78 [2019-11-07 01:02:58,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:58,934 INFO L462 AbstractCegarLoop]: Abstraction has 218 states and 249 transitions. [2019-11-07 01:02:58,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:02:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 249 transitions. [2019-11-07 01:02:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 01:02:58,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:58,937 INFO L410 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] [2019-11-07 01:02:58,937 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:58,938 INFO L82 PathProgramCache]: Analyzing trace with hash 462053503, now seen corresponding path program 1 times [2019-11-07 01:02:58,938 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:58,938 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274597213] [2019-11-07 01:02:58,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:59,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:02:59,106 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274597213] [2019-11-07 01:02:59,107 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:59,107 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:02:59,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668931197] [2019-11-07 01:02:59,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:02:59,108 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:59,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:02:59,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:02:59,109 INFO L87 Difference]: Start difference. First operand 218 states and 249 transitions. Second operand 7 states. [2019-11-07 01:02:59,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:59,736 INFO L93 Difference]: Finished difference Result 426 states and 503 transitions. [2019-11-07 01:02:59,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:02:59,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-11-07 01:02:59,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:59,740 INFO L225 Difference]: With dead ends: 426 [2019-11-07 01:02:59,740 INFO L226 Difference]: Without dead ends: 236 [2019-11-07 01:02:59,741 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:02:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-11-07 01:02:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2019-11-07 01:02:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-11-07 01:02:59,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2019-11-07 01:02:59,763 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 92 [2019-11-07 01:02:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:59,764 INFO L462 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2019-11-07 01:02:59,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:02:59,764 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2019-11-07 01:02:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:02:59,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:59,766 INFO L410 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] [2019-11-07 01:02:59,767 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash -440444759, now seen corresponding path program 1 times [2019-11-07 01:02:59,767 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:59,768 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742592525] [2019-11-07 01:02:59,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:02:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:02:59,870 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742592525] [2019-11-07 01:02:59,871 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:02:59,871 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:02:59,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067251970] [2019-11-07 01:02:59,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:02:59,873 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:02:59,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:02:59,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:02:59,874 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2019-11-07 01:02:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:02:59,919 INFO L93 Difference]: Finished difference Result 411 states and 474 transitions. [2019-11-07 01:02:59,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:02:59,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-11-07 01:02:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:02:59,925 INFO L225 Difference]: With dead ends: 411 [2019-11-07 01:02:59,925 INFO L226 Difference]: Without dead ends: 222 [2019-11-07 01:02:59,926 INFO L630 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 [2019-11-07 01:02:59,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-11-07 01:02:59,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2019-11-07 01:02:59,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-11-07 01:02:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2019-11-07 01:02:59,956 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 93 [2019-11-07 01:02:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:02:59,957 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2019-11-07 01:02:59,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:02:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2019-11-07 01:02:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:02:59,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:59,959 INFO L410 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] [2019-11-07 01:02:59,959 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:59,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:59,960 INFO L82 PathProgramCache]: Analyzing trace with hash 261155115, now seen corresponding path program 1 times [2019-11-07 01:02:59,960 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:59,960 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784337976] [2019-11-07 01:02:59,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:02:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,049 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784337976] [2019-11-07 01:03:00,049 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,049 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:00,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770810363] [2019-11-07 01:03:00,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:00,051 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:00,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:00,052 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 8 states. [2019-11-07 01:03:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,087 INFO L93 Difference]: Finished difference Result 423 states and 491 transitions. [2019-11-07 01:03:00,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:00,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-11-07 01:03:00,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,092 INFO L225 Difference]: With dead ends: 423 [2019-11-07 01:03:00,092 INFO L226 Difference]: Without dead ends: 229 [2019-11-07 01:03:00,093 INFO L630 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 [2019-11-07 01:03:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-11-07 01:03:00,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2019-11-07 01:03:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-11-07 01:03:00,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 255 transitions. [2019-11-07 01:03:00,121 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 255 transitions. Word has length 93 [2019-11-07 01:03:00,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,121 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 255 transitions. [2019-11-07 01:03:00,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 255 transitions. [2019-11-07 01:03:00,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:03:00,125 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,126 INFO L410 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] [2019-11-07 01:03:00,126 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1986636012, now seen corresponding path program 1 times [2019-11-07 01:03:00,127 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,127 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305189142] [2019-11-07 01:03:00,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,217 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305189142] [2019-11-07 01:03:00,218 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,220 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:00,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294808414] [2019-11-07 01:03:00,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:00,221 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:00,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:00,222 INFO L87 Difference]: Start difference. First operand 226 states and 255 transitions. Second operand 4 states. [2019-11-07 01:03:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,467 INFO L93 Difference]: Finished difference Result 661 states and 782 transitions. [2019-11-07 01:03:00,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:00,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-07 01:03:00,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,471 INFO L225 Difference]: With dead ends: 661 [2019-11-07 01:03:00,472 INFO L226 Difference]: Without dead ends: 463 [2019-11-07 01:03:00,473 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:00,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-11-07 01:03:00,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 454. [2019-11-07 01:03:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-11-07 01:03:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 526 transitions. [2019-11-07 01:03:00,503 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 526 transitions. Word has length 93 [2019-11-07 01:03:00,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,504 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 526 transitions. [2019-11-07 01:03:00,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 526 transitions. [2019-11-07 01:03:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-07 01:03:00,506 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,506 INFO L410 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] [2019-11-07 01:03:00,506 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1429929390, now seen corresponding path program 1 times [2019-11-07 01:03:00,507 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,507 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763010597] [2019-11-07 01:03:00,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,660 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763010597] [2019-11-07 01:03:00,661 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,661 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:00,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032277278] [2019-11-07 01:03:00,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:00,662 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:00,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:00,663 INFO L87 Difference]: Start difference. First operand 454 states and 526 transitions. Second operand 9 states. [2019-11-07 01:03:01,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:01,669 INFO L93 Difference]: Finished difference Result 1193 states and 1446 transitions. [2019-11-07 01:03:01,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:01,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-11-07 01:03:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:01,676 INFO L225 Difference]: With dead ends: 1193 [2019-11-07 01:03:01,677 INFO L226 Difference]: Without dead ends: 839 [2019-11-07 01:03:01,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-11-07 01:03:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 758. [2019-11-07 01:03:01,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-11-07 01:03:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 868 transitions. [2019-11-07 01:03:01,730 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 868 transitions. Word has length 97 [2019-11-07 01:03:01,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:01,731 INFO L462 AbstractCegarLoop]: Abstraction has 758 states and 868 transitions. [2019-11-07 01:03:01,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 868 transitions. [2019-11-07 01:03:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-07 01:03:01,734 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:01,734 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:01,735 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:01,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:01,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1557984819, now seen corresponding path program 1 times [2019-11-07 01:03:01,735 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:01,735 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783705001] [2019-11-07 01:03:01,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:01,948 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783705001] [2019-11-07 01:03:01,949 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770942498] [2019-11-07 01:03:01,949 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 [2019-11-07 01:03:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:02,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:02,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:02,352 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:02,800 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1575233401] [2019-11-07 01:03:02,807 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-11-07 01:03:02,855 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:02,855 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:02,933 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:02,934 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:03:02,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:02,938 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:03,019 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:03,020 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:03,024 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-11-07 01:03:03,025 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:03,025 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:03,026 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:03,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57839541] [2019-11-07 01:03:03,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:03,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:03,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:03,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:03,028 INFO L87 Difference]: Start difference. First operand 758 states and 868 transitions. Second operand 2 states. [2019-11-07 01:03:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,036 INFO L93 Difference]: Finished difference Result 758 states and 868 transitions. [2019-11-07 01:03:03,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:03,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-11-07 01:03:03,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,037 INFO L225 Difference]: With dead ends: 758 [2019-11-07 01:03:03,037 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:03,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:03,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-11-07 01:03:03,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,041 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:03,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:03,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:03,245 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:03,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:03,478 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-11-07 01:03:03,478 INFO L443 ceAbstractionStarter]: For program point L289-1(lines 289 293) no Hoare annotation was computed. [2019-11-07 01:03:03,478 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 304) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 258 313) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point L305(lines 282 306) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 258 313) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 258 313) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2019-11-07 01:03:03,479 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 314 373) no Hoare annotation was computed. [2019-11-07 01:03:03,480 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-11-07 01:03:03,482 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 365) no Hoare annotation was computed. [2019-11-07 01:03:03,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 314 373) no Hoare annotation was computed. [2019-11-07 01:03:03,483 INFO L443 ceAbstractionStarter]: For program point L366(lines 339 367) no Hoare annotation was computed. [2019-11-07 01:03:03,483 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 314 373) no Hoare annotation was computed. [2019-11-07 01:03:03,483 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-11-07 01:03:03,483 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-11-07 01:03:03,483 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2019-11-07 01:03:03,483 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2019-11-07 01:03:03,486 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2019-11-07 01:03:03,486 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2019-11-07 01:03:03,486 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2019-11-07 01:03:03,487 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 158 165) the Hoare annotation is: true [2019-11-07 01:03:03,487 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2019-11-07 01:03:03,487 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2019-11-07 01:03:03,487 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 166 175) the Hoare annotation is: true [2019-11-07 01:03:03,487 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-11-07 01:03:03,488 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 166 175) no Hoare annotation was computed. [2019-11-07 01:03:03,488 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 166 175) no Hoare annotation was computed. [2019-11-07 01:03:03,488 INFO L446 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: true [2019-11-07 01:03:03,488 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 195) no Hoare annotation was computed. [2019-11-07 01:03:03,488 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 198) no Hoare annotation was computed. [2019-11-07 01:03:03,488 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-11-07 01:03:03,490 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-11-07 01:03:03,490 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-11-07 01:03:03,490 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 176 204) no Hoare annotation was computed. [2019-11-07 01:03:03,490 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-11-07 01:03:03,490 INFO L443 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2019-11-07 01:03:03,491 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 176 204) the Hoare annotation is: true [2019-11-07 01:03:03,491 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 176 204) no Hoare annotation was computed. [2019-11-07 01:03:03,491 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 131 153) the Hoare annotation is: true [2019-11-07 01:03:03,491 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 131 153) no Hoare annotation was computed. [2019-11-07 01:03:03,491 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-11-07 01:03:03,491 INFO L446 ceAbstractionStarter]: At program point L143-1(line 143) the Hoare annotation is: true [2019-11-07 01:03:03,492 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 148) no Hoare annotation was computed. [2019-11-07 01:03:03,493 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 131 153) no Hoare annotation was computed. [2019-11-07 01:03:03,493 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 141 148) no Hoare annotation was computed. [2019-11-07 01:03:03,493 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-07 01:03:03,493 INFO L446 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: true [2019-11-07 01:03:03,493 INFO L446 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2019-11-07 01:03:03,493 INFO L446 ceAbstractionStarter]: At program point L137-1(line 137) the Hoare annotation is: true [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2019-11-07 01:03:03,494 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-07 01:03:03,495 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 789 797) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 789 797) the Hoare annotation is: true [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 789 797) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 825) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point L817-2(lines 817 825) no Hoare annotation was computed. [2019-11-07 01:03:03,496 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 798 833) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 798 833) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 813) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 813) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 798 833) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 212 257) no Hoare annotation was computed. [2019-11-07 01:03:03,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 212 257) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 212 257) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 552) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 559) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point L539-1(lines 539 559) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 525 570) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 525 570) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 525 570) no Hoare annotation was computed. [2019-11-07 01:03:03,498 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 117 127) the Hoare annotation is: true [2019-11-07 01:03:03,498 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 117 127) no Hoare annotation was computed. [2019-11-07 01:03:03,499 INFO L446 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: true [2019-11-07 01:03:03,499 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 117 127) no Hoare annotation was computed. [2019-11-07 01:03:03,499 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 778 788) the Hoare annotation is: true [2019-11-07 01:03:03,499 INFO L446 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: true [2019-11-07 01:03:03,499 INFO L443 ceAbstractionStarter]: For program point L783-1(line 783) no Hoare annotation was computed. [2019-11-07 01:03:03,499 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 778 788) no Hoare annotation was computed. [2019-11-07 01:03:03,499 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 778 788) no Hoare annotation was computed. [2019-11-07 01:03:03,499 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 770 777) the Hoare annotation is: true [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 770 777) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 770 777) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 655 668) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 665) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 655 668) the Hoare annotation is: true [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 655 668) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 737 761) no Hoare annotation was computed. [2019-11-07 01:03:03,500 INFO L446 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: true [2019-11-07 01:03:03,500 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 737 761) the Hoare annotation is: true [2019-11-07 01:03:03,501 INFO L443 ceAbstractionStarter]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2019-11-07 01:03:03,501 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-11-07 01:03:03,501 INFO L446 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: true [2019-11-07 01:03:03,501 INFO L443 ceAbstractionStarter]: For program point L745(lines 745 753) no Hoare annotation was computed. [2019-11-07 01:03:03,501 INFO L446 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: true [2019-11-07 01:03:03,501 INFO L443 ceAbstractionStarter]: For program point L743-1(line 743) no Hoare annotation was computed. [2019-11-07 01:03:03,501 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 758) no Hoare annotation was computed. [2019-11-07 01:03:03,501 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 703 709) no Hoare annotation was computed. [2019-11-07 01:03:03,501 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 703 709) the Hoare annotation is: true [2019-11-07 01:03:03,502 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-11-07 01:03:03,502 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 897 962) the Hoare annotation is: true [2019-11-07 01:03:03,502 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-11-07 01:03:03,502 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2019-11-07 01:03:03,502 INFO L446 ceAbstractionStarter]: At program point L952(lines 907 954) the Hoare annotation is: true [2019-11-07 01:03:03,502 INFO L446 ceAbstractionStarter]: At program point L919(line 919) the Hoare annotation is: true [2019-11-07 01:03:03,502 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 897 962) no Hoare annotation was computed. [2019-11-07 01:03:03,502 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 923) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point L917-1(lines 917 923) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L446 ceAbstractionStarter]: At program point L955(lines 906 956) the Hoare annotation is: true [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L446 ceAbstractionStarter]: At program point L945-2(lines 937 950) the Hoare annotation is: true [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point L908(lines 907 954) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L446 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: true [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 950) no Hoare annotation was computed. [2019-11-07 01:03:03,503 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 897 962) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 479 524) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 479 524) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 479 524) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 513) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 493 513) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 623 645) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 639) no Hoare annotation was computed. [2019-11-07 01:03:03,504 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 623 645) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point L631-2(lines 631 639) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 623 645) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 376 478) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point L446(lines 424 447) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 421) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 472) no Hoare annotation was computed. [2019-11-07 01:03:03,505 INFO L443 ceAbstractionStarter]: For program point L426(lines 425 445) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L457-1(line 457) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 463) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 376 478) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 376 478) no Hoare annotation was computed. [2019-11-07 01:03:03,506 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 475) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point L427(lines 427 431) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point L425-2(lines 425 445) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2019-11-07 01:03:03,507 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,508 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:03:03,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,508 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2019-11-07 01:03:03,508 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2019-11-07 01:03:03,509 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 762 769) the Hoare annotation is: true [2019-11-07 01:03:03,509 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 646 654) the Hoare annotation is: true [2019-11-07 01:03:03,509 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 646 654) no Hoare annotation was computed. [2019-11-07 01:03:03,510 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 646 654) no Hoare annotation was computed. [2019-11-07 01:03:03,510 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 834 852) no Hoare annotation was computed. [2019-11-07 01:03:03,510 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-11-07 01:03:03,510 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-11-07 01:03:03,510 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2019-11-07 01:03:03,511 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-11-07 01:03:03,511 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 834 852) the Hoare annotation is: true [2019-11-07 01:03:03,511 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 834 852) no Hoare annotation was computed. [2019-11-07 01:03:03,511 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-11-07 01:03:03,511 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 602 613) the Hoare annotation is: true [2019-11-07 01:03:03,512 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 602 613) no Hoare annotation was computed. [2019-11-07 01:03:03,512 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,512 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,512 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,512 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-11-07 01:03:03,512 INFO L446 ceAbstractionStarter]: At program point L690(lines 690 696) the Hoare annotation is: true [2019-11-07 01:03:03,513 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 676 702) the Hoare annotation is: true [2019-11-07 01:03:03,514 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-11-07 01:03:03,514 INFO L443 ceAbstractionStarter]: For program point L683(lines 679 701) no Hoare annotation was computed. [2019-11-07 01:03:03,514 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 676 702) no Hoare annotation was computed. [2019-11-07 01:03:03,514 INFO L443 ceAbstractionStarter]: For program point L681(lines 679 701) no Hoare annotation was computed. [2019-11-07 01:03:03,515 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 676 702) no Hoare annotation was computed. [2019-11-07 01:03:03,515 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-07 01:03:03,515 INFO L446 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2019-11-07 01:03:03,515 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2019-11-07 01:03:03,515 INFO L443 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2019-11-07 01:03:03,515 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2019-11-07 01:03:03,516 INFO L446 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2019-11-07 01:03:03,516 INFO L446 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2019-11-07 01:03:03,516 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-11-07 01:03:03,516 INFO L446 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2019-11-07 01:03:03,516 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-11-07 01:03:03,516 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 614 622) the Hoare annotation is: true [2019-11-07 01:03:03,516 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 614 622) no Hoare annotation was computed. [2019-11-07 01:03:03,517 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 614 622) no Hoare annotation was computed. [2019-11-07 01:03:03,518 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 578 589) the Hoare annotation is: true [2019-11-07 01:03:03,518 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 578 589) no Hoare annotation was computed. [2019-11-07 01:03:03,518 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 578 589) no Hoare annotation was computed. [2019-11-07 01:03:03,518 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2019-11-07 01:03:03,518 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2019-11-07 01:03:03,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,519 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:03,519 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:03,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:03,519 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 853 860) no Hoare annotation was computed. [2019-11-07 01:03:03,520 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 853 860) the Hoare annotation is: true [2019-11-07 01:03:03,520 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 853 860) no Hoare annotation was computed. [2019-11-07 01:03:03,520 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 711 735) the Hoare annotation is: true [2019-11-07 01:03:03,520 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 711 735) no Hoare annotation was computed. [2019-11-07 01:03:03,520 INFO L446 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2019-11-07 01:03:03,521 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 711 735) no Hoare annotation was computed. [2019-11-07 01:03:03,521 INFO L446 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: true [2019-11-07 01:03:03,521 INFO L446 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: true [2019-11-07 01:03:03,521 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 727) no Hoare annotation was computed. [2019-11-07 01:03:03,521 INFO L446 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2019-11-07 01:03:03,521 INFO L443 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2019-11-07 01:03:03,522 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 732) no Hoare annotation was computed. [2019-11-07 01:03:03,522 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2019-11-07 01:03:03,522 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 590 601) no Hoare annotation was computed. [2019-11-07 01:03:03,522 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 590 601) the Hoare annotation is: true [2019-11-07 01:03:03,522 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:03:03,523 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 01:03:03,523 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 01:03:03,523 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:03:03,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:03 BoogieIcfgContainer [2019-11-07 01:03:03,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:03,539 INFO L168 Benchmark]: Toolchain (without parser) took 8863.59 ms. Allocated memory was 145.8 MB in the beginning and 316.7 MB in the end (delta: 170.9 MB). Free memory was 101.7 MB in the beginning and 136.7 MB in the end (delta: -35.1 MB). Peak memory consumption was 135.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,542 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.86 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 169.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,553 INFO L168 Benchmark]: Boogie Preprocessor took 90.52 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,555 INFO L168 Benchmark]: RCFGBuilder took 1157.80 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 194.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,559 INFO L168 Benchmark]: TraceAbstraction took 6907.90 ms. Allocated memory was 235.9 MB in the beginning and 316.7 MB in the end (delta: 80.7 MB). Free memory was 192.9 MB in the beginning and 136.7 MB in the end (delta: 56.2 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:03,570 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.86 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.5 MB in the beginning and 169.4 MB in the end (delta: -67.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.52 ms. Allocated memory is still 202.9 MB. Free memory was 169.4 MB in the beginning and 165.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.80 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.4 MB in the beginning and 194.3 MB in the end (delta: -28.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6907.90 ms. Allocated memory was 235.9 MB in the beginning and 316.7 MB in the end (delta: 80.7 MB). Free memory was 192.9 MB in the beginning and 136.7 MB in the end (delta: 56.2 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1539 SDtfs, 1081 SDslu, 3029 SDs, 0 SdLazy, 1732 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 433 GetRequests, 354 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 905 PreInvPairs, 906 NumberOfFragments, 73 HoareAnnotationTreeSize, 905 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1044 NumberOfCodeBlocks, 1044 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1189 ConstructedInterpolants, 0 QuantifiedInterpolants, 234610 SizeOfPredicates, 4 NumberOfNonLiveVariables, 935 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 127/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 132, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8333333333333334, 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...