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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:23:01,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:23:01,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:23:01,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:23:01,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:23:01,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:23:01,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:23:01,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:23:01,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:23:01,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:23:01,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:23:01,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:23:01,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:23:01,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:23:01,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:23:01,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:23:01,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:23:01,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:23:01,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:23:01,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:23:01,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:23:01,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:23:01,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:23:01,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:23:01,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:23:01,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:23:01,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:23:01,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:23:01,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:23:01,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:23:01,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:23:01,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:23:01,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:23:01,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:23:01,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:23:01,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:23:01,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:23:01,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:23:01,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:23:01,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:23:01,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:23:01,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:23:01,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:23:01,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:23:01,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:23:01,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:23:01,649 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:23:01,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:23:01,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:23:01,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:23:01,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:23:01,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:23:01,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:23:01,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:23:01,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:23:01,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:23:01,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:23:01,655 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:23:01,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:23:01,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:23:01,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:23:01,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:23:01,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:23:01,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:23:01,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:23:01,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:23:01,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:23:01,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:23:01,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:23:01,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:23:01,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:23:01,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:23:01,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:23:01,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:23:01,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:23:01,971 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:23:01,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-13 21:23:02,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd0168cf/a6968f64014f4cf0acea1643fcf41a3d/FLAG1aa9ea70f [2019-10-13 21:23:02,635 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:23:02,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-13 21:23:02,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd0168cf/a6968f64014f4cf0acea1643fcf41a3d/FLAG1aa9ea70f [2019-10-13 21:23:02,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd0168cf/a6968f64014f4cf0acea1643fcf41a3d [2019-10-13 21:23:02,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:23:02,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:23:02,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:02,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:23:02,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:23:02,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:02,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d974c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02, skipping insertion in model container [2019-10-13 21:23:02,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:02,937 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:23:02,985 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:23:03,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:03,453 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:23:03,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:03,576 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:23:03,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03 WrapperNode [2019-10-13 21:23:03,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:03,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:23:03,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:23:03,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:23:03,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:23:03,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:23:03,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:23:03,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:23:03,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:23:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:23:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:23:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:23:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:23:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:23:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:23:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:23:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:23:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:23:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:23:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:23:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:23:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:23:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:23:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:23:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:23:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:23:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:23:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:23:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:23:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:23:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:23:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:23:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:23:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:23:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:23:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:23:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:23:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:23:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:23:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:23:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:23:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:23:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:23:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:23:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:23:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:23:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:23:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:23:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:23:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:23:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:23:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:23:05,035 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:23:05,035 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:23:05,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:05 BoogieIcfgContainer [2019-10-13 21:23:05,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:23:05,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:23:05,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:23:05,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:23:05,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:23:02" (1/3) ... [2019-10-13 21:23:05,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5656dce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:05, skipping insertion in model container [2019-10-13 21:23:05,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (2/3) ... [2019-10-13 21:23:05,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5656dce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:05, skipping insertion in model container [2019-10-13 21:23:05,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:05" (3/3) ... [2019-10-13 21:23:05,051 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2019-10-13 21:23:05,061 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:23:05,075 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:23:05,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:23:05,127 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:23:05,128 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:23:05,128 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:23:05,128 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:23:05,130 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:23:05,130 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:23:05,130 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:23:05,130 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:23:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states. [2019-10-13 21:23:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:23:05,180 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,181 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:05,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1893311162, now seen corresponding path program 1 times [2019-10-13 21:23:05,205 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442450763] [2019-10-13 21:23:05,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:05,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442450763] [2019-10-13 21:23:05,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:05,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:23:05,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170676331] [2019-10-13 21:23:05,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:05,639 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:05,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:05,658 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 2 states. [2019-10-13 21:23:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,733 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2019-10-13 21:23:05,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:05,738 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:23:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,770 INFO L225 Difference]: With dead ends: 334 [2019-10-13 21:23:05,770 INFO L226 Difference]: Without dead ends: 169 [2019-10-13 21:23:05,779 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:05,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-10-13 21:23:05,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2019-10-13 21:23:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2019-10-13 21:23:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2019-10-13 21:23:05,888 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2019-10-13 21:23:05,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:05,890 INFO L462 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2019-10-13 21:23:05,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:05,890 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2019-10-13 21:23:05,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:23:05,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,907 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:05,908 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1978801715, now seen corresponding path program 1 times [2019-10-13 21:23:05,909 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301500701] [2019-10-13 21:23:05,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:06,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301500701] [2019-10-13 21:23:06,048 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:06,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:06,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870072492] [2019-10-13 21:23:06,051 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:06,051 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:06,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:06,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:06,052 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 3 states. [2019-10-13 21:23:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:06,079 INFO L93 Difference]: Finished difference Result 277 states and 329 transitions. [2019-10-13 21:23:06,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:06,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:23:06,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:06,083 INFO L225 Difference]: With dead ends: 277 [2019-10-13 21:23:06,083 INFO L226 Difference]: Without dead ends: 160 [2019-10-13 21:23:06,085 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:06,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-10-13 21:23:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-13 21:23:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-13 21:23:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 189 transitions. [2019-10-13 21:23:06,102 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 189 transitions. Word has length 60 [2019-10-13 21:23:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:06,102 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 189 transitions. [2019-10-13 21:23:06,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 189 transitions. [2019-10-13 21:23:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:23:06,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:06,105 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:06,105 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:06,106 INFO L82 PathProgramCache]: Analyzing trace with hash -532508270, now seen corresponding path program 1 times [2019-10-13 21:23:06,106 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:06,106 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766577726] [2019-10-13 21:23:06,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:06,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766577726] [2019-10-13 21:23:06,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:06,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:06,313 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082071104] [2019-10-13 21:23:06,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:06,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:06,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:06,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:06,315 INFO L87 Difference]: Start difference. First operand 160 states and 189 transitions. Second operand 7 states. [2019-10-13 21:23:07,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,002 INFO L93 Difference]: Finished difference Result 480 states and 585 transitions. [2019-10-13 21:23:07,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:23:07,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:23:07,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,013 INFO L225 Difference]: With dead ends: 480 [2019-10-13 21:23:07,015 INFO L226 Difference]: Without dead ends: 348 [2019-10-13 21:23:07,017 INFO L600 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 [2019-10-13 21:23:07,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-10-13 21:23:07,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 340. [2019-10-13 21:23:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-13 21:23:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2019-10-13 21:23:07,107 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 64 [2019-10-13 21:23:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,110 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2019-10-13 21:23:07,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2019-10-13 21:23:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:23:07,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,114 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:07,114 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,115 INFO L82 PathProgramCache]: Analyzing trace with hash 216340368, now seen corresponding path program 1 times [2019-10-13 21:23:07,115 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185071399] [2019-10-13 21:23:07,115 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,116 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:23:07,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185071399] [2019-10-13 21:23:07,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:07,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:07,296 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024571984] [2019-10-13 21:23:07,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:07,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:07,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:07,298 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand 7 states. [2019-10-13 21:23:08,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,142 INFO L93 Difference]: Finished difference Result 867 states and 1120 transitions. [2019-10-13 21:23:08,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:08,143 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:23:08,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,147 INFO L225 Difference]: With dead ends: 867 [2019-10-13 21:23:08,148 INFO L226 Difference]: Without dead ends: 555 [2019-10-13 21:23:08,149 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:23:08,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-10-13 21:23:08,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 502. [2019-10-13 21:23:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-13 21:23:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 601 transitions. [2019-10-13 21:23:08,194 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 601 transitions. Word has length 70 [2019-10-13 21:23:08,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,195 INFO L462 AbstractCegarLoop]: Abstraction has 502 states and 601 transitions. [2019-10-13 21:23:08,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:08,195 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 601 transitions. [2019-10-13 21:23:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:23:08,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,198 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:08,198 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1357993179, now seen corresponding path program 1 times [2019-10-13 21:23:08,199 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081419803] [2019-10-13 21:23:08,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:08,299 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081419803] [2019-10-13 21:23:08,299 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,299 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:08,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009033968] [2019-10-13 21:23:08,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:08,300 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:08,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:08,301 INFO L87 Difference]: Start difference. First operand 502 states and 601 transitions. Second operand 6 states. [2019-10-13 21:23:08,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,369 INFO L93 Difference]: Finished difference Result 990 states and 1226 transitions. [2019-10-13 21:23:08,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:08,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2019-10-13 21:23:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,377 INFO L225 Difference]: With dead ends: 990 [2019-10-13 21:23:08,377 INFO L226 Difference]: Without dead ends: 516 [2019-10-13 21:23:08,380 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-10-13 21:23:08,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 512. [2019-10-13 21:23:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-13 21:23:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 611 transitions. [2019-10-13 21:23:08,428 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 611 transitions. Word has length 112 [2019-10-13 21:23:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,429 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 611 transitions. [2019-10-13 21:23:08,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 611 transitions. [2019-10-13 21:23:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:23:08,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,434 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:08,434 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,434 INFO L82 PathProgramCache]: Analyzing trace with hash 581168867, now seen corresponding path program 1 times [2019-10-13 21:23:08,435 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772146675] [2019-10-13 21:23:08,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:08,580 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772146675] [2019-10-13 21:23:08,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:23:08,583 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95065898] [2019-10-13 21:23:08,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:23:08,584 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:23:08,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:08,584 INFO L87 Difference]: Start difference. First operand 512 states and 611 transitions. Second operand 8 states. [2019-10-13 21:23:08,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,664 INFO L93 Difference]: Finished difference Result 1010 states and 1246 transitions. [2019-10-13 21:23:08,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:23:08,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2019-10-13 21:23:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,669 INFO L225 Difference]: With dead ends: 1010 [2019-10-13 21:23:08,669 INFO L226 Difference]: Without dead ends: 526 [2019-10-13 21:23:08,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:08,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2019-10-13 21:23:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2019-10-13 21:23:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-13 21:23:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2019-10-13 21:23:08,705 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 112 [2019-10-13 21:23:08,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,705 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2019-10-13 21:23:08,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:23:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2019-10-13 21:23:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:23:08,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,709 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:08,709 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1350338882, now seen corresponding path program 1 times [2019-10-13 21:23:08,710 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245490733] [2019-10-13 21:23:08,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,711 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:08,818 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245490733] [2019-10-13 21:23:08,818 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:08,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794222447] [2019-10-13 21:23:08,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:08,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:08,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:08,821 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 4 states. [2019-10-13 21:23:09,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:09,117 INFO L93 Difference]: Finished difference Result 1618 states and 2020 transitions. [2019-10-13 21:23:09,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:09,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-10-13 21:23:09,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:09,124 INFO L225 Difference]: With dead ends: 1618 [2019-10-13 21:23:09,125 INFO L226 Difference]: Without dead ends: 1126 [2019-10-13 21:23:09,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:09,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-10-13 21:23:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1109. [2019-10-13 21:23:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2019-10-13 21:23:09,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1360 transitions. [2019-10-13 21:23:09,198 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1360 transitions. Word has length 112 [2019-10-13 21:23:09,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:09,198 INFO L462 AbstractCegarLoop]: Abstraction has 1109 states and 1360 transitions. [2019-10-13 21:23:09,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:09,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1360 transitions. [2019-10-13 21:23:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-13 21:23:09,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:09,202 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:09,203 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:09,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:09,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1975342852, now seen corresponding path program 1 times [2019-10-13 21:23:09,203 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:09,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366382596] [2019-10-13 21:23:09,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:23:09,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366382596] [2019-10-13 21:23:09,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:09,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:09,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706850652] [2019-10-13 21:23:09,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:09,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:09,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:09,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:09,395 INFO L87 Difference]: Start difference. First operand 1109 states and 1360 transitions. Second operand 9 states. [2019-10-13 21:23:10,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:10,814 INFO L93 Difference]: Finished difference Result 3024 states and 3876 transitions. [2019-10-13 21:23:10,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:10,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2019-10-13 21:23:10,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:10,827 INFO L225 Difference]: With dead ends: 3024 [2019-10-13 21:23:10,828 INFO L226 Difference]: Without dead ends: 2135 [2019-10-13 21:23:10,834 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:10,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2019-10-13 21:23:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1904. [2019-10-13 21:23:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1904 states. [2019-10-13 21:23:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2295 transitions. [2019-10-13 21:23:10,976 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2295 transitions. Word has length 116 [2019-10-13 21:23:10,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:10,977 INFO L462 AbstractCegarLoop]: Abstraction has 1904 states and 2295 transitions. [2019-10-13 21:23:10,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2295 transitions. [2019-10-13 21:23:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 21:23:10,983 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:10,984 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:10,984 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:10,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:10,984 INFO L82 PathProgramCache]: Analyzing trace with hash -283315442, now seen corresponding path program 1 times [2019-10-13 21:23:10,985 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:10,985 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289295537] [2019-10-13 21:23:10,985 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:10,985 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:10,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:23:11,143 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289295537] [2019-10-13 21:23:11,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769526727] [2019-10-13 21:23:11,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:11,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 1013 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:11,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:11,733 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:23:12,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2013513970] [2019-10-13 21:23:12,253 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 194 [2019-10-13 21:23:12,302 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:12,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:12,397 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:12,399 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. [2019-10-13 21:23:12,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:12,403 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:12,522 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:12,525 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:12,532 INFO L553 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2019-10-13 21:23:12,532 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:12,536 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:12,537 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:12,537 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503570295] [2019-10-13 21:23:12,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:12,538 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:12,538 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:12,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:12,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:12,539 INFO L87 Difference]: Start difference. First operand 1904 states and 2295 transitions. Second operand 2 states. [2019-10-13 21:23:12,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:12,557 INFO L93 Difference]: Finished difference Result 1904 states and 2295 transitions. [2019-10-13 21:23:12,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:12,557 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-13 21:23:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:12,558 INFO L225 Difference]: With dead ends: 1904 [2019-10-13 21:23:12,558 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:12,563 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:12,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:12,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:12,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 193 [2019-10-13 21:23:12,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:12,564 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:12,564 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:12,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:12,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:12,770 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:12,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:13,222 INFO L443 ceAbstractionStarter]: For program point L760(lines 760 764) no Hoare annotation was computed. [2019-10-13 21:23:13,222 INFO L443 ceAbstractionStarter]: For program point L760-1(lines 760 764) no Hoare annotation was computed. [2019-10-13 21:23:13,222 INFO L443 ceAbstractionStarter]: For program point L755(line 755) no Hoare annotation was computed. [2019-10-13 21:23:13,223 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 729 784) no Hoare annotation was computed. [2019-10-13 21:23:13,223 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 775) no Hoare annotation was computed. [2019-10-13 21:23:13,223 INFO L443 ceAbstractionStarter]: For program point L776(lines 753 777) no Hoare annotation was computed. [2019-10-13 21:23:13,223 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 729 784) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 729 784) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point L830-1(line 830) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 785 844) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 821) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point L817-1(lines 817 821) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 785 844) no Hoare annotation was computed. [2019-10-13 21:23:13,224 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 21:23:13,225 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 785 844) no Hoare annotation was computed. [2019-10-13 21:23:13,225 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 836) no Hoare annotation was computed. [2019-10-13 21:23:13,225 INFO L443 ceAbstractionStarter]: For program point L837(lines 810 838) no Hoare annotation was computed. [2019-10-13 21:23:13,225 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2019-10-13 21:23:13,226 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2019-10-13 21:23:13,226 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2019-10-13 21:23:13,226 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2019-10-13 21:23:13,226 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2019-10-13 21:23:13,226 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:23:13,227 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:13,227 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:13,227 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:23:13,227 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:13,227 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:23:13,229 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:13,229 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:23:13,229 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:23:13,229 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:13,229 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:23:13,229 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:23:13,229 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:23:13,229 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:23:13,230 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: true [2019-10-13 21:23:13,230 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2019-10-13 21:23:13,230 INFO L446 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: true [2019-10-13 21:23:13,231 INFO L446 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: true [2019-10-13 21:23:13,231 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:23:13,231 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:23:13,231 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-13 21:23:13,231 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-10-13 21:23:13,231 INFO L446 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2019-10-13 21:23:13,231 INFO L446 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: true [2019-10-13 21:23:13,231 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point L256(line 256) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-13 21:23:13,232 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-13 21:23:13,233 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-13 21:23:13,234 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2019-10-13 21:23:13,234 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) the Hoare annotation is: true [2019-10-13 21:23:13,234 INFO L446 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2019-10-13 21:23:13,234 INFO L443 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2019-10-13 21:23:13,234 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2019-10-13 21:23:13,234 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-10-13 21:23:13,234 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-13 21:23:13,234 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2019-10-13 21:23:13,235 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-13 21:23:13,235 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2019-10-13 21:23:13,235 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: true [2019-10-13 21:23:13,235 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2019-10-13 21:23:13,235 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-10-13 21:23:13,236 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2019-10-13 21:23:13,236 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2019-10-13 21:23:13,236 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2019-10-13 21:23:13,236 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2019-10-13 21:23:13,236 INFO L443 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L446 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 511) no Hoare annotation was computed. [2019-10-13 21:23:13,237 INFO L443 ceAbstractionStarter]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 484 519) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 499) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point L491-2(lines 491 499) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 484 519) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 484 519) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2019-10-13 21:23:13,238 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2019-10-13 21:23:13,238 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 683 728) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 683 728) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 683 728) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 996 1041) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point L1016(lines 1016 1023) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point L1010(lines 1010 1030) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point L1010-1(lines 1010 1030) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 996 1041) no Hoare annotation was computed. [2019-10-13 21:23:13,239 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 996 1041) no Hoare annotation was computed. [2019-10-13 21:23:13,240 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: true [2019-10-13 21:23:13,240 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2019-10-13 21:23:13,240 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 21:23:13,240 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2019-10-13 21:23:13,240 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2019-10-13 21:23:13,240 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2019-10-13 21:23:13,240 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2019-10-13 21:23:13,240 INFO L446 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2019-10-13 21:23:13,240 INFO L443 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2019-10-13 21:23:13,241 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: true [2019-10-13 21:23:13,241 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2019-10-13 21:23:13,241 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2019-10-13 21:23:13,241 INFO L443 ceAbstractionStarter]: For program point L657(lines 657 663) no Hoare annotation was computed. [2019-10-13 21:23:13,241 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2019-10-13 21:23:13,241 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2019-10-13 21:23:13,241 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2019-10-13 21:23:13,242 INFO L446 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2019-10-13 21:23:13,242 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2019-10-13 21:23:13,242 INFO L446 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: true [2019-10-13 21:23:13,242 INFO L443 ceAbstractionStarter]: For program point L412-1(line 412) no Hoare annotation was computed. [2019-10-13 21:23:13,242 INFO L443 ceAbstractionStarter]: For program point L410(lines 410 427) no Hoare annotation was computed. [2019-10-13 21:23:13,242 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2019-10-13 21:23:13,242 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 406 430) the Hoare annotation is: true [2019-10-13 21:23:13,242 INFO L446 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: true [2019-10-13 21:23:13,242 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2019-10-13 21:23:13,243 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-10-13 21:23:13,243 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2019-10-13 21:23:13,243 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2019-10-13 21:23:13,243 INFO L446 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: true [2019-10-13 21:23:13,243 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 144 209) the Hoare annotation is: true [2019-10-13 21:23:13,243 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 196) no Hoare annotation was computed. [2019-10-13 21:23:13,243 INFO L446 ceAbstractionStarter]: At program point L190-1(lines 184 197) the Hoare annotation is: true [2019-10-13 21:23:13,243 INFO L443 ceAbstractionStarter]: For program point L155(lines 154 201) no Hoare annotation was computed. [2019-10-13 21:23:13,243 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2019-10-13 21:23:13,244 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2019-10-13 21:23:13,244 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-13 21:23:13,244 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2019-10-13 21:23:13,245 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2019-10-13 21:23:13,245 INFO L446 ceAbstractionStarter]: At program point L199(lines 154 201) the Hoare annotation is: true [2019-10-13 21:23:13,245 INFO L446 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: true [2019-10-13 21:23:13,245 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-13 21:23:13,245 INFO L443 ceAbstractionStarter]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2019-10-13 21:23:13,245 INFO L443 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2019-10-13 21:23:13,245 INFO L446 ceAbstractionStarter]: At program point L202(lines 153 203) the Hoare annotation is: true [2019-10-13 21:23:13,245 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2019-10-13 21:23:13,246 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:23:13,246 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:23:13,246 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 950 995) no Hoare annotation was computed. [2019-10-13 21:23:13,246 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2019-10-13 21:23:13,246 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) the Hoare annotation is: true [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:23:13,247 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 621 643) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 621 643) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 637) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 621 643) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 637) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 96 105) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 96 105) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 96 105) no Hoare annotation was computed. [2019-10-13 21:23:13,248 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 847 949) no Hoare annotation was computed. [2019-10-13 21:23:13,249 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 896 916) no Hoare annotation was computed. [2019-10-13 21:23:13,249 INFO L443 ceAbstractionStarter]: For program point L917(lines 895 918) no Hoare annotation was computed. [2019-10-13 21:23:13,249 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 892) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 943) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 847 949) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L897(lines 896 916) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 934) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 847 949) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2019-10-13 21:23:13,250 INFO L443 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point L871(lines 871 875) no Hoare annotation was computed. [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point L935(lines 935 946) no Hoare annotation was computed. [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,251 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))) [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,251 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2019-10-13 21:23:13,252 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 452) no Hoare annotation was computed. [2019-10-13 21:23:13,252 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-10-13 21:23:13,252 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2019-10-13 21:23:13,252 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-13 21:23:13,252 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 439 455) the Hoare annotation is: true [2019-10-13 21:23:13,252 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-10-13 21:23:13,252 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2019-10-13 21:23:13,252 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2019-10-13 21:23:13,252 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L446 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2019-10-13 21:23:13,253 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L443 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2019-10-13 21:23:13,253 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2019-10-13 21:23:13,253 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: true [2019-10-13 21:23:13,254 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-13 21:23:13,254 INFO L446 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: true [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L446 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point L326(lines 322 344) no Hoare annotation was computed. [2019-10-13 21:23:13,254 INFO L443 ceAbstractionStarter]: For program point L324(lines 322 344) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2019-10-13 21:23:13,255 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 576 587) the Hoare annotation is: true [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:13,256 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: true [2019-10-13 21:23:13,256 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2019-10-13 21:23:13,256 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2019-10-13 21:23:13,257 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-10-13 21:23:13,257 INFO L446 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: true [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2019-10-13 21:23:13,257 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2019-10-13 21:23:13,257 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2019-10-13 21:23:13,258 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: true [2019-10-13 21:23:13,258 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:23:13,258 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2019-10-13 21:23:13,258 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:23:13,258 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2019-10-13 21:23:13,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:13 BoogieIcfgContainer [2019-10-13 21:23:13,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:13,270 INFO L168 Benchmark]: Toolchain (without parser) took 10345.53 ms. Allocated memory was 136.8 MB in the beginning and 392.2 MB in the end (delta: 255.3 MB). Free memory was 99.0 MB in the beginning and 257.6 MB in the end (delta: -158.6 MB). Peak memory consumption was 221.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,271 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.18 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 166.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,272 INFO L168 Benchmark]: Boogie Preprocessor took 89.84 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,273 INFO L168 Benchmark]: RCFGBuilder took 1370.07 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.0 MB in the beginning and 189.7 MB in the end (delta: -27.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,274 INFO L168 Benchmark]: TraceAbstraction took 8228.08 ms. Allocated memory was 231.7 MB in the beginning and 392.2 MB in the end (delta: 160.4 MB). Free memory was 188.3 MB in the beginning and 257.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:13,278 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.18 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.8 MB in the beginning and 166.8 MB in the end (delta: -68.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.84 ms. Allocated memory is still 201.3 MB. Free memory was 166.8 MB in the beginning and 162.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1370.07 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.0 MB in the beginning and 189.7 MB in the end (delta: -27.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8228.08 ms. Allocated memory was 231.7 MB in the beginning and 392.2 MB in the end (delta: 160.4 MB). Free memory was 188.3 MB in the beginning and 257.6 MB in the end (delta: -69.4 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 268 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1774 SDtfs, 1283 SDslu, 4022 SDs, 0 SdLazy, 2007 SolverSat, 346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 279 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1904occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 319 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 2094 PreInvPairs, 2095 NumberOfFragments, 85 HoareAnnotationTreeSize, 2094 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 75 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1273 ConstructedInterpolants, 0 QuantifiedInterpolants, 296752 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1013 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 151/186 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7864583333333334, 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...