/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:03:04,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:03:04,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:03:04,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:03:04,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:03:04,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:03:04,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:03:04,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:03:04,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:03:04,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:03:04,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:03:04,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:03:04,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:03:04,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:03:04,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:03:04,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:03:04,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:03:04,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:03:04,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:03:04,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:03:04,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:03:04,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:03:04,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:03:04,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:03:04,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:03:04,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:03:04,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:03:04,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:03:04,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:03:04,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:03:04,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:03:04,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:03:04,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:03:04,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:03:04,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:03:04,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:03:04,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:03:04,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:03:04,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:03:04,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:03:04,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:03:04,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:03:04,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:03:04,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:03:04,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:03:04,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:03:04,672 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:03:04,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:03:04,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:03:04,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:03:04,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:03:04,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:03:04,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:03:04,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:03:04,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:03:04,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:03:04,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:03:04,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:03:04,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:03:04,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:03:04,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:03:04,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:03:04,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:03:04,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:03:04,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:03:04,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:03:04,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:03:04,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:03:04,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:03:04,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:03:04,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:03:04,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:03:04,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:03:04,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:03:04,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:03:04,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:03:04,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-11-07 01:03:05,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98356d6f9/4efa7cd5a4014032867ee0c0681b9214/FLAG5b3106d11 [2019-11-07 01:03:05,640 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:03:05,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-11-07 01:03:05,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98356d6f9/4efa7cd5a4014032867ee0c0681b9214/FLAG5b3106d11 [2019-11-07 01:03:05,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98356d6f9/4efa7cd5a4014032867ee0c0681b9214 [2019-11-07 01:03:05,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:03:05,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:03:05,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:05,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:03:05,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:03:05,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:05" (1/1) ... [2019-11-07 01:03:05,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da24f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:05, skipping insertion in model container [2019-11-07 01:03:05,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:05" (1/1) ... [2019-11-07 01:03:05,983 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:03:06,055 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:03:06,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:06,485 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:03:06,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:06,623 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:03:06,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06 WrapperNode [2019-11-07 01:03:06,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:06,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:03:06,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:03:06,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:03:06,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... [2019-11-07 01:03:06,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:03:06,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:03:06,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:03:06,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:03:06,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:03:06,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:03:06,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:03:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:03:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:03:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:03:06,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:03:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:03:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:03:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:03:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:06,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:03:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:03:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:03:06,777 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:03:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:03:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:03:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:03:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:03:06,778 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:03:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:03:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:03:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:03:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:03:06,779 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:03:06,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:03:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:03:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:03:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:03:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:03:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:03:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:03:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:06,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:03:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:03:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:03:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:03:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:03:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:03:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:03:06,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:03:06,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:03:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:03:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:03:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:03:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:03:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:03:07,895 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:03:07,896 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:03:07,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:07 BoogieIcfgContainer [2019-11-07 01:03:07,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:03:07,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:03:07,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:03:07,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:03:07,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:03:05" (1/3) ... [2019-11-07 01:03:07,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a831a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:07, skipping insertion in model container [2019-11-07 01:03:07,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:06" (2/3) ... [2019-11-07 01:03:07,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a831a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:07, skipping insertion in model container [2019-11-07 01:03:07,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:07" (3/3) ... [2019-11-07 01:03:07,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2019-11-07 01:03:07,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:03:07,929 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:03:07,941 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:03:07,979 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:03:07,979 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:03:07,979 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:03:07,980 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:03:07,980 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:03:07,980 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:03:07,980 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:03:07,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:03:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-11-07 01:03:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:03:08,011 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:08,012 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:08,013 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:08,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:08,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2019-11-07 01:03:08,027 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:08,028 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548473841] [2019-11-07 01:03:08,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,481 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548473841] [2019-11-07 01:03:08,482 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,483 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:03:08,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145084275] [2019-11-07 01:03:08,489 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:08,491 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:03:08,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:08,509 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-11-07 01:03:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:08,556 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2019-11-07 01:03:08,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:08,557 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:03:08,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:08,571 INFO L225 Difference]: With dead ends: 282 [2019-11-07 01:03:08,572 INFO L226 Difference]: Without dead ends: 143 [2019-11-07 01:03:08,576 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-11-07 01:03:08,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-11-07 01:03:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-11-07 01:03:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2019-11-07 01:03:08,636 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2019-11-07 01:03:08,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:08,637 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2019-11-07 01:03:08,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2019-11-07 01:03:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:03:08,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:08,641 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:08,642 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:08,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2019-11-07 01:03:08,642 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:08,643 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492724227] [2019-11-07 01:03:08,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,748 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492724227] [2019-11-07 01:03:08,748 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,748 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:03:08,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886280575] [2019-11-07 01:03:08,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:03:08,751 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:03:08,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:08,752 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2019-11-07 01:03:08,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:08,775 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2019-11-07 01:03:08,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:03:08,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:03:08,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:08,778 INFO L225 Difference]: With dead ends: 218 [2019-11-07 01:03:08,779 INFO L226 Difference]: Without dead ends: 134 [2019-11-07 01:03:08,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:08,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-07 01:03:08,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-07 01:03:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-07 01:03:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2019-11-07 01:03:08,794 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2019-11-07 01:03:08,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:08,795 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2019-11-07 01:03:08,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:03:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2019-11-07 01:03:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:03:08,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:08,798 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:08,798 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:08,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2019-11-07 01:03:08,799 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:08,799 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421938620] [2019-11-07 01:03:08,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:08,981 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421938620] [2019-11-07 01:03:08,981 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:08,981 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:08,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823610120] [2019-11-07 01:03:08,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:08,986 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:08,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:08,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:08,987 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2019-11-07 01:03:09,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:09,576 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2019-11-07 01:03:09,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:03:09,577 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:03:09,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:09,581 INFO L225 Difference]: With dead ends: 402 [2019-11-07 01:03:09,581 INFO L226 Difference]: Without dead ends: 296 [2019-11-07 01:03:09,582 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:03:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-11-07 01:03:09,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2019-11-07 01:03:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-11-07 01:03:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2019-11-07 01:03:09,646 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2019-11-07 01:03:09,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:09,647 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2019-11-07 01:03:09,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2019-11-07 01:03:09,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:03:09,650 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:09,650 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:09,650 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:09,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:09,651 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2019-11-07 01:03:09,652 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:09,652 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319784435] [2019-11-07 01:03:09,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:03:09,800 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319784435] [2019-11-07 01:03:09,800 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:09,800 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:09,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841439033] [2019-11-07 01:03:09,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:09,802 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:09,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:09,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:09,802 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2019-11-07 01:03:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:10,548 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2019-11-07 01:03:10,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:03:10,550 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-11-07 01:03:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:10,557 INFO L225 Difference]: With dead ends: 682 [2019-11-07 01:03:10,558 INFO L226 Difference]: Without dead ends: 438 [2019-11-07 01:03:10,565 INFO L630 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 [2019-11-07 01:03:10,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-11-07 01:03:10,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2019-11-07 01:03:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-11-07 01:03:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2019-11-07 01:03:10,666 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2019-11-07 01:03:10,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:10,668 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2019-11-07 01:03:10,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:10,669 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2019-11-07 01:03:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:10,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:10,674 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:10,674 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:10,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:10,675 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2019-11-07 01:03:10,675 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:10,675 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537427747] [2019-11-07 01:03:10,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:10,819 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537427747] [2019-11-07 01:03:10,820 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:10,820 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:10,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907790883] [2019-11-07 01:03:10,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:10,823 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:10,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:10,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:10,825 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 4 states. [2019-11-07 01:03:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:11,116 INFO L93 Difference]: Finished difference Result 1438 states and 1802 transitions. [2019-11-07 01:03:11,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:11,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-11-07 01:03:11,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:11,127 INFO L225 Difference]: With dead ends: 1438 [2019-11-07 01:03:11,127 INFO L226 Difference]: Without dead ends: 1076 [2019-11-07 01:03:11,130 INFO L630 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 [2019-11-07 01:03:11,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-11-07 01:03:11,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1056. [2019-11-07 01:03:11,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-11-07 01:03:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1293 transitions. [2019-11-07 01:03:11,217 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1293 transitions. Word has length 103 [2019-11-07 01:03:11,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:11,218 INFO L462 AbstractCegarLoop]: Abstraction has 1056 states and 1293 transitions. [2019-11-07 01:03:11,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:11,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1293 transitions. [2019-11-07 01:03:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:11,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:11,221 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:11,222 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2019-11-07 01:03:11,222 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:11,223 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508269626] [2019-11-07 01:03:11,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:11,302 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508269626] [2019-11-07 01:03:11,303 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:11,303 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:03:11,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048770328] [2019-11-07 01:03:11,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:03:11,304 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:11,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:03:11,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:03:11,304 INFO L87 Difference]: Start difference. First operand 1056 states and 1293 transitions. Second operand 6 states. [2019-11-07 01:03:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:11,396 INFO L93 Difference]: Finished difference Result 2126 states and 2692 transitions. [2019-11-07 01:03:11,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:11,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-11-07 01:03:11,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:11,403 INFO L225 Difference]: With dead ends: 2126 [2019-11-07 01:03:11,403 INFO L226 Difference]: Without dead ends: 1098 [2019-11-07 01:03:11,407 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:11,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-11-07 01:03:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1086. [2019-11-07 01:03:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2019-11-07 01:03:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1325 transitions. [2019-11-07 01:03:11,473 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1325 transitions. Word has length 103 [2019-11-07 01:03:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:11,474 INFO L462 AbstractCegarLoop]: Abstraction has 1086 states and 1325 transitions. [2019-11-07 01:03:11,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:03:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1325 transitions. [2019-11-07 01:03:11,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 01:03:11,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:11,477 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:11,478 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:11,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:11,478 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2019-11-07 01:03:11,478 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:11,478 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438802177] [2019-11-07 01:03:11,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:11,565 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438802177] [2019-11-07 01:03:11,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:11,566 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:11,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865462652] [2019-11-07 01:03:11,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:11,567 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:11,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:11,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:11,567 INFO L87 Difference]: Start difference. First operand 1086 states and 1325 transitions. Second operand 8 states. [2019-11-07 01:03:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:11,630 INFO L93 Difference]: Finished difference Result 1941 states and 2427 transitions. [2019-11-07 01:03:11,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:11,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-11-07 01:03:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:11,637 INFO L225 Difference]: With dead ends: 1941 [2019-11-07 01:03:11,637 INFO L226 Difference]: Without dead ends: 883 [2019-11-07 01:03:11,640 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-11-07 01:03:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2019-11-07 01:03:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-11-07 01:03:11,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1064 transitions. [2019-11-07 01:03:11,695 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1064 transitions. Word has length 103 [2019-11-07 01:03:11,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:11,696 INFO L462 AbstractCegarLoop]: Abstraction has 883 states and 1064 transitions. [2019-11-07 01:03:11,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1064 transitions. [2019-11-07 01:03:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-07 01:03:11,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:11,699 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:11,699 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:11,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:11,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2019-11-07 01:03:11,700 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:11,700 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002186711] [2019-11-07 01:03:11,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:11,846 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002186711] [2019-11-07 01:03:11,846 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:11,847 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:11,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365206073] [2019-11-07 01:03:11,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:11,848 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:11,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:11,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:11,849 INFO L87 Difference]: Start difference. First operand 883 states and 1064 transitions. Second operand 9 states. [2019-11-07 01:03:13,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:13,154 INFO L93 Difference]: Finished difference Result 2434 states and 3065 transitions. [2019-11-07 01:03:13,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:13,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2019-11-07 01:03:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:13,165 INFO L225 Difference]: With dead ends: 2434 [2019-11-07 01:03:13,165 INFO L226 Difference]: Without dead ends: 1755 [2019-11-07 01:03:13,169 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:13,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2019-11-07 01:03:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2019-11-07 01:03:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2019-11-07 01:03:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2019-11-07 01:03:13,283 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2019-11-07 01:03:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:13,286 INFO L462 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2019-11-07 01:03:13,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2019-11-07 01:03:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-07 01:03:13,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:13,295 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:13,295 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:13,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:13,296 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2019-11-07 01:03:13,296 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:13,296 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102494641] [2019-11-07 01:03:13,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:03:13,577 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102494641] [2019-11-07 01:03:13,577 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741352175] [2019-11-07 01:03:13,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:13,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:13,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:13,974 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:14,363 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-07 01:03:14,364 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1794334567] [2019-11-07 01:03:14,371 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 152 [2019-11-07 01:03:14,416 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:14,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:14,562 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:14,563 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:03:14,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:14,568 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:14,636 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:14,636 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:14,640 INFO L553 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2019-11-07 01:03:14,640 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:14,641 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:14,641 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:14,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739593942] [2019-11-07 01:03:14,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:14,642 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:14,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:14,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:14,643 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 2 states. [2019-11-07 01:03:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:14,663 INFO L93 Difference]: Finished difference Result 1552 states and 1852 transitions. [2019-11-07 01:03:14,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:14,663 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-11-07 01:03:14,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:14,664 INFO L225 Difference]: With dead ends: 1552 [2019-11-07 01:03:14,664 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:14,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 292 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:14,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:14,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-11-07 01:03:14,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:14,669 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:14,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:14,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:14,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:14,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:14,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 228) no Hoare annotation was computed. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2019-11-07 01:03:15,272 INFO L443 ceAbstractionStarter]: For program point L240(lines 217 241) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2019-11-07 01:03:15,273 INFO L443 ceAbstractionStarter]: For program point L301(lines 274 302) no Hoare annotation was computed. [2019-11-07 01:03:15,274 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2019-11-07 01:03:15,274 INFO L443 ceAbstractionStarter]: For program point L294(line 294) no Hoare annotation was computed. [2019-11-07 01:03:15,274 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-11-07 01:03:15,275 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2019-11-07 01:03:15,275 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2019-11-07 01:03:15,275 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2019-11-07 01:03:15,275 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2019-11-07 01:03:15,275 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2019-11-07 01:03:15,275 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: true [2019-11-07 01:03:15,275 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: true [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L446 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: true [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2019-11-07 01:03:15,276 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2019-11-07 01:03:15,277 INFO L446 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: true [2019-11-07 01:03:15,277 INFO L443 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2019-11-07 01:03:15,277 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2019-11-07 01:03:15,278 INFO L443 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2019-11-07 01:03:15,278 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-11-07 01:03:15,278 INFO L443 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2019-11-07 01:03:15,278 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2019-11-07 01:03:15,278 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2019-11-07 01:03:15,278 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: true [2019-11-07 01:03:15,278 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2019-11-07 01:03:15,278 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2019-11-07 01:03:15,279 INFO L446 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2019-11-07 01:03:15,279 INFO L446 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: true [2019-11-07 01:03:15,279 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2019-11-07 01:03:15,279 INFO L443 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2019-11-07 01:03:15,279 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-11-07 01:03:15,282 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-11-07 01:03:15,282 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-11-07 01:03:15,282 INFO L446 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: true [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-11-07 01:03:15,283 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2019-11-07 01:03:15,284 INFO L446 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: true [2019-11-07 01:03:15,284 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: true [2019-11-07 01:03:15,284 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2019-11-07 01:03:15,285 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2019-11-07 01:03:15,286 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2019-11-07 01:03:15,286 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2019-11-07 01:03:15,286 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2019-11-07 01:03:15,286 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2019-11-07 01:03:15,286 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2019-11-07 01:03:15,286 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: true [2019-11-07 01:03:15,287 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2019-11-07 01:03:15,287 INFO L446 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: true [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: true [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-11-07 01:03:15,288 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-11-07 01:03:15,289 INFO L446 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2019-11-07 01:03:15,289 INFO L446 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2019-11-07 01:03:15,289 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2019-11-07 01:03:15,289 INFO L446 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: true [2019-11-07 01:03:15,289 INFO L443 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2019-11-07 01:03:15,290 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: true [2019-11-07 01:03:15,290 INFO L446 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: true [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-11-07 01:03:15,290 INFO L446 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L446 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L446 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2019-11-07 01:03:15,291 INFO L446 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: true [2019-11-07 01:03:15,291 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 441) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 448) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: true [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:03:15,292 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 339) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 366) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2019-11-07 01:03:15,293 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2019-11-07 01:03:15,294 INFO L443 ceAbstractionStarter]: For program point L381(lines 359 382) no Hoare annotation was computed. [2019-11-07 01:03:15,294 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 356) no Hoare annotation was computed. [2019-11-07 01:03:15,294 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2019-11-07 01:03:15,294 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-11-07 01:03:15,294 INFO L443 ceAbstractionStarter]: For program point L361(lines 360 380) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 398) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,295 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:03:15,295 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,296 INFO L446 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: true [2019-11-07 01:03:15,296 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-11-07 01:03:15,296 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2019-11-07 01:03:15,296 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: true [2019-11-07 01:03:15,296 INFO L446 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: true [2019-11-07 01:03:15,296 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2019-11-07 01:03:15,296 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2019-11-07 01:03:15,296 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-11-07 01:03:15,296 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-11-07 01:03:15,297 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-11-07 01:03:15,297 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2019-11-07 01:03:15,297 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-11-07 01:03:15,298 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2019-11-07 01:03:15,298 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2019-11-07 01:03:15,298 INFO L446 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2019-11-07 01:03:15,298 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-11-07 01:03:15,298 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-11-07 01:03:15,298 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-11-07 01:03:15,299 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-11-07 01:03:15,300 INFO L446 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: true [2019-11-07 01:03:15,300 INFO L446 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2019-11-07 01:03:15,300 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: true [2019-11-07 01:03:15,301 INFO L443 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2019-11-07 01:03:15,301 INFO L443 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2019-11-07 01:03:15,301 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2019-11-07 01:03:15,301 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2019-11-07 01:03:15,302 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-11-07 01:03:15,302 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2019-11-07 01:03:15,302 INFO L446 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2019-11-07 01:03:15,302 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2019-11-07 01:03:15,302 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-11-07 01:03:15,303 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-11-07 01:03:15,303 INFO L446 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2019-11-07 01:03:15,303 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-11-07 01:03:15,303 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-07 01:03:15,303 INFO L446 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2019-11-07 01:03:15,303 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-11-07 01:03:15,304 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-11-07 01:03:15,304 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-11-07 01:03:15,304 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2019-11-07 01:03:15,304 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2019-11-07 01:03:15,304 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,305 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:15,305 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:15,305 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:15,305 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2019-11-07 01:03:15,305 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2019-11-07 01:03:15,305 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2019-11-07 01:03:15,306 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-11-07 01:03:15,306 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-11-07 01:03:15,306 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-11-07 01:03:15,306 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2019-11-07 01:03:15,306 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-11-07 01:03:15,306 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-11-07 01:03:15,307 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-07 01:03:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:15 BoogieIcfgContainer [2019-11-07 01:03:15,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:15,327 INFO L168 Benchmark]: Toolchain (without parser) took 9363.12 ms. Allocated memory was 136.8 MB in the beginning and 342.4 MB in the end (delta: 205.5 MB). Free memory was 98.7 MB in the beginning and 178.1 MB in the end (delta: -79.4 MB). Peak memory consumption was 126.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,328 INFO L168 Benchmark]: CDTParser took 0.23 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.38 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.5 MB in the beginning and 168.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,330 INFO L168 Benchmark]: Boogie Preprocessor took 88.25 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,334 INFO L168 Benchmark]: RCFGBuilder took 1184.95 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 193.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,336 INFO L168 Benchmark]: TraceAbstraction took 7425.05 ms. Allocated memory was 231.2 MB in the beginning and 342.4 MB in the end (delta: 111.1 MB). Free memory was 193.7 MB in the beginning and 178.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 126.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:15,348 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.38 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 98.5 MB in the beginning and 168.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.25 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.95 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 164.1 MB in the beginning and 193.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7425.05 ms. Allocated memory was 231.2 MB in the beginning and 342.4 MB in the end (delta: 111.1 MB). Free memory was 193.7 MB in the beginning and 178.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 126.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1474 SDtfs, 1093 SDslu, 3263 SDs, 0 SdLazy, 1617 SolverSat, 312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 329 SyntacticMatches, 5 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred 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, 307 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1886 PreInvPairs, 1887 NumberOfFragments, 74 HoareAnnotationTreeSize, 1886 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1112 ConstructedInterpolants, 0 QuantifiedInterpolants, 212282 SizeOfPredicates, 4 NumberOfNonLiveVariables, 926 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 198, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.86, 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...