/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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:56,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:56,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:56,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:56,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:56,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:56,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:56,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:56,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:56,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:56,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:56,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:56,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:56,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:56,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:56,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:56,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:56,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:56,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:56,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:56,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:56,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:56,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:56,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:56,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:56,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:56,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:56,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:56,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:56,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:56,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:56,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:56,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:56,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:56,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:56,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:56,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:56,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:56,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:56,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:56,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:56,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:02:56,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:56,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:56,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:56,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:56,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:56,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:56,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:56,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:56,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:56,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:56,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:56,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:56,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:56,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:56,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:56,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:56,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:56,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:56,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:56,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:56,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:56,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:56,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:56,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:56,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:56,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:56,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:56,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:56,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:02:56,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:56,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:56,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:56,979 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:56,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:56,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-11-07 01:02:57,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d8df837/b9a832b011a1494ebb53230bb55673c0/FLAGcba8b8375 [2019-11-07 01:02:57,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:57,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-11-07 01:02:57,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d8df837/b9a832b011a1494ebb53230bb55673c0/FLAGcba8b8375 [2019-11-07 01:02:57,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d8df837/b9a832b011a1494ebb53230bb55673c0 [2019-11-07 01:02:57,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:57,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:57,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:57,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:57,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:57,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:57" (1/1) ... [2019-11-07 01:02:57,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8fd7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:57, skipping insertion in model container [2019-11-07 01:02:57,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:57" (1/1) ... [2019-11-07 01:02:57,924 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:57,987 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:58,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:58,535 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:58,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:58,653 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:58,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58 WrapperNode [2019-11-07 01:02:58,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:58,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:58,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:58,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:58,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:58,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:58,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:58,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:58,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:58,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:58,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:02:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:02:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:58,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:58,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:58,813 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:58,815 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:58,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:59,843 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:59,843 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:59,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:59 BoogieIcfgContainer [2019-11-07 01:02:59,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:59,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:59,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:59,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:59,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:57" (1/3) ... [2019-11-07 01:02:59,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5821452a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:59, skipping insertion in model container [2019-11-07 01:02:59,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (2/3) ... [2019-11-07 01:02:59,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5821452a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:59, skipping insertion in model container [2019-11-07 01:02:59,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:59" (3/3) ... [2019-11-07 01:02:59,854 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-11-07 01:02:59,864 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:59,874 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:59,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:59,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:59,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:59,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:59,922 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:59,922 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:59,922 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:59,923 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:59,923 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-11-07 01:02:59,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:02:59,971 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:02:59,972 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:02:59,976 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:02:59,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:02:59,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2019-11-07 01:02:59,992 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:02:59,993 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414163442] [2019-11-07 01:02:59,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,315 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414163442] [2019-11-07 01:03:00,317 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,317 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:03:00,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870488379] [2019-11-07 01:03:00,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:00,331 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:03:00,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:00,349 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-11-07 01:03:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,405 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2019-11-07 01:03:00,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:00,407 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:03:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,421 INFO L225 Difference]: With dead ends: 288 [2019-11-07 01:03:00,422 INFO L226 Difference]: Without dead ends: 146 [2019-11-07 01:03:00,426 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 01:03:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-11-07 01:03:00,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-11-07 01:03:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-11-07 01:03:00,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-11-07 01:03:00,515 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2019-11-07 01:03:00,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,516 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-11-07 01:03:00,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-11-07 01:03:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:03:00,526 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,526 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 01:03:00,527 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,527 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2019-11-07 01:03:00,528 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,528 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306442219] [2019-11-07 01:03:00,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,666 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306442219] [2019-11-07 01:03:00,667 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,667 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:03:00,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98165257] [2019-11-07 01:03:00,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:03:00,670 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:03:00,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:00,670 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2019-11-07 01:03:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,723 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2019-11-07 01:03:00,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:03:00,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:03:00,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,731 INFO L225 Difference]: With dead ends: 227 [2019-11-07 01:03:00,731 INFO L226 Difference]: Without dead ends: 137 [2019-11-07 01:03:00,734 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 01:03:00,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-07 01:03:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-07 01:03:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-07 01:03:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-11-07 01:03:00,749 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2019-11-07 01:03:00,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,749 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-11-07 01:03:00,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:03:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-11-07 01:03:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:03:00,752 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,752 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 01:03:00,752 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2019-11-07 01:03:00,753 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,753 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938535408] [2019-11-07 01:03:00,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,919 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938535408] [2019-11-07 01:03:00,919 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,919 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:00,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955726509] [2019-11-07 01:03:00,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:00,920 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:00,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:00,921 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2019-11-07 01:03:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:01,423 INFO L93 Difference]: Finished difference Result 411 states and 497 transitions. [2019-11-07 01:03:01,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:03:01,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:03:01,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:01,427 INFO L225 Difference]: With dead ends: 411 [2019-11-07 01:03:01,427 INFO L226 Difference]: Without dead ends: 302 [2019-11-07 01:03:01,428 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 01:03:01,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2019-11-07 01:03:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2019-11-07 01:03:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2019-11-07 01:03:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2019-11-07 01:03:01,480 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 65 [2019-11-07 01:03:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:01,481 INFO L462 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2019-11-07 01:03:01,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2019-11-07 01:03:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:03:01,483 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:01,484 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 01:03:01,484 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:01,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:01,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2019-11-07 01:03:01,485 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:01,485 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892093408] [2019-11-07 01:03:01,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:01,650 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 01:03:01,650 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892093408] [2019-11-07 01:03:01,651 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:01,651 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:01,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535754185] [2019-11-07 01:03:01,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:01,652 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:01,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:01,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:01,653 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 7 states. [2019-11-07 01:03:02,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:02,631 INFO L93 Difference]: Finished difference Result 736 states and 956 transitions. [2019-11-07 01:03:02,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:03:02,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-11-07 01:03:02,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:02,638 INFO L225 Difference]: With dead ends: 736 [2019-11-07 01:03:02,638 INFO L226 Difference]: Without dead ends: 474 [2019-11-07 01:03:02,641 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:03:02,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-11-07 01:03:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 420. [2019-11-07 01:03:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-11-07 01:03:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 505 transitions. [2019-11-07 01:03:02,709 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 505 transitions. Word has length 70 [2019-11-07 01:03:02,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:02,710 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 505 transitions. [2019-11-07 01:03:02,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 505 transitions. [2019-11-07 01:03:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:03:02,712 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:02,712 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:02,713 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:02,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:02,713 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2019-11-07 01:03:02,713 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:02,714 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78942892] [2019-11-07 01:03:02,714 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:02,863 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 01:03:02,863 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78942892] [2019-11-07 01:03:02,864 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:02,864 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:02,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313557542] [2019-11-07 01:03:02,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:02,865 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:02,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:02,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:02,866 INFO L87 Difference]: Start difference. First operand 420 states and 505 transitions. Second operand 4 states. [2019-11-07 01:03:03,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,173 INFO L93 Difference]: Finished difference Result 1514 states and 1938 transitions. [2019-11-07 01:03:03,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:03,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-11-07 01:03:03,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,186 INFO L225 Difference]: With dead ends: 1514 [2019-11-07 01:03:03,186 INFO L226 Difference]: Without dead ends: 1122 [2019-11-07 01:03:03,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2019-11-07 01:03:03,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1096. [2019-11-07 01:03:03,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2019-11-07 01:03:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1371 transitions. [2019-11-07 01:03:03,265 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1371 transitions. Word has length 93 [2019-11-07 01:03:03,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,266 INFO L462 AbstractCegarLoop]: Abstraction has 1096 states and 1371 transitions. [2019-11-07 01:03:03,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1371 transitions. [2019-11-07 01:03:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:03:03,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,269 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:03,269 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2019-11-07 01:03:03,270 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,270 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423222308] [2019-11-07 01:03:03,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:03,388 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 01:03:03,389 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423222308] [2019-11-07 01:03:03,390 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:03,390 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:03:03,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938746713] [2019-11-07 01:03:03,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:03:03,391 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:03,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:03:03,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:03:03,392 INFO L87 Difference]: Start difference. First operand 1096 states and 1371 transitions. Second operand 6 states. [2019-11-07 01:03:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,474 INFO L93 Difference]: Finished difference Result 2194 states and 2804 transitions. [2019-11-07 01:03:03,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:03,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-11-07 01:03:03,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,485 INFO L225 Difference]: With dead ends: 2194 [2019-11-07 01:03:03,485 INFO L226 Difference]: Without dead ends: 1126 [2019-11-07 01:03:03,489 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 01:03:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2019-11-07 01:03:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1126. [2019-11-07 01:03:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2019-11-07 01:03:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1403 transitions. [2019-11-07 01:03:03,572 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1403 transitions. Word has length 93 [2019-11-07 01:03:03,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,574 INFO L462 AbstractCegarLoop]: Abstraction has 1126 states and 1403 transitions. [2019-11-07 01:03:03,574 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:03:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1403 transitions. [2019-11-07 01:03:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 01:03:03,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,579 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:03,580 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2019-11-07 01:03:03,580 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,580 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478992442] [2019-11-07 01:03:03,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:03,694 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 01:03:03,695 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478992442] [2019-11-07 01:03:03,695 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:03,695 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:03,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757522871] [2019-11-07 01:03:03,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:03,696 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:03,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:03,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:03,697 INFO L87 Difference]: Start difference. First operand 1126 states and 1403 transitions. Second operand 8 states. [2019-11-07 01:03:03,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,775 INFO L93 Difference]: Finished difference Result 2081 states and 2663 transitions. [2019-11-07 01:03:03,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:03,776 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-11-07 01:03:03,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,782 INFO L225 Difference]: With dead ends: 2081 [2019-11-07 01:03:03,782 INFO L226 Difference]: Without dead ends: 983 [2019-11-07 01:03:03,788 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 01:03:03,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2019-11-07 01:03:03,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 983. [2019-11-07 01:03:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 983 states. [2019-11-07 01:03:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1202 transitions. [2019-11-07 01:03:03,893 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1202 transitions. Word has length 93 [2019-11-07 01:03:03,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,893 INFO L462 AbstractCegarLoop]: Abstraction has 983 states and 1202 transitions. [2019-11-07 01:03:03,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1202 transitions. [2019-11-07 01:03:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-07 01:03:03,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,896 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:03,896 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2019-11-07 01:03:03,897 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,897 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931057626] [2019-11-07 01:03:03,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:04,078 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 01:03:04,079 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931057626] [2019-11-07 01:03:04,079 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:04,079 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:04,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185141633] [2019-11-07 01:03:04,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:04,081 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:04,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:04,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:04,089 INFO L87 Difference]: Start difference. First operand 983 states and 1202 transitions. Second operand 9 states. [2019-11-07 01:03:05,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:05,187 INFO L93 Difference]: Finished difference Result 2686 states and 3444 transitions. [2019-11-07 01:03:05,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:05,188 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-11-07 01:03:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:05,199 INFO L225 Difference]: With dead ends: 2686 [2019-11-07 01:03:05,199 INFO L226 Difference]: Without dead ends: 1917 [2019-11-07 01:03:05,203 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:05,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2019-11-07 01:03:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1684. [2019-11-07 01:03:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2019-11-07 01:03:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2029 transitions. [2019-11-07 01:03:05,309 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2029 transitions. Word has length 97 [2019-11-07 01:03:05,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:05,310 INFO L462 AbstractCegarLoop]: Abstraction has 1684 states and 2029 transitions. [2019-11-07 01:03:05,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2029 transitions. [2019-11-07 01:03:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-07 01:03:05,314 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:05,314 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:05,314 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:05,315 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2019-11-07 01:03:05,315 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:05,315 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425457233] [2019-11-07 01:03:05,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:05,479 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425457233] [2019-11-07 01:03:05,480 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968901871] [2019-11-07 01:03:05,480 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 01:03:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:05,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:05,923 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:06,324 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2055426138] [2019-11-07 01:03:06,330 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-11-07 01:03:06,391 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:06,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:06,507 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:06,509 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 01:03:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:06,513 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:06,599 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:06,602 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:06,608 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-11-07 01:03:06,608 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:06,609 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:06,612 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:06,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184371227] [2019-11-07 01:03:06,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:06,613 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:06,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:06,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:06,614 INFO L87 Difference]: Start difference. First operand 1684 states and 2029 transitions. Second operand 2 states. [2019-11-07 01:03:06,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:06,639 INFO L93 Difference]: Finished difference Result 1684 states and 2029 transitions. [2019-11-07 01:03:06,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:06,640 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-11-07 01:03:06,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:06,640 INFO L225 Difference]: With dead ends: 1684 [2019-11-07 01:03:06,641 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:06,645 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:06,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:06,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-11-07 01:03:06,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:06,647 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:06,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:06,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:06,855 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:06,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:07,325 INFO L443 ceAbstractionStarter]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-11-07 01:03:07,325 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2019-11-07 01:03:07,325 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-07 01:03:07,325 INFO L443 ceAbstractionStarter]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point L428(lines 405 429) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point L482-1(line 482) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2019-11-07 01:03:07,326 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point L489(lines 462 490) no Hoare annotation was computed. [2019-11-07 01:03:07,327 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-07 01:03:07,328 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2019-11-07 01:03:07,328 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2019-11-07 01:03:07,328 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2019-11-07 01:03:07,328 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2019-11-07 01:03:07,328 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2019-11-07 01:03:07,328 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: true [2019-11-07 01:03:07,329 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2019-11-07 01:03:07,329 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2019-11-07 01:03:07,329 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: true [2019-11-07 01:03:07,329 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2019-11-07 01:03:07,330 INFO L443 ceAbstractionStarter]: For program point L711(line 711) no Hoare annotation was computed. [2019-11-07 01:03:07,330 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2019-11-07 01:03:07,330 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-11-07 01:03:07,330 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-11-07 01:03:07,330 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 738) no Hoare annotation was computed. [2019-11-07 01:03:07,331 INFO L446 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: true [2019-11-07 01:03:07,331 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-11-07 01:03:07,331 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 741) no Hoare annotation was computed. [2019-11-07 01:03:07,331 INFO L443 ceAbstractionStarter]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2019-11-07 01:03:07,331 INFO L446 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: true [2019-11-07 01:03:07,331 INFO L443 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2019-11-07 01:03:07,331 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2019-11-07 01:03:07,331 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2019-11-07 01:03:07,332 INFO L446 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: true [2019-11-07 01:03:07,332 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 839) no Hoare annotation was computed. [2019-11-07 01:03:07,332 INFO L443 ceAbstractionStarter]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2019-11-07 01:03:07,332 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-11-07 01:03:07,332 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 822 844) the Hoare annotation is: true [2019-11-07 01:03:07,332 INFO L446 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: true [2019-11-07 01:03:07,332 INFO L446 ceAbstractionStarter]: At program point L828(line 828) the Hoare annotation is: true [2019-11-07 01:03:07,332 INFO L446 ceAbstractionStarter]: At program point L828-1(line 828) the Hoare annotation is: true [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2019-11-07 01:03:07,333 INFO L446 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: true [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2019-11-07 01:03:07,333 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-11-07 01:03:07,334 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point L783(line 783) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-11-07 01:03:07,335 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-11-07 01:03:07,335 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 233 247) the Hoare annotation is: true [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 193) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-07 01:03:07,336 INFO L443 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 205) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2019-11-07 01:03:07,337 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 675) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 682) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2019-11-07 01:03:07,338 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 808 818) the Hoare annotation is: true [2019-11-07 01:03:07,339 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-11-07 01:03:07,339 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2019-11-07 01:03:07,339 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2019-11-07 01:03:07,339 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2019-11-07 01:03:07,339 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2019-11-07 01:03:07,339 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2019-11-07 01:03:07,339 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-11-07 01:03:07,339 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-11-07 01:03:07,339 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: true [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point L973(lines 973 979) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-11-07 01:03:07,340 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-11-07 01:03:07,340 INFO L446 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: true [2019-11-07 01:03:07,341 INFO L443 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2019-11-07 01:03:07,341 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-11-07 01:03:07,341 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2019-11-07 01:03:07,341 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: true [2019-11-07 01:03:07,341 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-11-07 01:03:07,341 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2019-11-07 01:03:07,341 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-11-07 01:03:07,341 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point L320(lines 269 321) the Hoare annotation is: true [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 260 327) the Hoare annotation is: true [2019-11-07 01:03:07,342 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: true [2019-11-07 01:03:07,342 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 314) no Hoare annotation was computed. [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point L308-1(lines 300 315) the Hoare annotation is: true [2019-11-07 01:03:07,342 INFO L443 ceAbstractionStarter]: For program point L271(lines 270 319) no Hoare annotation was computed. [2019-11-07 01:03:07,342 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 315) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L446 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L290(lines 290 296) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L446 ceAbstractionStarter]: At program point L317(lines 270 319) the Hoare annotation is: true [2019-11-07 01:03:07,343 INFO L446 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: true [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-11-07 01:03:07,343 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 629) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point L616(lines 616 636) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 953) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2019-11-07 01:03:07,344 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 586) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 598) no Hoare annotation was computed. [2019-11-07 01:03:07,345 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 554) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L569(lines 547 570) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 544) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 595) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L549(lines 548 568) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-07 01:03:07,346 INFO L443 ceAbstractionStarter]: For program point L580-1(line 580) no Hoare annotation was computed. [2019-11-07 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2019-11-07 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2019-11-07 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2019-11-07 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,347 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 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,347 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: true [2019-11-07 01:03:07,348 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L446 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2019-11-07 01:03:07,348 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L443 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2019-11-07 01:03:07,348 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2019-11-07 01:03:07,349 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2019-11-07 01:03:07,349 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: true [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2019-11-07 01:03:07,349 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L446 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: true [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2019-11-07 01:03:07,350 INFO L443 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2019-11-07 01:03:07,351 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: true [2019-11-07 01:03:07,351 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2019-11-07 01:03:07,351 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-11-07 01:03:07,351 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2019-11-07 01:03:07,351 INFO L446 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: true [2019-11-07 01:03:07,351 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-11-07 01:03:07,351 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2019-11-07 01:03:07,351 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2019-11-07 01:03:07,352 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-11-07 01:03:07,352 INFO L446 ceAbstractionStarter]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2019-11-07 01:03:07,352 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-11-07 01:03:07,352 INFO L446 ceAbstractionStarter]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2019-11-07 01:03:07,352 INFO L446 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2019-11-07 01:03:07,352 INFO L443 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2019-11-07 01:03:07,352 INFO L446 ceAbstractionStarter]: At program point L772(lines 747 776) the Hoare annotation is: true [2019-11-07 01:03:07,352 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-11-07 01:03:07,353 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: true [2019-11-07 01:03:07,353 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2019-11-07 01:03:07,353 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2019-11-07 01:03:07,353 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2019-11-07 01:03:07,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,353 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:07,353 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:07,353 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: true [2019-11-07 01:03:07,354 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L446 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: true [2019-11-07 01:03:07,354 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: true [2019-11-07 01:03:07,354 INFO L443 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2019-11-07 01:03:07,354 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-11-07 01:03:07,355 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2019-11-07 01:03:07,355 INFO L446 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: true [2019-11-07 01:03:07,355 INFO L446 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: true [2019-11-07 01:03:07,355 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-11-07 01:03:07,355 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2019-11-07 01:03:07,355 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-11-07 01:03:07,355 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: true [2019-11-07 01:03:07,355 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2019-11-07 01:03:07,355 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2019-11-07 01:03:07,356 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2019-11-07 01:03:07,356 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2019-11-07 01:03:07,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:07 BoogieIcfgContainer [2019-11-07 01:03:07,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:07,368 INFO L168 Benchmark]: Toolchain (without parser) took 9459.54 ms. Allocated memory was 140.5 MB in the beginning and 356.5 MB in the end (delta: 216.0 MB). Free memory was 102.7 MB in the beginning and 176.1 MB in the end (delta: -73.5 MB). Peak memory consumption was 142.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,369 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.10 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 173.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,370 INFO L168 Benchmark]: Boogie Preprocessor took 91.38 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 168.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,372 INFO L168 Benchmark]: RCFGBuilder took 1099.31 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 168.5 MB in the beginning and 190.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,372 INFO L168 Benchmark]: TraceAbstraction took 7518.92 ms. Allocated memory was 233.8 MB in the beginning and 356.5 MB in the end (delta: 122.7 MB). Free memory was 190.3 MB in the beginning and 176.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.10 ms. Allocated memory was 140.5 MB in the beginning and 205.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 173.0 MB in the end (delta: -70.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.38 ms. Allocated memory is still 205.5 MB. Free memory was 172.3 MB in the beginning and 168.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1099.31 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 168.5 MB in the beginning and 190.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 79.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7518.92 ms. Allocated memory was 233.8 MB in the beginning and 356.5 MB in the end (delta: 122.7 MB). Free memory was 190.3 MB in the beginning and 176.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 136.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1539 SDtfs, 1093 SDslu, 3440 SDs, 0 SdLazy, 1687 SolverSat, 294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 415 GetRequests, 342 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1684occurred 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, 325 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2226 PreInvPairs, 2227 NumberOfFragments, 76 HoareAnnotationTreeSize, 2226 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 944 NumberOfCodeBlocks, 944 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1090 ConstructedInterpolants, 0 QuantifiedInterpolants, 215438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 937 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 183, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8333333333333334, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...