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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:19:11,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:19:11,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:19:11,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:19:11,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:19:11,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:19:11,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:19:11,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:19:11,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:19:11,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:19:11,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:19:11,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:19:11,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:19:11,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:19:11,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:19:11,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:19:11,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:19:11,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:19:11,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:19:11,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:19:11,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:19:11,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:19:11,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:19:11,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:19:11,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:19:11,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:19:11,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:19:11,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:19:11,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:19:11,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:19:11,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:19:11,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:19:11,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:19:11,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:19:11,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:19:11,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:19:11,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:19:11,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:19:11,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:19:11,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:19:11,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:19:11,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:19:11,816 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:19:11,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:19:11,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:19:11,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:19:11,819 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:19:11,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:19:11,819 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:19:11,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:19:11,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:19:11,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:19:11,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:19:11,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:19:11,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:19:11,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:19:11,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:19:11,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:19:11,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:19:11,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:19:11,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:19:11,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:19:11,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:19:11,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:11,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:19:11,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:19:11,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:19:11,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:19:11,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:19:11,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:19:11,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:19:12,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:19:12,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:19:12,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:19:12,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:19:12,185 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:19:12,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-15 03:19:12,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4119de63/938eeeaec81f40fa888a9fa79996e68b/FLAG90071d450 [2019-10-15 03:19:12,790 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:19:12,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-15 03:19:12,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4119de63/938eeeaec81f40fa888a9fa79996e68b/FLAG90071d450 [2019-10-15 03:19:13,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4119de63/938eeeaec81f40fa888a9fa79996e68b [2019-10-15 03:19:13,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:19:13,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:19:13,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:13,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:19:13,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:19:13,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34094467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13, skipping insertion in model container [2019-10-15 03:19:13,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,142 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:19:13,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:19:13,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:13,671 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:19:13,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:19:13,793 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:19:13,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13 WrapperNode [2019-10-15 03:19:13,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:19:13,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:19:13,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:19:13,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:19:13,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... [2019-10-15 03:19:13,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:19:13,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:19:13,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:19:13,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:19:13,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:19:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:19:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:19:13,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:19:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:19:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:19:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:19:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:19:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:19:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:19:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:19:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:19:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:19:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:19:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:19:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:19:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:19:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 03:19:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:19:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:19:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:19:15,665 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:19:15,666 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:19:15,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:15 BoogieIcfgContainer [2019-10-15 03:19:15,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:19:15,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:19:15,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:19:15,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:19:15,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:19:13" (1/3) ... [2019-10-15 03:19:15,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351eb43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:15, skipping insertion in model container [2019-10-15 03:19:15,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:19:13" (2/3) ... [2019-10-15 03:19:15,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351eb43d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:19:15, skipping insertion in model container [2019-10-15 03:19:15,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:19:15" (3/3) ... [2019-10-15 03:19:15,676 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-10-15 03:19:15,687 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:19:15,698 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:19:15,709 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:19:15,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:19:15,744 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:19:15,744 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:19:15,744 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:19:15,745 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:19:15,745 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:19:15,745 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:19:15,745 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:19:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-10-15 03:19:15,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 03:19:15,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:15,794 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:15,798 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash -479374206, now seen corresponding path program 1 times [2019-10-15 03:19:15,818 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:15,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797751939] [2019-10-15 03:19:15,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:15,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:15,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:16,229 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797751939] [2019-10-15 03:19:16,231 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:16,231 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:19:16,233 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620129994] [2019-10-15 03:19:16,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:19:16,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:16,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:19:16,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:16,260 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-10-15 03:19:16,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:16,299 INFO L93 Difference]: Finished difference Result 221 states and 268 transitions. [2019-10-15 03:19:16,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:19:16,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-15 03:19:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:16,314 INFO L225 Difference]: With dead ends: 221 [2019-10-15 03:19:16,315 INFO L226 Difference]: Without dead ends: 111 [2019-10-15 03:19:16,320 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:19:16,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-15 03:19:16,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-15 03:19:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-15 03:19:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2019-10-15 03:19:16,380 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 42 [2019-10-15 03:19:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:16,380 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2019-10-15 03:19:16,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:19:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2019-10-15 03:19:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-15 03:19:16,384 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:16,384 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:16,385 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:16,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2066412184, now seen corresponding path program 1 times [2019-10-15 03:19:16,386 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:16,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889089130] [2019-10-15 03:19:16,386 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,387 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:16,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889089130] [2019-10-15 03:19:16,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:16,593 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:19:16,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172794476] [2019-10-15 03:19:16,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:19:16,596 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:16,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:19:16,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:16,597 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 3 states. [2019-10-15 03:19:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:16,638 INFO L93 Difference]: Finished difference Result 179 states and 207 transitions. [2019-10-15 03:19:16,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:19:16,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-15 03:19:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:16,644 INFO L225 Difference]: With dead ends: 179 [2019-10-15 03:19:16,645 INFO L226 Difference]: Without dead ends: 103 [2019-10-15 03:19:16,646 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:19:16,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-15 03:19:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-15 03:19:16,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-15 03:19:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions. [2019-10-15 03:19:16,660 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 43 [2019-10-15 03:19:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:16,661 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 117 transitions. [2019-10-15 03:19:16,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:19:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2019-10-15 03:19:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 03:19:16,663 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:16,663 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:16,664 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:16,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1019636405, now seen corresponding path program 1 times [2019-10-15 03:19:16,664 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:16,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110444722] [2019-10-15 03:19:16,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,665 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:16,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:16,776 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110444722] [2019-10-15 03:19:16,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:16,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:16,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272382576] [2019-10-15 03:19:16,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:16,777 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:16,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:16,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:16,778 INFO L87 Difference]: Start difference. First operand 103 states and 117 transitions. Second operand 7 states. [2019-10-15 03:19:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:17,108 INFO L93 Difference]: Finished difference Result 184 states and 213 transitions. [2019-10-15 03:19:17,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:19:17,110 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-15 03:19:17,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:17,112 INFO L225 Difference]: With dead ends: 184 [2019-10-15 03:19:17,112 INFO L226 Difference]: Without dead ends: 103 [2019-10-15 03:19:17,114 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:19:17,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-15 03:19:17,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-15 03:19:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-15 03:19:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 116 transitions. [2019-10-15 03:19:17,141 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 116 transitions. Word has length 45 [2019-10-15 03:19:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:17,143 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 116 transitions. [2019-10-15 03:19:17,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2019-10-15 03:19:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 03:19:17,148 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:17,148 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:17,150 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:17,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:17,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1867776691, now seen corresponding path program 1 times [2019-10-15 03:19:17,151 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:17,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253101088] [2019-10-15 03:19:17,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:17,302 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253101088] [2019-10-15 03:19:17,303 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:17,303 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:19:17,303 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215048863] [2019-10-15 03:19:17,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:19:17,304 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:17,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:19:17,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:19:17,305 INFO L87 Difference]: Start difference. First operand 103 states and 116 transitions. Second operand 5 states. [2019-10-15 03:19:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:17,793 INFO L93 Difference]: Finished difference Result 272 states and 319 transitions. [2019-10-15 03:19:17,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:19:17,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-15 03:19:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:17,796 INFO L225 Difference]: With dead ends: 272 [2019-10-15 03:19:17,796 INFO L226 Difference]: Without dead ends: 191 [2019-10-15 03:19:17,797 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:19:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-15 03:19:17,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2019-10-15 03:19:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-10-15 03:19:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2019-10-15 03:19:17,821 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 58 [2019-10-15 03:19:17,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:17,821 INFO L462 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2019-10-15 03:19:17,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:19:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2019-10-15 03:19:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-15 03:19:17,823 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:17,824 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:17,824 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:17,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1407061942, now seen corresponding path program 1 times [2019-10-15 03:19:17,825 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:17,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083308827] [2019-10-15 03:19:17,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,825 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:17,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:17,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083308827] [2019-10-15 03:19:17,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:17,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:19:17,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901100098] [2019-10-15 03:19:17,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:19:17,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:17,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:19:17,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:19:17,948 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 6 states. [2019-10-15 03:19:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:18,165 INFO L93 Difference]: Finished difference Result 470 states and 535 transitions. [2019-10-15 03:19:18,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 03:19:18,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-15 03:19:18,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:18,171 INFO L225 Difference]: With dead ends: 470 [2019-10-15 03:19:18,172 INFO L226 Difference]: Without dead ends: 316 [2019-10-15 03:19:18,175 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:19:18,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2019-10-15 03:19:18,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 306. [2019-10-15 03:19:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-15 03:19:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 337 transitions. [2019-10-15 03:19:18,220 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 337 transitions. Word has length 67 [2019-10-15 03:19:18,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:18,221 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 337 transitions. [2019-10-15 03:19:18,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:19:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 337 transitions. [2019-10-15 03:19:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 03:19:18,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:18,223 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:19:18,224 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:18,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2111309876, now seen corresponding path program 1 times [2019-10-15 03:19:18,224 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:18,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488876411] [2019-10-15 03:19:18,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:18,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488876411] [2019-10-15 03:19:18,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:19:18,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:19:18,351 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054873406] [2019-10-15 03:19:18,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:19:18,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:18,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:19:18,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:19:18,354 INFO L87 Difference]: Start difference. First operand 306 states and 337 transitions. Second operand 7 states. [2019-10-15 03:19:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:18,916 INFO L93 Difference]: Finished difference Result 332 states and 374 transitions. [2019-10-15 03:19:18,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:19:18,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 03:19:18,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:18,923 INFO L225 Difference]: With dead ends: 332 [2019-10-15 03:19:18,923 INFO L226 Difference]: Without dead ends: 329 [2019-10-15 03:19:18,924 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:19:18,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-15 03:19:18,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 306. [2019-10-15 03:19:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-15 03:19:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 336 transitions. [2019-10-15 03:19:18,961 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 336 transitions. Word has length 70 [2019-10-15 03:19:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:18,965 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 336 transitions. [2019-10-15 03:19:18,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:19:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 336 transitions. [2019-10-15 03:19:18,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-15 03:19:18,967 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:18,967 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 03:19:18,967 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:18,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:18,968 INFO L82 PathProgramCache]: Analyzing trace with hash 761408119, now seen corresponding path program 1 times [2019-10-15 03:19:18,971 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:18,972 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083732155] [2019-10-15 03:19:18,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,972 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:18,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:19,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083732155] [2019-10-15 03:19:19,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289621614] [2019-10-15 03:19:19,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:19,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:19,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:19,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:19:19,621 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:19:20,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:20,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-15 03:19:20,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455451806] [2019-10-15 03:19:20,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:20,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:20,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:20,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:19:20,281 INFO L87 Difference]: Start difference. First operand 306 states and 336 transitions. Second operand 11 states. [2019-10-15 03:19:20,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:20,972 INFO L93 Difference]: Finished difference Result 699 states and 800 transitions. [2019-10-15 03:19:20,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:20,972 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2019-10-15 03:19:20,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:20,976 INFO L225 Difference]: With dead ends: 699 [2019-10-15 03:19:20,977 INFO L226 Difference]: Without dead ends: 415 [2019-10-15 03:19:20,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:20,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-15 03:19:21,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 407. [2019-10-15 03:19:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-15 03:19:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 450 transitions. [2019-10-15 03:19:21,010 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 450 transitions. Word has length 83 [2019-10-15 03:19:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:21,010 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 450 transitions. [2019-10-15 03:19:21,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 450 transitions. [2019-10-15 03:19:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-15 03:19:21,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:19:21,014 INFO L380 BasicCegarLoop]: trace histogram [4, 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] [2019-10-15 03:19:21,220 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:21,221 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:19:21,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:19:21,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1148170321, now seen corresponding path program 1 times [2019-10-15 03:19:21,222 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:19:21,222 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449462375] [2019-10-15 03:19:21,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:21,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:19:21,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:19:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:19:21,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449462375] [2019-10-15 03:19:21,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067430228] [2019-10-15 03:19:21,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:19:21,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-15 03:19:21,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:19:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:19:21,867 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:19:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-15 03:19:22,329 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 03:19:22,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-15 03:19:22,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686092205] [2019-10-15 03:19:22,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:19:22,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:19:22,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:19:22,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-15 03:19:22,334 INFO L87 Difference]: Start difference. First operand 407 states and 450 transitions. Second operand 11 states. [2019-10-15 03:19:22,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:19:22,955 INFO L93 Difference]: Finished difference Result 958 states and 1086 transitions. [2019-10-15 03:19:22,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 03:19:22,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2019-10-15 03:19:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:19:22,956 INFO L225 Difference]: With dead ends: 958 [2019-10-15 03:19:22,956 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:19:22,959 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-15 03:19:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:19:22,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:19:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:19:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:19:22,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2019-10-15 03:19:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:19:22,961 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:19:22,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:19:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:19:22,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:19:23,174 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:19:23,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:19:24,727 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-10-15 03:19:24,727 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-10-15 03:19:24,727 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-15 03:19:24,728 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-10-15 03:19:24,729 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-10-15 03:19:24,729 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-10-15 03:19:24,729 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2019-10-15 03:19:24,729 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2019-10-15 03:19:24,729 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2019-10-15 03:19:24,729 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2019-10-15 03:19:24,730 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,730 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-10-15 03:19:24,730 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,730 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,730 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-10-15 03:19:24,730 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-10-15 03:19:24,730 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-15 03:19:24,730 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,731 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,731 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,731 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-15 03:19:24,731 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-15 03:19:24,731 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-10-15 03:19:24,731 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-15 03:19:24,731 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-15 03:19:24,732 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-15 03:19:24,733 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-15 03:19:24,733 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-15 03:19:24,733 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-15 03:19:24,733 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-15 03:19:24,733 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2019-10-15 03:19:24,733 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:24,733 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:24,734 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-10-15 03:19:24,734 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse1) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:24,734 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-15 03:19:24,734 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-10-15 03:19:24,734 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:24,734 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2019-10-15 03:19:24,734 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-10-15 03:19:24,735 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-10-15 03:19:24,736 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-10-15 03:19:24,736 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-10-15 03:19:24,736 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,736 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-10-15 03:19:24,736 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-10-15 03:19:24,736 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2019-10-15 03:19:24,736 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2019-10-15 03:19:24,737 INFO L446 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2019-10-15 03:19:24,737 INFO L443 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-10-15 03:19:24,737 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:24,737 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2019-10-15 03:19:24,737 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 03:19:24,737 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 03:19:24,737 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:19:24,738 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-10-15 03:19:24,738 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-10-15 03:19:24,738 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:24,738 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,738 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:24,738 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-10-15 03:19:24,739 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:19:24,739 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-10-15 03:19:24,739 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-10-15 03:19:24,739 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2019-10-15 03:19:24,739 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2019-10-15 03:19:24,739 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,739 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:24,740 INFO L439 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2019-10-15 03:19:24,740 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-10-15 03:19:24,740 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-10-15 03:19:24,740 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2019-10-15 03:19:24,740 INFO L439 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,740 INFO L439 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,740 INFO L443 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-10-15 03:19:24,741 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:24,741 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-10-15 03:19:24,742 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-15 03:19:24,743 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:19:24,744 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:24,744 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-10-15 03:19:24,744 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,744 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-10-15 03:19:24,744 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2019-10-15 03:19:24,744 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,744 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))) [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 03:19:24,745 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-10-15 03:19:24,745 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2019-10-15 03:19:24,745 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 03:19:24,745 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 03:19:24,746 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:24,746 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:19:24,746 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 03:19:24,746 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 03:19:24,746 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,746 INFO L439 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,746 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (and (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-15 03:19:24,746 INFO L443 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2019-10-15 03:19:24,747 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-15 03:19:24,747 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2019-10-15 03:19:24,747 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2019-10-15 03:19:24,747 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-15 03:19:24,747 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-10-15 03:19:24,747 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-10-15 03:19:24,747 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-10-15 03:19:24,747 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-10-15 03:19:24,747 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-15 03:19:24,748 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-15 03:19:24,748 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-10-15 03:19:24,748 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-15 03:19:24,748 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 03:19:24,748 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 03:19:24,748 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-10-15 03:19:24,748 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-10-15 03:19:24,748 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:19:24,749 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-15 03:19:24,749 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:19:24,749 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:19:24,749 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 03:19:24,749 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-15 03:19:24,749 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-15 03:19:24,749 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-10-15 03:19:24,749 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-15 03:19:24,750 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 03:19:24,750 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-15 03:19:24,750 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-10-15 03:19:24,750 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2019-10-15 03:19:24,750 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-15 03:19:24,750 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2019-10-15 03:19:24,750 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-15 03:19:24,750 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2019-10-15 03:19:24,751 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 03:19:24,751 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-10-15 03:19:24,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:19:24 BoogieIcfgContainer [2019-10-15 03:19:24,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:19:24,768 INFO L168 Benchmark]: Toolchain (without parser) took 11639.68 ms. Allocated memory was 142.1 MB in the beginning and 339.2 MB in the end (delta: 197.1 MB). Free memory was 106.0 MB in the beginning and 217.0 MB in the end (delta: -111.0 MB). Peak memory consumption was 208.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,769 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 125.4 MB in the beginning and 125.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.20 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 105.8 MB in the beginning and 171.2 MB in the end (delta: -65.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,771 INFO L168 Benchmark]: Boogie Preprocessor took 87.36 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,772 INFO L168 Benchmark]: RCFGBuilder took 1784.98 ms. Allocated memory was 204.5 MB in the beginning and 230.7 MB in the end (delta: 26.2 MB). Free memory was 166.8 MB in the beginning and 134.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,773 INFO L168 Benchmark]: TraceAbstraction took 9096.80 ms. Allocated memory was 230.7 MB in the beginning and 339.2 MB in the end (delta: 108.5 MB). Free memory was 134.5 MB in the beginning and 217.0 MB in the end (delta: -82.5 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. [2019-10-15 03:19:24,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 125.4 MB in the beginning and 125.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.20 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 105.8 MB in the beginning and 171.2 MB in the end (delta: -65.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.36 ms. Allocated memory is still 204.5 MB. Free memory was 171.2 MB in the beginning and 166.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1784.98 ms. Allocated memory was 204.5 MB in the beginning and 230.7 MB in the end (delta: 26.2 MB). Free memory was 166.8 MB in the beginning and 134.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9096.80 ms. Allocated memory was 230.7 MB in the beginning and 339.2 MB in the end (delta: 108.5 MB). Free memory was 134.5 MB in the beginning and 217.0 MB in the end (delta: -82.5 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == splverifierCounter && pumpRunning == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, HoareTripleCheckerStatistics: 992 SDtfs, 610 SDslu, 2464 SDs, 0 SdLazy, 1501 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 56 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 909 PreInvPairs, 964 NumberOfFragments, 672 HoareAnnotationTreeSize, 909 FomulaSimplifications, 1265 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 2377 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 946 ConstructedInterpolants, 0 QuantifiedInterpolants, 149050 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1576 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 116/123 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...