./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:21:49,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:21:49,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:21:49,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:21:49,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:21:49,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:21:49,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:21:49,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:21:49,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:21:49,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:21:49,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:21:49,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:21:49,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:21:49,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:21:49,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:21:49,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:21:49,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:21:49,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:21:49,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:21:49,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:21:49,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:21:49,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:21:49,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:21:49,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:21:49,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:21:49,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:21:49,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:21:49,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:21:49,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:21:49,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:21:49,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:21:49,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:21:49,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:21:49,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:21:49,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:21:49,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:21:49,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:21:49,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:21:49,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:21:49,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:21:49,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:21:49,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:21:49,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:21:49,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:21:49,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:21:49,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:21:49,791 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:21:49,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:21:49,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:21:49,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:21:49,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:21:49,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:21:49,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:21:49,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:21:49,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:21:49,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:21:49,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:21:49,794 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:21:49,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:21:49,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:21:49,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:21:49,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:21:49,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:21:49,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:21:49,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:21:49,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:21:49,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:21:49,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:21:49,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:21:49,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:21:49,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2019-11-19 21:21:50,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:21:50,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:21:50,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:21:50,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:21:50,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:21:50,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-11-19 21:21:50,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea4e35bb/27d40995919840fca515f658f3d1029e/FLAG6a8c3f0e4 [2019-11-19 21:21:50,773 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:21:50,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-11-19 21:21:50,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea4e35bb/27d40995919840fca515f658f3d1029e/FLAG6a8c3f0e4 [2019-11-19 21:21:51,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea4e35bb/27d40995919840fca515f658f3d1029e [2019-11-19 21:21:51,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:21:51,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:21:51,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:51,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:21:51,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:21:51,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbddb29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51, skipping insertion in model container [2019-11-19 21:21:51,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:21:51,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:21:51,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:51,658 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:21:51,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:21:51,802 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:21:51,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51 WrapperNode [2019-11-19 21:21:51,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:21:51,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:51,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:21:51,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:21:51,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:21:51,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:21:51,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:21:51,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:21:51,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... [2019-11-19 21:21:51,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:21:51,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:21:51,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:21:51,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:21:51,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:21:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:21:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:21:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:21:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:21:52,776 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:21:52,777 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-19 21:21:52,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:52 BoogieIcfgContainer [2019-11-19 21:21:52,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:21:52,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:21:52,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:21:52,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:21:52,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:21:51" (1/3) ... [2019-11-19 21:21:52,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271cecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:52, skipping insertion in model container [2019-11-19 21:21:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:21:51" (2/3) ... [2019-11-19 21:21:52,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271cecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:21:52, skipping insertion in model container [2019-11-19 21:21:52,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:52" (3/3) ... [2019-11-19 21:21:52,790 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2019-11-19 21:21:52,801 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:21:52,813 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:21:52,827 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:21:52,871 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:21:52,872 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:21:52,872 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:21:52,872 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:21:52,874 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:21:52,874 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:21:52,875 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:21:52,875 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:21:52,894 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-11-19 21:21:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:21:52,901 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:52,903 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:21:52,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:52,908 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-11-19 21:21:52,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:52,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159678007] [2019-11-19 21:21:52,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:21:53,211 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159678007] [2019-11-19 21:21:53,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:53,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:21:53,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616375725] [2019-11-19 21:21:53,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:21:53,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:53,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:21:53,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:21:53,231 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-11-19 21:21:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:53,259 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-11-19 21:21:53,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:21:53,260 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:21:53,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:53,274 INFO L225 Difference]: With dead ends: 136 [2019-11-19 21:21:53,274 INFO L226 Difference]: Without dead ends: 67 [2019-11-19 21:21:53,279 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:21:53,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-19 21:21:53,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-11-19 21:21:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-11-19 21:21:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-11-19 21:21:53,323 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-11-19 21:21:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:53,323 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-11-19 21:21:53,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:21:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-11-19 21:21:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:21:53,325 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:53,325 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:21:53,326 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:53,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-11-19 21:21:53,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:53,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838927330] [2019-11-19 21:21:53,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:21:53,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838927330] [2019-11-19 21:21:53,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:53,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:21:53,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007995426] [2019-11-19 21:21:53,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:21:53,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:53,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:21:53,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:21:53,454 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-11-19 21:21:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:53,480 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-11-19 21:21:53,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:21:53,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:21:53,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:53,484 INFO L225 Difference]: With dead ends: 67 [2019-11-19 21:21:53,484 INFO L226 Difference]: Without dead ends: 33 [2019-11-19 21:21:53,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:21:53,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-19 21:21:53,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-11-19 21:21:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-19 21:21:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-11-19 21:21:53,495 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-11-19 21:21:53,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:53,496 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-11-19 21:21:53,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:21:53,496 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-11-19 21:21:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:21:53,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:53,498 INFO L410 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] [2019-11-19 21:21:53,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:53,499 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-11-19 21:21:53,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:53,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199544519] [2019-11-19 21:21:53,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:21:53,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199544519] [2019-11-19 21:21:53,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:53,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:21:53,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531338184] [2019-11-19 21:21:53,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:21:53,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:53,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:21:53,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:21:53,611 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-11-19 21:21:53,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:53,650 INFO L93 Difference]: Finished difference Result 87 states and 126 transitions. [2019-11-19 21:21:53,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:21:53,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-19 21:21:53,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:53,653 INFO L225 Difference]: With dead ends: 87 [2019-11-19 21:21:53,653 INFO L226 Difference]: Without dead ends: 60 [2019-11-19 21:21:53,654 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:21:53,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-19 21:21:53,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 56. [2019-11-19 21:21:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-11-19 21:21:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2019-11-19 21:21:53,665 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 22 [2019-11-19 21:21:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:53,666 INFO L462 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2019-11-19 21:21:53,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:21:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2019-11-19 21:21:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 21:21:53,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:53,668 INFO L410 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] [2019-11-19 21:21:53,668 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:53,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:53,669 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-11-19 21:21:53,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:53,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086808487] [2019-11-19 21:21:53,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:21:53,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086808487] [2019-11-19 21:21:53,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:53,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:21:53,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929890692] [2019-11-19 21:21:53,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:21:53,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:53,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:21:53,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:21:53,818 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2019-11-19 21:21:54,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:54,005 INFO L93 Difference]: Finished difference Result 260 states and 398 transitions. [2019-11-19 21:21:54,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:21:54,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-19 21:21:54,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:54,009 INFO L225 Difference]: With dead ends: 260 [2019-11-19 21:21:54,010 INFO L226 Difference]: Without dead ends: 210 [2019-11-19 21:21:54,011 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:21:54,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2019-11-19 21:21:54,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 100. [2019-11-19 21:21:54,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-19 21:21:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 145 transitions. [2019-11-19 21:21:54,031 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 145 transitions. Word has length 23 [2019-11-19 21:21:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:54,032 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 145 transitions. [2019-11-19 21:21:54,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:21:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2019-11-19 21:21:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:21:54,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:21:54,034 INFO L410 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] [2019-11-19 21:21:54,034 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:21:54,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:21:54,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2019-11-19 21:21:54,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:21:54,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218291993] [2019-11-19 21:21:54,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:21:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:21:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:21:54,122 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218291993] [2019-11-19 21:21:54,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:21:54,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:21:54,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269932378] [2019-11-19 21:21:54,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:21:54,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:21:54,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:21:54,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:21:54,125 INFO L87 Difference]: Start difference. First operand 100 states and 145 transitions. Second operand 5 states. [2019-11-19 21:21:54,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:21:54,232 INFO L93 Difference]: Finished difference Result 296 states and 443 transitions. [2019-11-19 21:21:54,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:21:54,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-19 21:21:54,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:21:54,234 INFO L225 Difference]: With dead ends: 296 [2019-11-19 21:21:54,234 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:21:54,239 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:21:54,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:21:54,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:21:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:21:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:21:54,240 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-11-19 21:21:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:21:54,241 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:21:54,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:21:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:21:54,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:21:54,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:21:54,488 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,488 INFO L444 ceAbstractionStarter]: For program point L845(lines 845 849) no Hoare annotation was computed. [2019-11-19 21:21:54,488 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:21:54,489 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 809) no Hoare annotation was computed. [2019-11-19 21:21:54,489 INFO L440 ceAbstractionStarter]: At program point L796-1(lines 1 893) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,489 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 809) no Hoare annotation was computed. [2019-11-19 21:21:54,489 INFO L440 ceAbstractionStarter]: At program point L796-3(lines 1 893) the Hoare annotation is: false [2019-11-19 21:21:54,490 INFO L444 ceAbstractionStarter]: For program point L796-4(lines 796 809) no Hoare annotation was computed. [2019-11-19 21:21:54,490 INFO L440 ceAbstractionStarter]: At program point L796-5(lines 1 893) the Hoare annotation is: false [2019-11-19 21:21:54,490 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2019-11-19 21:21:54,490 INFO L440 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,491 INFO L440 ceAbstractionStarter]: At program point L137-1(lines 137 143) the Hoare annotation is: false [2019-11-19 21:21:54,491 INFO L440 ceAbstractionStarter]: At program point L137-2(lines 137 143) the Hoare annotation is: false [2019-11-19 21:21:54,491 INFO L447 ceAbstractionStarter]: At program point L783(lines 764 786) the Hoare annotation is: true [2019-11-19 21:21:54,491 INFO L440 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: false [2019-11-19 21:21:54,492 INFO L444 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2019-11-19 21:21:54,492 INFO L444 ceAbstractionStarter]: For program point L800(lines 800 806) no Hoare annotation was computed. [2019-11-19 21:21:54,492 INFO L444 ceAbstractionStarter]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2019-11-19 21:21:54,492 INFO L444 ceAbstractionStarter]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2019-11-19 21:21:54,493 INFO L444 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2019-11-19 21:21:54,493 INFO L440 ceAbstractionStarter]: At program point L751(lines 747 753) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:54,493 INFO L440 ceAbstractionStarter]: At program point L206(lines 199 209) the Hoare annotation is: false [2019-11-19 21:21:54,493 INFO L440 ceAbstractionStarter]: At program point L206-1(lines 199 209) the Hoare annotation is: false [2019-11-19 21:21:54,494 INFO L440 ceAbstractionStarter]: At program point L206-2(lines 199 209) the Hoare annotation is: false [2019-11-19 21:21:54,494 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:21:54,494 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2019-11-19 21:21:54,494 INFO L440 ceAbstractionStarter]: At program point L670(lines 1 893) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:54,495 INFO L440 ceAbstractionStarter]: At program point L703-2(lines 703 717) the Hoare annotation is: false [2019-11-19 21:21:54,495 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,495 INFO L444 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,495 INFO L444 ceAbstractionStarter]: For program point L687-1(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,496 INFO L444 ceAbstractionStarter]: For program point L687-2(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,496 INFO L444 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2019-11-19 21:21:54,496 INFO L440 ceAbstractionStarter]: At program point L76-1(lines 76 82) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,496 INFO L444 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2019-11-19 21:21:54,497 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 265) no Hoare annotation was computed. [2019-11-19 21:21:54,497 INFO L440 ceAbstractionStarter]: At program point L259-1(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,497 INFO L444 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2019-11-19 21:21:54,498 INFO L440 ceAbstractionStarter]: At program point L94-1(lines 130 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,498 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:21:54,498 INFO L444 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-11-19 21:21:54,498 INFO L444 ceAbstractionStarter]: For program point L821-3(lines 821 825) no Hoare annotation was computed. [2019-11-19 21:21:54,498 INFO L444 ceAbstractionStarter]: For program point L821-6(lines 821 825) no Hoare annotation was computed. [2019-11-19 21:21:54,499 INFO L444 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-11-19 21:21:54,499 INFO L444 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2019-11-19 21:21:54,499 INFO L444 ceAbstractionStarter]: For program point L707-1(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:21:54,499 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 162 179) no Hoare annotation was computed. [2019-11-19 21:21:54,500 INFO L444 ceAbstractionStarter]: For program point L162-2(lines 162 179) no Hoare annotation was computed. [2019-11-19 21:21:54,500 INFO L444 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2019-11-19 21:21:54,500 INFO L447 ceAbstractionStarter]: At program point L774-1(lines 774 781) the Hoare annotation is: true [2019-11-19 21:21:54,500 INFO L440 ceAbstractionStarter]: At program point L130(lines 129 148) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,501 INFO L444 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-11-19 21:21:54,501 INFO L440 ceAbstractionStarter]: At program point L130-2(lines 129 148) the Hoare annotation is: false [2019-11-19 21:21:54,501 INFO L440 ceAbstractionStarter]: At program point L130-3(lines 129 148) the Hoare annotation is: false [2019-11-19 21:21:54,501 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:21:54,502 INFO L440 ceAbstractionStarter]: At program point L858(lines 853 861) the Hoare annotation is: false [2019-11-19 21:21:54,502 INFO L440 ceAbstractionStarter]: At program point L858-1(lines 853 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,502 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 687) no Hoare annotation was computed. [2019-11-19 21:21:54,502 INFO L440 ceAbstractionStarter]: At program point L858-2(lines 853 861) the Hoare annotation is: false [2019-11-19 21:21:54,503 INFO L440 ceAbstractionStarter]: At program point L858-3(lines 853 861) the Hoare annotation is: false [2019-11-19 21:21:54,503 INFO L440 ceAbstractionStarter]: At program point L858-4(lines 853 861) the Hoare annotation is: false [2019-11-19 21:21:54,503 INFO L440 ceAbstractionStarter]: At program point L858-5(lines 853 861) the Hoare annotation is: false [2019-11-19 21:21:54,504 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-19 21:21:54,504 INFO L440 ceAbstractionStarter]: At program point L66-1(lines 66 72) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,504 INFO L440 ceAbstractionStarter]: At program point L215(lines 210 218) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:21:54,504 INFO L440 ceAbstractionStarter]: At program point L215-1(lines 210 218) the Hoare annotation is: false [2019-11-19 21:21:54,505 INFO L440 ceAbstractionStarter]: At program point L215-2(lines 210 218) the Hoare annotation is: false [2019-11-19 21:21:54,505 INFO L440 ceAbstractionStarter]: At program point L678(lines 673 681) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-19 21:21:54,505 INFO L444 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2019-11-19 21:21:54,505 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 174) no Hoare annotation was computed. [2019-11-19 21:21:54,505 INFO L444 ceAbstractionStarter]: For program point L166-2(lines 166 174) no Hoare annotation was computed. [2019-11-19 21:21:54,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:21:54 BoogieIcfgContainer [2019-11-19 21:21:54,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:21:54,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:21:54,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:21:54,528 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:21:54,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:21:52" (3/4) ... [2019-11-19 21:21:54,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:21:54,552 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:21:54,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 21:21:54,553 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:21:54,554 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 21:21:54,555 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:21:54,555 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:21:54,590 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter [2019-11-19 21:21:54,670 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:21:54,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:21:54,673 INFO L168 Benchmark]: Toolchain (without parser) took 3540.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.7 MB in the beginning and 910.7 MB in the end (delta: 47.0 MB). Peak memory consumption was 174.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,673 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:21:54,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,675 INFO L168 Benchmark]: Boogie Preprocessor took 39.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:21:54,675 INFO L168 Benchmark]: RCFGBuilder took 861.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,676 INFO L168 Benchmark]: TraceAbstraction took 1746.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.1 MB in the end (delta: 127.0 MB). Peak memory consumption was 127.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,677 INFO L168 Benchmark]: Witness Printer took 142.96 ms. Allocated memory is still 1.2 GB. Free memory was 924.1 MB in the beginning and 910.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:21:54,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -151.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 861.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1746.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.1 MB in the end (delta: 127.0 MB). Peak memory consumption was 127.0 MB. Max. memory is 11.5 GB. * Witness Printer took 142.96 ms. Allocated memory is still 1.2 GB. Free memory was 924.1 MB in the beginning and 910.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 673]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 308 SDtfs, 317 SDslu, 299 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...