./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.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 a45474bbddd00a02338fe4b16e46d3dadff1b340 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:42:36,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:36,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:36,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:36,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:36,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:36,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:36,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:36,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:36,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:36,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:36,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:36,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:36,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:36,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:36,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:36,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:36,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:36,994 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:36,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:36,997 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:36,998 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:37,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:37,001 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:37,001 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:37,002 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:37,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:37,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:37,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:37,007 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:37,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:37,008 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:37,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:37,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:37,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:37,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:37,011 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:37,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:37,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:37,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:37,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:37,029 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:37,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:37,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:37,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:37,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:37,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:37,031 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:37,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:37,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:37,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:37,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:37,032 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:37,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:37,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:37,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:37,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:37,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:37,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:37,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:37,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:37,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:37,035 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:37,035 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:37,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:37,035 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> a45474bbddd00a02338fe4b16e46d3dadff1b340 [2018-12-31 09:42:37,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:37,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:37,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:37,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:37,109 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:37,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:37,184 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e0f434/8170d13848d24967a3543df46d0b9fe9/FLAG7300181b5 [2018-12-31 09:42:37,727 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:37,727 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:37,738 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e0f434/8170d13848d24967a3543df46d0b9fe9/FLAG7300181b5 [2018-12-31 09:42:38,015 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0e0f434/8170d13848d24967a3543df46d0b9fe9 [2018-12-31 09:42:38,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:38,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:38,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:38,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:38,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:38,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22099427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38, skipping insertion in model container [2018-12-31 09:42:38,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:38,096 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:38,477 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:38,512 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:38,606 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:38,644 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:38,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38 WrapperNode [2018-12-31 09:42:38,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:38,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:38,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:38,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:38,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:38,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:38,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:38,823 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:38,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (1/1) ... [2018-12-31 09:42:38,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:38,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:38,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:38,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:38,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (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 [2018-12-31 09:42:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:40,013 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:40,014 INFO L280 CfgBuilder]: Removed 78 assue(true) statements. [2018-12-31 09:42:40,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:40 BoogieIcfgContainer [2018-12-31 09:42:40,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:40,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:40,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:40,020 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:40,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:38" (1/3) ... [2018-12-31 09:42:40,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e31d192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:40, skipping insertion in model container [2018-12-31 09:42:40,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38" (2/3) ... [2018-12-31 09:42:40,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e31d192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:40, skipping insertion in model container [2018-12-31 09:42:40,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:40" (3/3) ... [2018-12-31 09:42:40,026 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:40,035 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:40,042 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:40,059 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:40,093 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:40,094 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:40,094 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:40,094 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:40,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:40,096 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:40,096 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:40,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:40,097 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-12-31 09:42:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:40,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,123 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:40,125 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1390476085, now seen corresponding path program 1 times [2018-12-31 09:42:40,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:40,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:40,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:40,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:40,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:40,439 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-12-31 09:42:40,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:40,468 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2018-12-31 09:42:40,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:40,469 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:40,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:40,485 INFO L225 Difference]: With dead ends: 124 [2018-12-31 09:42:40,486 INFO L226 Difference]: Without dead ends: 61 [2018-12-31 09:42:40,490 INFO L631 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 [2018-12-31 09:42:40,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-31 09:42:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-31 09:42:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-31 09:42:40,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2018-12-31 09:42:40,535 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2018-12-31 09:42:40,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:40,536 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2018-12-31 09:42:40,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-12-31 09:42:40,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:40,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:40,538 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,539 INFO L82 PathProgramCache]: Analyzing trace with hash -963834589, now seen corresponding path program 1 times [2018-12-31 09:42:40,539 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:40,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:40,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:40,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:40,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:40,711 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2018-12-31 09:42:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:40,736 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2018-12-31 09:42:40,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:40,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:40,738 INFO L225 Difference]: With dead ends: 61 [2018-12-31 09:42:40,738 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:42:40,739 INFO L631 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 [2018-12-31 09:42:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:42:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:42:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:42:40,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-12-31 09:42:40,746 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2018-12-31 09:42:40,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:40,747 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-12-31 09:42:40,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-12-31 09:42:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:40,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,749 INFO L402 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] [2018-12-31 09:42:40,750 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1411810197, now seen corresponding path program 1 times [2018-12-31 09:42:40,750 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,750 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:40,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:40,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:40,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:40,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:40,885 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-12-31 09:42:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:40,969 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2018-12-31 09:42:40,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:40,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:42:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:40,972 INFO L225 Difference]: With dead ends: 81 [2018-12-31 09:42:40,972 INFO L226 Difference]: Without dead ends: 56 [2018-12-31 09:42:40,973 INFO L631 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 [2018-12-31 09:42:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-31 09:42:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2018-12-31 09:42:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-31 09:42:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2018-12-31 09:42:40,984 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2018-12-31 09:42:40,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:40,985 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2018-12-31 09:42:40,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:40,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-12-31 09:42:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:40,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,986 INFO L402 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] [2018-12-31 09:42:40,987 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1755761006, now seen corresponding path program 1 times [2018-12-31 09:42:40,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:41,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:41,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:41,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:41,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:41,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:41,103 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2018-12-31 09:42:41,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:41,493 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2018-12-31 09:42:41,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:41,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 09:42:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:41,499 INFO L225 Difference]: With dead ends: 264 [2018-12-31 09:42:41,500 INFO L226 Difference]: Without dead ends: 218 [2018-12-31 09:42:41,501 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:42:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-31 09:42:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2018-12-31 09:42:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-12-31 09:42:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2018-12-31 09:42:41,522 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2018-12-31 09:42:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:41,522 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-12-31 09:42:41,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2018-12-31 09:42:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:42:41,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:41,524 INFO L402 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] [2018-12-31 09:42:41,524 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash 120698128, now seen corresponding path program 1 times [2018-12-31 09:42:41,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:41,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:41,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:41,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:41,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:42,521 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:42,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:42 BoogieIcfgContainer [2018-12-31 09:42:42,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:42,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:42,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:42,645 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:42,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:40" (3/4) ... [2018-12-31 09:42:42,651 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:42,762 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:42,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:42,763 INFO L168 Benchmark]: Toolchain (without parser) took 4743.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 951.4 MB in the beginning and 834.5 MB in the end (delta: 116.9 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,765 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:42,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,768 INFO L168 Benchmark]: Boogie Preprocessor took 41.75 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. [2018-12-31 09:42:42,768 INFO L168 Benchmark]: RCFGBuilder took 1150.77 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,772 INFO L168 Benchmark]: TraceAbstraction took 2628.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.9 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,772 INFO L168 Benchmark]: Witness Printer took 117.54 ms. Allocated memory is still 1.2 GB. Free memory was 847.9 MB in the beginning and 834.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 176.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.75 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 1150.77 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: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2628.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.9 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. * Witness Printer took 117.54 ms. Allocated memory is still 1.2 GB. Free memory was 847.9 MB in the beginning and 834.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L790] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; [L864] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L415] int retValue_acc ; [L418] retValue_acc = 1 [L419] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] tmp = valid_product() [L872] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L94] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L96] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L102] tmp = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L324] COND TRUE waterLevel < 2 [L325] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L301] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L345] int retValue_acc ; [L348] retValue_acc = methaneLevelCritical [L349] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L238] int retValue_acc ; [L241] retValue_acc = pumpRunning [L242] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 3 error locations. UNSAFE Result, 2.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 238 SDtfs, 231 SDslu, 196 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 130 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 2755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...