./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product11_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_product11_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 024cd1c3d04a85b1ea51a85b80d9a485019f42aa ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:42:37,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:37,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:37,020 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:37,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:37,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:37,027 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:37,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:37,032 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:37,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:37,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:37,038 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:37,039 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:37,040 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:37,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:37,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:37,045 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:37,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:37,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:37,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:37,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:37,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:37,059 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:37,059 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:37,060 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:37,061 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:37,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:37,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:37,064 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:37,065 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:37,065 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:37,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:37,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:37,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:37,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:37,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:37,069 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:37,085 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:37,085 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:37,086 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:37,086 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:37,086 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:37,087 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:37,087 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:37,088 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:37,089 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:37,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:37,090 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:37,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:37,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:37,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:37,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:37,091 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:37,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:37,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:37,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:37,091 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:37,091 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:37,093 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:37,093 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:37,093 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 -> 024cd1c3d04a85b1ea51a85b80d9a485019f42aa [2018-12-31 09:42:37,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:37,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:37,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:37,152 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:37,153 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:37,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:37,213 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc37fa2/43eb7ad576bc41febece3a91196111de/FLAGb8550405c [2018-12-31 09:42:37,788 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:37,789 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:37,807 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc37fa2/43eb7ad576bc41febece3a91196111de/FLAGb8550405c [2018-12-31 09:42:37,988 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fc37fa2/43eb7ad576bc41febece3a91196111de [2018-12-31 09:42:37,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:37,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:37,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:37,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:38,003 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:38,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:37" (1/1) ... [2018-12-31 09:42:38,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acafce4 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 09:42:38,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:37" (1/1) ... [2018-12-31 09:42:38,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:38,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:38,489 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:38,520 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:38,642 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:38,756 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:38,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:38 WrapperNode [2018-12-31 09:42:38,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:38,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:38,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:38,759 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:38,769 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 09:42:38,792 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 09:42:38,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:38,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:38,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:38,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:38,861 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 09:42:38,861 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 09:42:38,875 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 09:42:38,876 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 09:42:38,890 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 09:42:38,908 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 09:42:38,912 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 09:42:38,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:38,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:38,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:38,919 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:38,920 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 09:42:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:40,080 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:40,080 INFO L280 CfgBuilder]: Removed 76 assue(true) statements. [2018-12-31 09:42:40,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:40 BoogieIcfgContainer [2018-12-31 09:42:40,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:40,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:40,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:40,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:40,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:37" (1/3) ... [2018-12-31 09:42:40,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1125c340 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 09:42:40,087 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 09:42:40,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1125c340 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 09:42:40,087 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 09:42:40,089 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:40,099 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:40,109 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:40,127 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:40,161 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:40,162 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:40,162 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:40,162 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:40,163 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:40,163 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:40,163 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:40,163 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:40,163 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-12-31 09:42:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:40,188 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,189 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 09:42:40,191 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1892552075, now seen corresponding path program 1 times [2018-12-31 09:42:40,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,483 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 09:42:40,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:40,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:40,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:40,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:40,505 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2018-12-31 09:42:40,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:40,530 INFO L93 Difference]: Finished difference Result 124 states and 185 transitions. [2018-12-31 09:42:40,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:40,532 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:40,544 INFO L225 Difference]: With dead ends: 124 [2018-12-31 09:42:40,544 INFO L226 Difference]: Without dead ends: 61 [2018-12-31 09:42:40,548 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 09:42:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-12-31 09:42:40,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-12-31 09:42:40,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-12-31 09:42:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 84 transitions. [2018-12-31 09:42:40,588 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 84 transitions. Word has length 18 [2018-12-31 09:42:40,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:40,589 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 84 transitions. [2018-12-31 09:42:40,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:40,589 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-12-31 09:42:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:40,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,590 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 09:42:40,591 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,591 INFO L82 PathProgramCache]: Analyzing trace with hash 177187266, now seen corresponding path program 1 times [2018-12-31 09:42:40,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,743 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 09:42:40,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:40,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:40,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:40,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:40,750 INFO L87 Difference]: Start difference. First operand 61 states and 84 transitions. Second operand 3 states. [2018-12-31 09:42:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:40,780 INFO L93 Difference]: Finished difference Result 61 states and 84 transitions. [2018-12-31 09:42:40,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:40,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:40,782 INFO L225 Difference]: With dead ends: 61 [2018-12-31 09:42:40,782 INFO L226 Difference]: Without dead ends: 31 [2018-12-31 09:42:40,787 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 09:42:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-31 09:42:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-31 09:42:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-31 09:42:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-12-31 09:42:40,799 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 19 [2018-12-31 09:42:40,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:40,799 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-12-31 09:42:40,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-12-31 09:42:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:40,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:40,802 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 09:42:40,803 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:40,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:40,804 INFO L82 PathProgramCache]: Analyzing trace with hash 755880693, now seen corresponding path program 1 times [2018-12-31 09:42:40,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:40,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:40,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:40,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:40,991 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 09:42:40,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:40,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:40,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:40,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:40,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:40,993 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-12-31 09:42:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:41,044 INFO L93 Difference]: Finished difference Result 81 states and 117 transitions. [2018-12-31 09:42:41,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:41,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:42:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:41,050 INFO L225 Difference]: With dead ends: 81 [2018-12-31 09:42:41,050 INFO L226 Difference]: Without dead ends: 56 [2018-12-31 09:42:41,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 09:42:41,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-31 09:42:41,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2018-12-31 09:42:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-31 09:42:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2018-12-31 09:42:41,073 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 24 [2018-12-31 09:42:41,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:41,075 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2018-12-31 09:42:41,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-12-31 09:42:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:41,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:41,078 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 09:42:41,079 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:41,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:41,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1883276786, now seen corresponding path program 1 times [2018-12-31 09:42:41,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:41,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:41,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:41,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:41,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:41,398 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 09:42:41,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:41,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:41,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:41,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:41,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:41,401 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2018-12-31 09:42:41,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:41,865 INFO L93 Difference]: Finished difference Result 264 states and 404 transitions. [2018-12-31 09:42:41,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:41,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-12-31 09:42:41,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:41,869 INFO L225 Difference]: With dead ends: 264 [2018-12-31 09:42:41,870 INFO L226 Difference]: Without dead ends: 218 [2018-12-31 09:42:41,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:42:41,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-31 09:42:41,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 92. [2018-12-31 09:42:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-12-31 09:42:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2018-12-31 09:42:41,911 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 24 [2018-12-31 09:42:41,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:41,911 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2018-12-31 09:42:41,912 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2018-12-31 09:42:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:42:41,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:41,914 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 09:42:41,915 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:41,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:41,915 INFO L82 PathProgramCache]: Analyzing trace with hash -535231376, now seen corresponding path program 1 times [2018-12-31 09:42:41,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:41,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:41,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:41,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:41,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:42,735 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:42,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:42 BoogieIcfgContainer [2018-12-31 09:42:42,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:42,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:42,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:42,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:42,869 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 09:42:42,871 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:42,992 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:42,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:42,993 INFO L168 Benchmark]: Toolchain (without parser) took 5000.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 946.0 MB in the beginning and 815.4 MB in the end (delta: 130.6 MB). Peak memory consumption was 243.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,995 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:42,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,997 INFO L168 Benchmark]: Boogie Preprocessor took 70.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:42,997 INFO L168 Benchmark]: RCFGBuilder took 1162.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,998 INFO L168 Benchmark]: TraceAbstraction took 2784.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.0 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:42,998 INFO L168 Benchmark]: Witness Printer took 125.05 ms. Allocated memory is still 1.1 GB. Free memory was 829.0 MB in the beginning and 815.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:43,009 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 761.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1162.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2784.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.0 MB in the end (delta: 218.1 MB). Peak memory consumption was 218.1 MB. Max. memory is 11.5 GB. * Witness Printer took 125.05 ms. Allocated memory is still 1.1 GB. Free memory was 829.0 MB in the beginning and 815.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 799]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L78] int cleanupTimeShifts = 4; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; [L159] int retValue_acc ; [L160] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] tmp = valid_product() [L168] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L738] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L740] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L746] tmp = __VERIFIER_nondet_int() [L748] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] COND TRUE waterLevel < 2 [L823] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp___0 = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] tmp___2 = __VERIFIER_nondet_int() [L768] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L602] 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 ; [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] 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)) [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] 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 [L668] int retValue_acc ; [L671] retValue_acc = pumpRunning [L672] 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] [L799] __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, 2.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 238 SDtfs, 219 SDslu, 197 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s 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, 0.5s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 3353 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...