./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f 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_product26_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 c4608a8062f27af1fb75c6b614ba3695c40f562a ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-12 14:47:51,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:47:51,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:47:51,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:47:51,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:47:51,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:47:51,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:47:51,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:47:51,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:47:51,848 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:47:51,849 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:47:51,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:47:51,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:47:51,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:47:51,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:47:51,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:47:51,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:47:51,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:47:51,859 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:47:51,861 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:47:51,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:47:51,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:47:51,866 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:47:51,866 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:47:51,866 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:47:51,867 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:47:51,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:47:51,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:47:51,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:47:51,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:47:51,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:47:51,873 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:47:51,873 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:47:51,873 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:47:51,875 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:47:51,875 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:47:51,876 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:47:51,891 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:47:51,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:47:51,893 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:47:51,893 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:47:51,893 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:47:51,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:47:51,894 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:47:51,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:47:51,894 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:47:51,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:47:51,894 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:47:51,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:47:51,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:47:51,897 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:47:51,897 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:47:51,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:47:51,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:51,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:47:51,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:47:51,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:47:51,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:47:51,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:47:51,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:47:51,899 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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2019-01-12 14:47:51,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:47:51,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:47:51,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:47:51,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:47:51,962 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:47:51,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:52,027 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397e5a415/8e38c66acb6547349b0ea21bd6e0f106/FLAGc548acdf0 [2019-01-12 14:47:52,513 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:47:52,514 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:52,528 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397e5a415/8e38c66acb6547349b0ea21bd6e0f106/FLAGc548acdf0 [2019-01-12 14:47:52,824 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397e5a415/8e38c66acb6547349b0ea21bd6e0f106 [2019-01-12 14:47:52,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:47:52,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:47:52,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:52,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:47:52,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:47:52,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1098f260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52, skipping insertion in model container [2019-01-12 14:47:52,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:47:52,914 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:47:53,313 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:53,339 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:47:53,554 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:53,596 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:47:53,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53 WrapperNode [2019-01-12 14:47:53,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:53,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:53,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:47:53,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:47:53,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:53,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:47:53,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:47:53,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:47:53,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... [2019-01-12 14:47:53,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:47:53,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:47:53,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:47:53,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:47:53,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:47:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:47:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:47:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:47:55,085 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:47:55,085 INFO L286 CfgBuilder]: Removed 104 assue(true) statements. [2019-01-12 14:47:55,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:55 BoogieIcfgContainer [2019-01-12 14:47:55,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:47:55,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:47:55,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:47:55,091 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:47:55,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:47:52" (1/3) ... [2019-01-12 14:47:55,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5464003a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:55, skipping insertion in model container [2019-01-12 14:47:55,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:53" (2/3) ... [2019-01-12 14:47:55,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5464003a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:55, skipping insertion in model container [2019-01-12 14:47:55,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:55" (3/3) ... [2019-01-12 14:47:55,095 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:55,105 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:47:55,113 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:47:55,130 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:47:55,159 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:47:55,160 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:47:55,160 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:47:55,161 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:47:55,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:47:55,161 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:47:55,161 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:47:55,162 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:47:55,162 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:47:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2019-01-12 14:47:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 14:47:55,183 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:55,183 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:55,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:55,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:55,191 INFO L82 PathProgramCache]: Analyzing trace with hash 928665618, now seen corresponding path program 1 times [2019-01-12 14:47:55,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:55,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:55,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:55,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:55,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:55,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:55,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:47:55,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:47:55,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:55,500 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2019-01-12 14:47:55,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:55,527 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2019-01-12 14:47:55,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:47:55,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-01-12 14:47:55,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:55,541 INFO L225 Difference]: With dead ends: 156 [2019-01-12 14:47:55,541 INFO L226 Difference]: Without dead ends: 77 [2019-01-12 14:47:55,545 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 [2019-01-12 14:47:55,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-12 14:47:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-01-12 14:47:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-01-12 14:47:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 108 transitions. [2019-01-12 14:47:55,591 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 108 transitions. Word has length 18 [2019-01-12 14:47:55,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:55,592 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 108 transitions. [2019-01-12 14:47:55,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:47:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-01-12 14:47:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:47:55,593 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:55,593 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:55,594 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:55,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:55,594 INFO L82 PathProgramCache]: Analyzing trace with hash 674916017, now seen corresponding path program 1 times [2019-01-12 14:47:55,595 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:55,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:55,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:55,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:55,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:55,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:47:55,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:55,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:55,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:55,763 INFO L87 Difference]: Start difference. First operand 77 states and 108 transitions. Second operand 3 states. [2019-01-12 14:47:55,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:55,788 INFO L93 Difference]: Finished difference Result 77 states and 108 transitions. [2019-01-12 14:47:55,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:55,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-01-12 14:47:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:55,790 INFO L225 Difference]: With dead ends: 77 [2019-01-12 14:47:55,790 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 14:47:55,791 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 [2019-01-12 14:47:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 14:47:55,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 14:47:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 14:47:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2019-01-12 14:47:55,798 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2019-01-12 14:47:55,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:55,798 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2019-01-12 14:47:55,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:55,799 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2019-01-12 14:47:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:47:55,800 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:55,800 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] [2019-01-12 14:47:55,801 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:55,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:55,801 INFO L82 PathProgramCache]: Analyzing trace with hash 492093711, now seen corresponding path program 1 times [2019-01-12 14:47:55,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:55,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:55,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:55,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:56,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:56,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:47:56,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:56,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:56,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:56,195 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2019-01-12 14:47:56,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:56,319 INFO L93 Difference]: Finished difference Result 64 states and 92 transitions. [2019-01-12 14:47:56,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:47:56,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-12 14:47:56,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:56,326 INFO L225 Difference]: With dead ends: 64 [2019-01-12 14:47:56,327 INFO L226 Difference]: Without dead ends: 35 [2019-01-12 14:47:56,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:47:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-12 14:47:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-12 14:47:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-12 14:47:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2019-01-12 14:47:56,346 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2019-01-12 14:47:56,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:56,347 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2019-01-12 14:47:56,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2019-01-12 14:47:56,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:47:56,348 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:56,348 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] [2019-01-12 14:47:56,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:56,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:56,349 INFO L82 PathProgramCache]: Analyzing trace with hash -147058101, now seen corresponding path program 1 times [2019-01-12 14:47:56,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:56,353 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:56,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:56,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:56,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:56,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:47:56,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:56,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:47:56,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:56,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:56,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:56,662 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2019-01-12 14:47:57,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:57,071 INFO L93 Difference]: Finished difference Result 172 states and 255 transitions. [2019-01-12 14:47:57,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:47:57,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-12 14:47:57,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:57,074 INFO L225 Difference]: With dead ends: 172 [2019-01-12 14:47:57,075 INFO L226 Difference]: Without dead ends: 143 [2019-01-12 14:47:57,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:47:57,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-01-12 14:47:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 60. [2019-01-12 14:47:57,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-12 14:47:57,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2019-01-12 14:47:57,090 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 25 [2019-01-12 14:47:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:57,091 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2019-01-12 14:47:57,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-01-12 14:47:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:47:57,092 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:57,092 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, 1] [2019-01-12 14:47:57,093 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:57,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:57,093 INFO L82 PathProgramCache]: Analyzing trace with hash -2106367091, now seen corresponding path program 1 times [2019-01-12 14:47:57,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:57,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:57,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:57,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:57,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:57,994 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 14:47:58,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:47:58 BoogieIcfgContainer [2019-01-12 14:47:58,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:47:58,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:47:58,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:47:58,107 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:47:58,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:55" (3/4) ... [2019-01-12 14:47:58,110 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 14:47:58,247 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:47:58,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:47:58,248 INFO L168 Benchmark]: Toolchain (without parser) took 5420.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -220.1 MB). Peak memory consumption was 289.1 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,250 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. [2019-01-12 14:47:58,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.20 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. [2019-01-12 14:47:58,252 INFO L168 Benchmark]: Boogie Preprocessor took 76.86 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. [2019-01-12 14:47:58,252 INFO L168 Benchmark]: RCFGBuilder took 1304.88 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,254 INFO L168 Benchmark]: TraceAbstraction took 3018.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.8 MB in the end (delta: 232.7 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,254 INFO L168 Benchmark]: Witness Printer took 140.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 794.8 MB in the beginning and 1.2 GB in the end (delta: -376.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,259 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 768.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.20 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. * Boogie Preprocessor took 76.86 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 1304.88 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3018.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 794.8 MB in the end (delta: 232.7 MB). Peak memory consumption was 232.7 MB. Max. memory is 11.5 GB. * Witness Printer took 140.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 794.8 MB in the beginning and 1.2 GB in the end (delta: -376.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND TRUE \read(tmp___2) [L826] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) [L689] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __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, 81 locations, 3 error locations. UNSAFE Result, 2.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 279 SDtfs, 367 SDslu, 187 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, 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, 83 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 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...