./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_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_product15_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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:42:41,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:41,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:41,633 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:41,634 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:41,635 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:41,637 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:41,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:41,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:41,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:41,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:41,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:41,653 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:41,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:41,655 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:41,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:41,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:41,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:41,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:41,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:41,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:41,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:41,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:41,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:41,669 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:41,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:41,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:41,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:41,672 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:41,675 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:41,676 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:41,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:41,676 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:41,677 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:41,677 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:41,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:41,679 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:41,695 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:41,695 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:41,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:41,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:41,697 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:41,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:41,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:41,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:41,698 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:41,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:41,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:41,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:41,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:41,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:41,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:41,702 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:41,702 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:41,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:41,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:41,702 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:41,705 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:41,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:41,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:41,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:41,706 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:41,706 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:41,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:41,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:41,706 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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2018-12-31 09:42:41,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:41,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:41,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:41,807 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:41,808 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:41,809 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:41,874 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05125b1a4/4c4ef87e46ae47b4b3866b2292495d03/FLAGb5173a7fb [2018-12-31 09:42:42,459 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:42,465 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:42,493 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05125b1a4/4c4ef87e46ae47b4b3866b2292495d03/FLAGb5173a7fb [2018-12-31 09:42:42,712 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05125b1a4/4c4ef87e46ae47b4b3866b2292495d03 [2018-12-31 09:42:42,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:42,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:42,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:42,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:42,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:42,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:42" (1/1) ... [2018-12-31 09:42:42,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf8b1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:42, skipping insertion in model container [2018-12-31 09:42:42,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:42" (1/1) ... [2018-12-31 09:42:42,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:42,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:43,181 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:43,198 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:43,350 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:43,391 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:43,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43 WrapperNode [2018-12-31 09:42:43,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:43,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:43,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:43,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:43,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:43,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:43,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:43,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:43,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (1/1) ... [2018-12-31 09:42:43,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:43,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:43,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:43,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:43,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (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 09:42:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:43,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:43,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:44,881 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:44,882 INFO L280 CfgBuilder]: Removed 106 assue(true) statements. [2018-12-31 09:42:44,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:44 BoogieIcfgContainer [2018-12-31 09:42:44,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:44,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:44,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:44,888 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:44,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:42" (1/3) ... [2018-12-31 09:42:44,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddfc25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:44, skipping insertion in model container [2018-12-31 09:42:44,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:43" (2/3) ... [2018-12-31 09:42:44,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ddfc25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:44, skipping insertion in model container [2018-12-31 09:42:44,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:44" (3/3) ... [2018-12-31 09:42:44,893 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:44,904 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:44,913 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:44,932 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:44,965 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:44,965 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:44,966 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:44,966 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:44,966 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:44,966 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:44,966 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:44,967 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:44,967 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-12-31 09:42:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:44,999 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:45,001 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 09:42:45,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:45,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:45,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2018-12-31 09:42:45,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:45,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:45,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:45,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:45,329 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 09:42:45,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:45,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:45,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:45,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:45,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:45,351 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-12-31 09:42:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:45,380 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2018-12-31 09:42:45,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:45,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:45,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:45,396 INFO L225 Difference]: With dead ends: 148 [2018-12-31 09:42:45,397 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 09:42:45,401 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 09:42:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 09:42:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-12-31 09:42:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-12-31 09:42:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2018-12-31 09:42:45,450 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2018-12-31 09:42:45,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:45,451 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2018-12-31 09:42:45,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2018-12-31 09:42:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:45,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:45,453 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 09:42:45,454 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:45,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:45,454 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2018-12-31 09:42:45,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:45,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:45,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:45,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:45,608 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 09:42:45,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:45,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:45,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:45,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:45,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:45,613 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2018-12-31 09:42:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:45,639 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2018-12-31 09:42:45,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:45,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:45,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:45,641 INFO L225 Difference]: With dead ends: 73 [2018-12-31 09:42:45,641 INFO L226 Difference]: Without dead ends: 35 [2018-12-31 09:42:45,643 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 09:42:45,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-31 09:42:45,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-12-31 09:42:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-12-31 09:42:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2018-12-31 09:42:45,650 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2018-12-31 09:42:45,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:45,650 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2018-12-31 09:42:45,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-12-31 09:42:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:45,653 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:45,653 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 09:42:45,653 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:45,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:45,654 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2018-12-31 09:42:45,655 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:45,655 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:45,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:45,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:45,789 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 09:42:45,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:45,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:45,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:45,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:45,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:45,791 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2018-12-31 09:42:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:45,864 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2018-12-31 09:42:45,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:45,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:42:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:45,868 INFO L225 Difference]: With dead ends: 93 [2018-12-31 09:42:45,868 INFO L226 Difference]: Without dead ends: 64 [2018-12-31 09:42:45,869 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 09:42:45,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-31 09:42:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2018-12-31 09:42:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:42:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2018-12-31 09:42:45,894 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 24 [2018-12-31 09:42:45,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:45,895 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2018-12-31 09:42:45,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-12-31 09:42:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:42:45,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:45,896 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 09:42:45,896 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:45,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:45,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2018-12-31 09:42:45,899 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:45,899 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:45,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:45,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:46,114 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 09:42:46,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:46,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:46,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:46,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:46,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:46,117 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 5 states. [2018-12-31 09:42:46,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:46,491 INFO L93 Difference]: Finished difference Result 320 states and 488 transitions. [2018-12-31 09:42:46,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:46,493 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-31 09:42:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:46,496 INFO L225 Difference]: With dead ends: 320 [2018-12-31 09:42:46,497 INFO L226 Difference]: Without dead ends: 266 [2018-12-31 09:42:46,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:42:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-31 09:42:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 108. [2018-12-31 09:42:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-12-31 09:42:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 155 transitions. [2018-12-31 09:42:46,542 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 155 transitions. Word has length 25 [2018-12-31 09:42:46,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:46,544 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 155 transitions. [2018-12-31 09:42:46,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 155 transitions. [2018-12-31 09:42:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:42:46,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:46,548 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] [2018-12-31 09:42:46,548 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:46,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:46,548 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2018-12-31 09:42:46,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:46,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:46,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:46,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:46,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:47,144 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:47,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:47 BoogieIcfgContainer [2018-12-31 09:42:47,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:47,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:47,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:47,275 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:47,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:44" (3/4) ... [2018-12-31 09:42:47,282 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:47,385 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:47,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:47,386 INFO L168 Benchmark]: Toolchain (without parser) took 4669.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.7 MB in the beginning and 884.4 MB in the end (delta: 64.3 MB). Peak memory consumption was 195.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:47,389 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:47,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:47,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:47,391 INFO L168 Benchmark]: Boogie Preprocessor took 46.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:47,391 INFO L168 Benchmark]: RCFGBuilder took 1363.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:47,392 INFO L168 Benchmark]: TraceAbstraction took 2389.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.8 MB in the end (delta: 154.6 MB). Peak memory consumption was 154.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:47,393 INFO L168 Benchmark]: Witness Printer took 111.10 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 884.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:47,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 673.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1363.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2389.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 897.8 MB in the end (delta: 154.6 MB). Peak memory consumption was 154.6 MB. Max. memory is 11.5 GB. * Witness Printer took 111.10 ms. Allocated memory is still 1.2 GB. Free memory was 897.8 MB in the beginning and 884.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L228] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L230] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L57] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L64] COND TRUE \read(systemActive) [L86] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L89] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] __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, 77 locations, 3 error locations. UNSAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 280 SDtfs, 272 SDslu, 233 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 162 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 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...