./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product24_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_product24_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 2802309dbd9334e3c65161de741c9f21c5d465d0 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:47:51,168 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:47:51,170 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:47:51,188 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:47:51,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:47:51,189 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:47:51,191 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:47:51,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:47:51,194 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:47:51,195 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:47:51,196 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:47:51,196 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:47:51,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:47:51,198 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:47:51,199 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:47:51,200 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:47:51,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:47:51,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:47:51,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:47:51,209 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:47:51,210 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:47:51,211 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:47:51,217 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:47:51,217 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:47:51,217 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:47:51,218 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:47:51,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:47:51,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:47:51,221 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:47:51,222 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:47:51,222 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:47:51,222 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:47:51,223 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:47:51,223 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:47:51,224 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:47:51,224 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:47:51,225 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:47:51,239 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:47:51,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:47:51,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:47:51,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:47:51,241 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:47:51,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:47:51,241 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:47:51,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:47:51,242 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:47:51,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:47:51,243 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:47:51,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:47:51,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:47:51,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:47:51,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:47:51,244 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:47:51,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:51,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:47:51,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:47:51,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:47:51,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:47:51,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:47:51,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:47:51,245 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 -> 2802309dbd9334e3c65161de741c9f21c5d465d0 [2019-01-12 14:47:51,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:47:51,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:47:51,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:47:51,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:47:51,304 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:47:51,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product24_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:51,367 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2ed6cfe/e18b62200708401d83deb763277857fb/FLAGe81030f30 [2019-01-12 14:47:51,818 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:47:51,819 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product24_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:51,833 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2ed6cfe/e18b62200708401d83deb763277857fb/FLAGe81030f30 [2019-01-12 14:47:52,160 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef2ed6cfe/e18b62200708401d83deb763277857fb [2019-01-12 14:47:52,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:47:52,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:47:52,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:52,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:47:52,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:47:52,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9046da 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 14:47:52,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:47:52,249 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:47:52,637 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:52,665 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:47:52,850 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:52,883 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:47:52,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52 WrapperNode [2019-01-12 14:47:52,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:52,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:52,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:47:52,885 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:47:52,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:52,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:47:52,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:47:52,959 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:47:52,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:52,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:53,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:53,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (1/1) ... [2019-01-12 14:47:53,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:47:53,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:47:53,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:47:53,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:47:53,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (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 14:47:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:47:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:47:53,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:47:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:47:54,385 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:47:54,386 INFO L286 CfgBuilder]: Removed 168 assue(true) statements. [2019-01-12 14:47:54,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:54 BoogieIcfgContainer [2019-01-12 14:47:54,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:47:54,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:47:54,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:47:54,392 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:47:54,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:47:52" (1/3) ... [2019-01-12 14:47:54,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5090db11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:54, skipping insertion in model container [2019-01-12 14:47:54,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:52" (2/3) ... [2019-01-12 14:47:54,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5090db11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:54, skipping insertion in model container [2019-01-12 14:47:54,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:54" (3/3) ... [2019-01-12 14:47:54,396 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:54,405 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:47:54,414 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:47:54,432 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:47:54,462 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:47:54,462 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:47:54,463 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:47:54,463 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:47:54,463 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:47:54,463 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:47:54,463 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:47:54,464 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:47:54,464 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:47:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-01-12 14:47:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 14:47:54,489 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:54,490 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 14:47:54,492 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:54,498 INFO L82 PathProgramCache]: Analyzing trace with hash -194461515, now seen corresponding path program 1 times [2019-01-12 14:47:54,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:54,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:54,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:54,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:54,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:54,754 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 14:47:54,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:54,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:54,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:47:54,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:47:54,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:54,774 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-01-12 14:47:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:54,805 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2019-01-12 14:47:54,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:47:54,807 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-01-12 14:47:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:54,821 INFO L225 Difference]: With dead ends: 220 [2019-01-12 14:47:54,822 INFO L226 Difference]: Without dead ends: 109 [2019-01-12 14:47:54,826 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 14:47:54,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-01-12 14:47:54,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-01-12 14:47:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-01-12 14:47:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2019-01-12 14:47:54,880 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2019-01-12 14:47:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:54,881 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2019-01-12 14:47:54,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:47:54,881 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2019-01-12 14:47:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:47:54,884 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:54,884 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 14:47:54,884 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1105492268, now seen corresponding path program 1 times [2019-01-12 14:47:54,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:54,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:54,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:54,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:54,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:55,096 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 14:47:55,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:55,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:47:55,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:55,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:55,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:55,102 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand 3 states. [2019-01-12 14:47:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:55,149 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2019-01-12 14:47:55,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:55,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-01-12 14:47:55,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:55,153 INFO L225 Difference]: With dead ends: 109 [2019-01-12 14:47:55,154 INFO L226 Difference]: Without dead ends: 47 [2019-01-12 14:47:55,155 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 14:47:55,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-01-12 14:47:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-01-12 14:47:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-01-12 14:47:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-01-12 14:47:55,172 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-01-12 14:47:55,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:55,172 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-01-12 14:47:55,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-01-12 14:47:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:47:55,180 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:55,181 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 14:47:55,181 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:55,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:55,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1805721692, now seen corresponding path program 1 times [2019-01-12 14:47:55,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:55,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:55,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:55,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:55,527 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 14:47:55,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:55,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:47:55,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:55,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:55,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:55,529 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 5 states. [2019-01-12 14:47:55,846 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-12 14:47:55,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:55,927 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-01-12 14:47:55,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 14:47:55,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-01-12 14:47:55,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:55,930 INFO L225 Difference]: With dead ends: 113 [2019-01-12 14:47:55,932 INFO L226 Difference]: Without dead ends: 72 [2019-01-12 14:47:55,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:47:55,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-01-12 14:47:55,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2019-01-12 14:47:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-12 14:47:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2019-01-12 14:47:55,950 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2019-01-12 14:47:55,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:55,951 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2019-01-12 14:47:55,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2019-01-12 14:47:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:47:55,953 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:55,953 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 14:47:55,953 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:55,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:55,954 INFO L82 PathProgramCache]: Analyzing trace with hash -820987702, now seen corresponding path program 1 times [2019-01-12 14:47:55,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:55,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:55,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:55,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:56,120 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 14:47:56,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:56,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:47:56,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:56,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:56,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:56,124 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand 5 states. [2019-01-12 14:47:56,742 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-12 14:47:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:57,237 INFO L93 Difference]: Finished difference Result 376 states and 572 transitions. [2019-01-12 14:47:57,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:47:57,238 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-01-12 14:47:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:57,242 INFO L225 Difference]: With dead ends: 376 [2019-01-12 14:47:57,246 INFO L226 Difference]: Without dead ends: 314 [2019-01-12 14:47:57,247 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:47:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-01-12 14:47:57,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 124. [2019-01-12 14:47:57,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-01-12 14:47:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 179 transitions. [2019-01-12 14:47:57,305 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 179 transitions. Word has length 26 [2019-01-12 14:47:57,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:57,310 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 179 transitions. [2019-01-12 14:47:57,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2019-01-12 14:47:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-12 14:47:57,314 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:57,315 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, 1] [2019-01-12 14:47:57,315 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:57,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:57,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1430024248, now seen corresponding path program 1 times [2019-01-12 14:47:57,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:57,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:57,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:57,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:57,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:58,068 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 14:47:58,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:47:58 BoogieIcfgContainer [2019-01-12 14:47:58,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:47:58,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:47:58,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:47:58,188 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:47:58,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:54" (3/4) ... [2019-01-12 14:47:58,195 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 14:47:58,332 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:47:58,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:47:58,334 INFO L168 Benchmark]: Toolchain (without parser) took 6170.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.0 MB in the beginning and 823.1 MB in the end (delta: 127.0 MB). Peak memory consumption was 259.1 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,335 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. [2019-01-12 14:47:58,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:47:58,342 INFO L168 Benchmark]: Boogie Preprocessor took 72.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,345 INFO L168 Benchmark]: RCFGBuilder took 1355.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,346 INFO L168 Benchmark]: TraceAbstraction took 3799.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 836.5 MB in the end (delta: 209.0 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,347 INFO L168 Benchmark]: Witness Printer took 144.38 ms. Allocated memory is still 1.2 GB. Free memory was 836.5 MB in the beginning and 823.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:58,352 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 719.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.50 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 72.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1355.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3799.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 836.5 MB in the end (delta: 209.0 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. * Witness Printer took 144.38 ms. Allocated memory is still 1.2 GB. Free memory was 836.5 MB in the beginning and 823.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L369] int cleanupTimeShifts = 4; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L445] int retValue_acc ; [L446] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L952] retValue_acc = 1 [L953] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L452] tmp = valid_product() [L454] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int splverifierCounter ; [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L270] int tmp___2 ; [L273] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L283] tmp = __VERIFIER_nondet_int() [L285] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] tmp___0 = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L303] tmp___2 = __VERIFIER_nondet_int() [L305] COND TRUE \read(tmp___2) [L257] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) [L123] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L126] COND FALSE !(\read(pumpRunning)) [L97] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] tmp___0 = getWaterLevel() [L350] COND TRUE tmp___0 == 2 [L175] int retValue_acc ; [L178] retValue_acc = pumpRunning [L179] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] tmp___1 = isPumpRunning() [L354] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __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, 113 locations, 3 error locations. UNSAFE Result, 3.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 400 SDtfs, 644 SDslu, 310 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 194 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3169 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...