./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_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_product05_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 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:47:22,194 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:47:22,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:47:22,207 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:47:22,208 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:47:22,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:47:22,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:47:22,212 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:47:22,214 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:47:22,215 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:47:22,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:47:22,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:47:22,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:47:22,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:47:22,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:47:22,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:47:22,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:47:22,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:47:22,225 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:47:22,226 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:47:22,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:47:22,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:47:22,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:47:22,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:47:22,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:47:22,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:47:22,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:47:22,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:47:22,236 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:47:22,237 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:47:22,237 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:47:22,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:47:22,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:47:22,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:47:22,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:47:22,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:47:22,241 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:47:22,267 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:47:22,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:47:22,269 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:47:22,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:47:22,269 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:47:22,270 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:47:22,270 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:47:22,270 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:47:22,270 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:47:22,271 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:47:22,272 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:47:22,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:47:22,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:47:22,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:47:22,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:47:22,273 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:47:22,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:47:22,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:47:22,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:47:22,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:47:22,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:47:22,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:47:22,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:47:22,277 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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2019-01-12 14:47:22,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:47:22,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:47:22,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:47:22,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:47:22,335 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:47:22,336 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:22,393 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b6c85fc/38862a260f4a41dd847b341bb04718ef/FLAGefde94d31 [2019-01-12 14:47:22,856 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:47:22,856 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:22,873 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b6c85fc/38862a260f4a41dd847b341bb04718ef/FLAGefde94d31 [2019-01-12 14:47:23,183 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b6c85fc/38862a260f4a41dd847b341bb04718ef [2019-01-12 14:47:23,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:47:23,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:47:23,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:23,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:47:23,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:47:23,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:23,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559df36a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23, skipping insertion in model container [2019-01-12 14:47:23,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:23,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:47:23,264 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:47:23,709 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:23,731 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:47:23,902 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:47:23,934 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:47:23,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23 WrapperNode [2019-01-12 14:47:23,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:47:23,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:23,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:47:23,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:47:23,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:23,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:47:24,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:47:24,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:47:24,032 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:47:24,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (1/1) ... [2019-01-12 14:47:24,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:47:24,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:47:24,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:47:24,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:47:24,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (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 14:47:24,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:47:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:47:24,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:47:24,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:47:25,258 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:47:25,258 INFO L286 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-12 14:47:25,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:25 BoogieIcfgContainer [2019-01-12 14:47:25,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:47:25,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:47:25,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:47:25,265 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:47:25,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:47:23" (1/3) ... [2019-01-12 14:47:25,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd97847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:25, skipping insertion in model container [2019-01-12 14:47:25,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:47:23" (2/3) ... [2019-01-12 14:47:25,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd97847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:47:25, skipping insertion in model container [2019-01-12 14:47:25,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:25" (3/3) ... [2019-01-12 14:47:25,270 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2019-01-12 14:47:25,279 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:47:25,286 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:47:25,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:47:25,335 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:47:25,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:47:25,336 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:47:25,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:47:25,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:47:25,336 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:47:25,336 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:47:25,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:47:25,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:47:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2019-01-12 14:47:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-12 14:47:25,362 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:25,363 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 14:47:25,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:25,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:25,372 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2019-01-12 14:47:25,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:25,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:25,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:25,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:25,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:25,667 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 14:47:25,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:25,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:25,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:47:25,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:47:25,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:47:25,694 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2019-01-12 14:47:25,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:25,725 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2019-01-12 14:47:25,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:47:25,727 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-01-12 14:47:25,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:25,740 INFO L225 Difference]: With dead ends: 144 [2019-01-12 14:47:25,740 INFO L226 Difference]: Without dead ends: 71 [2019-01-12 14:47:25,744 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 14:47:25,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-12 14:47:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-01-12 14:47:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-01-12 14:47:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-01-12 14:47:25,787 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2019-01-12 14:47:25,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:25,788 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-01-12 14:47:25,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:47:25,788 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2019-01-12 14:47:25,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-12 14:47:25,789 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:25,789 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 14:47:25,790 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:25,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:25,790 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2019-01-12 14:47:25,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:25,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:25,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:25,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:25,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:25,924 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 14:47:25,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:25,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:47:25,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:25,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:25,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:25,930 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2019-01-12 14:47:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:25,960 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2019-01-12 14:47:25,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:25,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-01-12 14:47:25,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:25,963 INFO L225 Difference]: With dead ends: 71 [2019-01-12 14:47:25,964 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 14:47:25,966 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 14:47:25,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 14:47:25,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 14:47:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 14:47:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-01-12 14:47:25,974 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2019-01-12 14:47:25,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:25,974 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-01-12 14:47:25,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-01-12 14:47:25,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:47:25,976 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:25,977 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 14:47:25,977 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:25,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:25,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2019-01-12 14:47:25,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:25,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:25,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:25,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:25,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:26,125 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 14:47:26,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:26,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:47:26,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:47:26,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:47:26,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:47:26,128 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2019-01-12 14:47:26,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:26,150 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2019-01-12 14:47:26,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:47:26,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:47:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:26,152 INFO L225 Difference]: With dead ends: 60 [2019-01-12 14:47:26,152 INFO L226 Difference]: Without dead ends: 33 [2019-01-12 14:47:26,153 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 [2019-01-12 14:47:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-12 14:47:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-12 14:47:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-12 14:47:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2019-01-12 14:47:26,160 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2019-01-12 14:47:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:26,161 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2019-01-12 14:47:26,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:47:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2019-01-12 14:47:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-01-12 14:47:26,162 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:26,162 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:47:26,164 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:26,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:26,165 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2019-01-12 14:47:26,165 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:26,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:26,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:26,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:26,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:47:26,330 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 14:47:26,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:47:26,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:47:26,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:47:26,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:47:26,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:47:26,332 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2019-01-12 14:47:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:47:26,689 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2019-01-12 14:47:26,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-12 14:47:26,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-01-12 14:47:26,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:47:26,692 INFO L225 Difference]: With dead ends: 158 [2019-01-12 14:47:26,692 INFO L226 Difference]: Without dead ends: 131 [2019-01-12 14:47:26,694 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 [2019-01-12 14:47:26,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-01-12 14:47:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2019-01-12 14:47:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-01-12 14:47:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2019-01-12 14:47:26,707 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2019-01-12 14:47:26,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:47:26,708 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2019-01-12 14:47:26,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:47:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2019-01-12 14:47:26,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-01-12 14:47:26,709 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:47:26,710 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 14:47:26,711 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:47:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:47:26,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2019-01-12 14:47:26,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:47:26,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:47:26,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:26,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:47:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:47:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 14:47:27,334 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 14:47:27,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:47:27 BoogieIcfgContainer [2019-01-12 14:47:27,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:47:27,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:47:27,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:47:27,470 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:47:27,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:47:25" (3/4) ... [2019-01-12 14:47:27,474 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-12 14:47:27,621 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:47:27,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:47:27,622 INFO L168 Benchmark]: Toolchain (without parser) took 4434.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.4 MB in the beginning and 874.3 MB in the end (delta: 77.1 MB). Peak memory consumption was 194.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,623 INFO L168 Benchmark]: CDTParser took 1.15 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 14:47:27,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,625 INFO L168 Benchmark]: Boogie Preprocessor took 73.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:47:27,626 INFO L168 Benchmark]: RCFGBuilder took 1153.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,629 INFO L168 Benchmark]: TraceAbstraction took 2208.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 881.0 MB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,629 INFO L168 Benchmark]: Witness Printer took 151.36 ms. Allocated memory is still 1.1 GB. Free memory was 881.0 MB in the beginning and 874.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:47:27,635 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 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 745.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1153.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2208.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 881.0 MB in the end (delta: 169.1 MB). Peak memory consumption was 169.1 MB. Max. memory is 11.5 GB. * Witness Printer took 151.36 ms. Allocated memory is still 1.1 GB. Free memory was 881.0 MB in the beginning and 874.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L370] int retValue_acc ; [L371] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __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, 75 locations, 3 error locations. UNSAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 262 SDtfs, 239 SDslu, 173 SDs, 0 SdLazy, 36 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s 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...