./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec3_product22_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 7879ca98f25531324d15e1db6b1d755ab21e7b97 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 09:42:51,155 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:51,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:51,174 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:51,175 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:51,177 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:51,182 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:51,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:51,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:51,189 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:51,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:51,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:51,193 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:51,195 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:51,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:51,205 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:51,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:51,208 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:51,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:51,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:51,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:51,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:51,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:51,220 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:51,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:51,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:51,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:51,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:51,228 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:51,230 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:51,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:51,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:51,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:51,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:51,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:51,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:51,237 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:51,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:51,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:51,269 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:51,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:51,269 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:51,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:51,270 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:51,270 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:51,271 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:51,272 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:51,273 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:51,273 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:51,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:51,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:51,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:51,273 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:51,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:51,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:51,275 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:51,275 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:51,275 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:51,275 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:51,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:51,276 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 -> 7879ca98f25531324d15e1db6b1d755ab21e7b97 [2018-12-31 09:42:51,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:51,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:51,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:51,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:51,334 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:51,335 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:51,397 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb597d835/16c8c621dd0645978bd4b009f1744ea4/FLAG4221965ed [2018-12-31 09:42:51,987 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:51,988 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:52,003 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb597d835/16c8c621dd0645978bd4b009f1744ea4/FLAG4221965ed [2018-12-31 09:42:52,221 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb597d835/16c8c621dd0645978bd4b009f1744ea4 [2018-12-31 09:42:52,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:52,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:52,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:52,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:52,232 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:52,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:52,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52, skipping insertion in model container [2018-12-31 09:42:52,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:52,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:52,300 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:52,675 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:52,702 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:52,849 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:52,982 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:52,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52 WrapperNode [2018-12-31 09:42:52,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:52,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:52,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:52,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:52,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:53,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:53,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:53,091 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:53,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (1/1) ... [2018-12-31 09:42:53,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:53,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:53,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:53,145 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:53,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (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 [2018-12-31 09:42:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:54,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:54,767 INFO L280 CfgBuilder]: Removed 164 assue(true) statements. [2018-12-31 09:42:54,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:54 BoogieIcfgContainer [2018-12-31 09:42:54,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:54,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:54,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:54,772 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:54,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:52" (1/3) ... [2018-12-31 09:42:54,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78193730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:54, skipping insertion in model container [2018-12-31 09:42:54,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:52" (2/3) ... [2018-12-31 09:42:54,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78193730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:54, skipping insertion in model container [2018-12-31 09:42:54,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:54" (3/3) ... [2018-12-31 09:42:54,776 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:54,786 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:54,796 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:54,815 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:54,849 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:54,850 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:54,850 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:54,850 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:54,850 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:54,851 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:54,851 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:54,851 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:54,851 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-12-31 09:42:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:54,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:54,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:54,883 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:54,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:54,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1953692801, now seen corresponding path program 1 times [2018-12-31 09:42:54,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:54,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:54,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:54,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:54,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:55,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:55,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:55,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:55,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:55,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:55,205 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-12-31 09:42:55,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:55,252 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2018-12-31 09:42:55,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:55,253 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:55,279 INFO L225 Difference]: With dead ends: 216 [2018-12-31 09:42:55,279 INFO L226 Difference]: Without dead ends: 107 [2018-12-31 09:42:55,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:55,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-12-31 09:42:55,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-31 09:42:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-31 09:42:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2018-12-31 09:42:55,355 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2018-12-31 09:42:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:55,355 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2018-12-31 09:42:55,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2018-12-31 09:42:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:55,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:55,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:55,358 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:55,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:55,359 INFO L82 PathProgramCache]: Analyzing trace with hash 573769835, now seen corresponding path program 1 times [2018-12-31 09:42:55,361 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:55,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:55,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:55,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:55,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:55,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:55,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:55,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:55,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:55,534 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2018-12-31 09:42:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:55,555 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2018-12-31 09:42:55,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:55,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:55,558 INFO L225 Difference]: With dead ends: 107 [2018-12-31 09:42:55,558 INFO L226 Difference]: Without dead ends: 45 [2018-12-31 09:42:55,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-31 09:42:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-31 09:42:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-31 09:42:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2018-12-31 09:42:55,566 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2018-12-31 09:42:55,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:55,567 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2018-12-31 09:42:55,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-31 09:42:55,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:55,568 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:55,568 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:55,569 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:55,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:55,569 INFO L82 PathProgramCache]: Analyzing trace with hash 197323452, now seen corresponding path program 1 times [2018-12-31 09:42:55,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:55,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:55,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:55,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:55,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:55,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:55,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:55,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:55,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:55,732 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2018-12-31 09:42:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:55,789 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2018-12-31 09:42:55,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:55,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:42:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:55,792 INFO L225 Difference]: With dead ends: 84 [2018-12-31 09:42:55,792 INFO L226 Difference]: Without dead ends: 45 [2018-12-31 09:42:55,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-31 09:42:55,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-31 09:42:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-31 09:42:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2018-12-31 09:42:55,809 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2018-12-31 09:42:55,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:55,809 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2018-12-31 09:42:55,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2018-12-31 09:42:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:42:55,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:55,811 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:55,811 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:55,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:55,811 INFO L82 PathProgramCache]: Analyzing trace with hash -303470070, now seen corresponding path program 1 times [2018-12-31 09:42:55,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:55,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:55,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:55,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:55,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:55,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:55,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:55,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:55,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:55,934 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2018-12-31 09:42:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:56,506 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2018-12-31 09:42:56,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:56,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-12-31 09:42:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:56,512 INFO L225 Difference]: With dead ends: 242 [2018-12-31 09:42:56,512 INFO L226 Difference]: Without dead ends: 203 [2018-12-31 09:42:56,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:42:56,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-12-31 09:42:56,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2018-12-31 09:42:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-31 09:42:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2018-12-31 09:42:56,549 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2018-12-31 09:42:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:56,550 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2018-12-31 09:42:56,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2018-12-31 09:42:56,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-31 09:42:56,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:56,552 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] [2018-12-31 09:42:56,552 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:56,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash -912506616, now seen corresponding path program 1 times [2018-12-31 09:42:56,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:56,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:56,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:56,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:56,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:57,616 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:57,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:57 BoogieIcfgContainer [2018-12-31 09:42:57,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:57,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:57,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:57,727 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:57,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:54" (3/4) ... [2018-12-31 09:42:57,732 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:57,861 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:57,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:57,862 INFO L168 Benchmark]: Toolchain (without parser) took 5636.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:57,864 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:57,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:57,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:57,865 INFO L168 Benchmark]: Boogie Preprocessor took 53.54 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. [2018-12-31 09:42:57,870 INFO L168 Benchmark]: RCFGBuilder took 1623.34 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:57,870 INFO L168 Benchmark]: TraceAbstraction took 2957.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.3 MB). Peak memory consumption was 263.1 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:57,871 INFO L168 Benchmark]: Witness Printer took 134.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:57,880 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 755.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.38 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 53.54 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 1623.34 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: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2957.91 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -111.3 MB). Peak memory consumption was 263.1 MB. Max. memory is 11.5 GB. * Witness Printer took 134.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 140]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L286] int pumpRunning = 0; [L287] int systemActive = 1; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L224] int retValue_acc ; [L225] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L273] int retValue_acc ; [L276] retValue_acc = 1 [L277] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L231] tmp = valid_product() [L233] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L485] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L491] tmp = __VERIFIER_nondet_int() [L493] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L468] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L301] COND TRUE \read(systemActive) [L349] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] COND FALSE !(\read(pumpRunning)) [L323] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L326] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] int tmp ; [L908] int tmp___0 ; [L909] int tmp___1 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] tmp___0 = getWaterLevel() [L921] COND TRUE tmp___0 == 2 [L401] int retValue_acc ; [L404] retValue_acc = pumpRunning [L405] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L923] tmp___1 = isPumpRunning() [L925] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L140] __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, 111 locations, 3 error locations. UNSAFE Result, 2.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 412 SDslu, 253 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3031 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...