./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/test10_true-unreach-call_true-termination.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/ldv-regression/test10_true-unreach-call_true-termination.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 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:33:44,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:33:44,127 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:33:44,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:33:44,146 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:33:44,148 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:33:44,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:33:44,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:33:44,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:33:44,157 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:33:44,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:33:44,160 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:33:44,161 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:33:44,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:33:44,173 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:33:44,173 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:33:44,174 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:33:44,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:33:44,184 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:33:44,187 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:33:44,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:33:44,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:33:44,197 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:33:44,198 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:33:44,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:33:44,200 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:33:44,203 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:33:44,204 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:33:44,206 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:33:44,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:33:44,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:33:44,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:33:44,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:33:44,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:33:44,212 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:33:44,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:33:44,213 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:33:44,239 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:33:44,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:33:44,241 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:33:44,243 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:33:44,243 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:33:44,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:33:44,243 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:33:44,244 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:33:44,245 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:33:44,245 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:33:44,245 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:33:44,245 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:33:44,245 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:33:44,246 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:33:44,246 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:33:44,246 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:33:44,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:33:44,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:33:44,247 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:33:44,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:33:44,247 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:33:44,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:33:44,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:33:44,251 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 -> 900cf067f789b553aebf3fa7c6ef8f7bd9edc39d [2019-01-12 09:33:44,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:33:44,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:33:44,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:33:44,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:33:44,310 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:33:44,311 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/test10_true-unreach-call_true-termination.c [2019-01-12 09:33:44,364 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e9bf1ab/1588e17c3d9b4ff882d93bde5eb08846/FLAG9e0133526 [2019-01-12 09:33:44,796 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:33:44,796 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/test10_true-unreach-call_true-termination.c [2019-01-12 09:33:44,801 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e9bf1ab/1588e17c3d9b4ff882d93bde5eb08846/FLAG9e0133526 [2019-01-12 09:33:45,175 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e9bf1ab/1588e17c3d9b4ff882d93bde5eb08846 [2019-01-12 09:33:45,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:33:45,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:33:45,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:33:45,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:33:45,186 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:33:45,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a621260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45, skipping insertion in model container [2019-01-12 09:33:45,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:33:45,220 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:33:45,444 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:33:45,462 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:33:45,486 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:33:45,509 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:33:45,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45 WrapperNode [2019-01-12 09:33:45,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:33:45,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:33:45,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:33:45,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:33:45,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:33:45,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:33:45,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:33:45,571 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:33:45,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (1/1) ... [2019-01-12 09:33:45,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:33:45,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:33:45,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:33:45,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:33:45,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (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 09:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-12 09:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-01-12 09:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 09:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-12 09:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:33:46,254 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:33:46,255 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. [2019-01-12 09:33:46,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:33:46 BoogieIcfgContainer [2019-01-12 09:33:46,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:33:46,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:33:46,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:33:46,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:33:46,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:33:45" (1/3) ... [2019-01-12 09:33:46,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4544c290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:33:46, skipping insertion in model container [2019-01-12 09:33:46,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:33:45" (2/3) ... [2019-01-12 09:33:46,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4544c290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:33:46, skipping insertion in model container [2019-01-12 09:33:46,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:33:46" (3/3) ... [2019-01-12 09:33:46,270 INFO L112 eAbstractionObserver]: Analyzing ICFG test10_true-unreach-call_true-termination.c [2019-01-12 09:33:46,282 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:33:46,292 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:33:46,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:33:46,351 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:33:46,354 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:33:46,355 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:33:46,355 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:33:46,356 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:33:46,356 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:33:46,356 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:33:46,356 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:33:46,356 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:33:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-01-12 09:33:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 09:33:46,385 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:33:46,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 09:33:46,388 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:33:46,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:33:46,394 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2019-01-12 09:33:46,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:33:46,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:33:46,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:33:46,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:33:46,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:33:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:33:46,933 WARN L181 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2019-01-12 09:33:47,069 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 09:33:47,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:33:47,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 09:33:47,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:33:47,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:33:47,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:33:47,088 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-01-12 09:33:47,385 WARN L181 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-01-12 09:33:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:33:47,515 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-01-12 09:33:47,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:33:47,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-01-12 09:33:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:33:47,526 INFO L225 Difference]: With dead ends: 16 [2019-01-12 09:33:47,527 INFO L226 Difference]: Without dead ends: 7 [2019-01-12 09:33:47,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:33:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-12 09:33:47,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-12 09:33:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-12 09:33:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-01-12 09:33:47,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-01-12 09:33:47,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:33:47,566 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-01-12 09:33:47,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:33:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-01-12 09:33:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-12 09:33:47,567 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:33:47,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-12 09:33:47,568 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:33:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:33:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2019-01-12 09:33:47,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:33:47,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:33:47,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:33:47,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:33:47,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:33:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:33:47,965 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 09:33:47,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:33:47,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:33:47,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:33:47,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:33:47,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:33:47,969 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2019-01-12 09:33:48,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:33:48,289 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2019-01-12 09:33:48,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:33:48,289 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-01-12 09:33:48,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:33:48,290 INFO L225 Difference]: With dead ends: 7 [2019-01-12 09:33:48,291 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:33:48,292 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:33:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:33:48,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:33:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:33:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:33:48,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-01-12 09:33:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:33:48,294 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:33:48,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:33:48,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:33:48,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:33:48,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:33:48,549 WARN L181 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-01-12 09:33:48,622 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:33:48,622 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:33:48,622 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:33:48,622 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:33:48,623 INFO L444 ceAbstractionStarter]: At program point L48(lines 16 49) the Hoare annotation is: (and (not (= |~#b~0.base| |~#p1~0.base|)) (not (= |~#p2~0.base| |~#a~0.base|)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#a~0.base| |~#b~0.base|)) (not (= |~#p2~0.base| |~#b~0.base|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-01-12 09:33:48,623 INFO L444 ceAbstractionStarter]: At program point L13(lines 9 14) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (= ~pp2~0.offset |~#p1~0.offset|) (not (= ~pp2~0.base |~#b~0.base|)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#a~0.base| |~#b~0.base|)) (not (= |~#p2~0.base| |~#b~0.base|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-01-12 09:33:48,624 INFO L444 ceAbstractionStarter]: At program point L42(lines 16 49) the Hoare annotation is: false [2019-01-12 09:33:48,624 INFO L448 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2019-01-12 09:33:48,624 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-01-12 09:33:48,624 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-01-12 09:33:48,637 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,638 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,644 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,645 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,646 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,651 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,652 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,653 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,653 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,655 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,655 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:33:48 BoogieIcfgContainer [2019-01-12 09:33:48,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:33:48,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:33:48,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:33:48,662 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:33:48,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:33:46" (3/4) ... [2019-01-12 09:33:48,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:33:48,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 09:33:48,686 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-01-12 09:33:48,755 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:33:48,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:33:48,756 INFO L168 Benchmark]: Toolchain (without parser) took 3576.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 951.4 MB in the beginning and 931.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 94.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,759 INFO L168 Benchmark]: CDTParser took 0.17 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 09:33:48,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:33:48,761 INFO L168 Benchmark]: Boogie Preprocessor took 41.77 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,761 INFO L168 Benchmark]: RCFGBuilder took 645.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 935.3 MB in the beginning and 1.0 GB in the end (delta: -98.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,768 INFO L168 Benchmark]: TraceAbstraction took 2402.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.0 MB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,768 INFO L168 Benchmark]: Witness Printer took 94.21 ms. Allocated memory is still 1.1 GB. Free memory was 939.0 MB in the beginning and 931.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:33:48,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.08 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.77 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 645.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 935.3 MB in the beginning and 1.0 GB in the end (delta: -98.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2402.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 939.0 MB in the end (delta: 94.5 MB). Peak memory consumption was 94.5 MB. Max. memory is 11.5 GB. * Witness Printer took 94.21 ms. Allocated memory is still 1.1 GB. Free memory was 939.0 MB in the beginning and 931.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-01-12 09:33:48,787 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,788 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,789 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,789 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,789 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,790 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,790 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,791 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((!(b == p1) && !(p2 == a)) && b == #memory_$Pointer$[p1][p1]) && !(a == b)) && !(p2 == b)) && b == #memory_$Pointer$[p1][p1]) && !(p1 == a) - InvariantResult [Line: 9]: Loop Invariant [2019-01-12 09:33:48,791 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,792 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,793 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,793 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,793 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-01-12 09:33:48,794 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-01-12 09:33:48,795 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-01-12 09:33:48,795 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(p2 == a) && pp2 == p1) && pp2 == p1) && !(pp2 == b)) && b == #memory_$Pointer$[p1][p1]) && !(a == b)) && !(p2 == b)) && b == #memory_$Pointer$[p1][p1]) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...