./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/nec40_true-unreach-call_true-termination.i --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/loops/nec40_true-unreach-call_true-termination.i -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 fffaea79f968c931abbf923bf574b15b9c605c6a ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/loops/nec40_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 fffaea79f968c931abbf923bf574b15b9c605c6a .................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 10:51:42,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 10:51:42,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 10:51:42,571 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 10:51:42,571 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 10:51:42,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 10:51:42,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 10:51:42,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 10:51:42,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 10:51:42,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 10:51:42,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 10:51:42,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 10:51:42,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 10:51:42,581 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 10:51:42,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 10:51:42,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 10:51:42,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 10:51:42,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 10:51:42,589 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 10:51:42,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 10:51:42,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 10:51:42,593 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 10:51:42,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 10:51:42,596 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 10:51:42,596 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 10:51:42,597 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 10:51:42,598 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 10:51:42,599 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 10:51:42,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 10:51:42,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 10:51:42,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 10:51:42,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 10:51:42,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 10:51:42,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 10:51:42,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 10:51:42,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 10:51:42,605 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 10:51:42,628 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 10:51:42,628 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 10:51:42,630 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 10:51:42,630 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 10:51:42,630 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 10:51:42,633 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 10:51:42,633 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 10:51:42,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 10:51:42,634 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 10:51:42,635 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 10:51:42,635 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 10:51:42,635 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 10:51:42,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 10:51:42,635 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 10:51:42,636 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 10:51:42,637 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 10:51:42,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 10:51:42,637 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 10:51:42,637 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 10:51:42,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 10:51:42,638 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 10:51:42,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 10:51:42,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 10:51:42,638 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 -> fffaea79f968c931abbf923bf574b15b9c605c6a [2019-01-12 10:51:42,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 10:51:42,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 10:51:42,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 10:51:42,717 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 10:51:42,717 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 10:51:42,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:42,789 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c2a4b28/13842cf8909647f8bfdc5cdf35237d7e/FLAG4f6dc70b3 [2019-01-12 10:51:43,199 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 10:51:43,200 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:43,206 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c2a4b28/13842cf8909647f8bfdc5cdf35237d7e/FLAG4f6dc70b3 [2019-01-12 10:51:43,577 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1c2a4b28/13842cf8909647f8bfdc5cdf35237d7e [2019-01-12 10:51:43,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 10:51:43,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 10:51:43,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:43,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 10:51:43,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 10:51:43,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:43,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a52299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43, skipping insertion in model container [2019-01-12 10:51:43,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:43,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 10:51:43,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 10:51:43,848 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:43,903 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 10:51:43,932 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:43,973 INFO L195 MainTranslator]: Completed translation [2019-01-12 10:51:43,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43 WrapperNode [2019-01-12 10:51:43,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:43,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:43,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 10:51:43,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 10:51:43,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:43,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:44,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 10:51:44,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 10:51:44,023 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 10:51:44,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... [2019-01-12 10:51:44,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 10:51:44,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 10:51:44,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 10:51:44,126 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 10:51:44,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 10:51:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 10:51:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 10:51:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 10:51:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 10:51:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 10:51:44,507 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 10:51:44,508 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 10:51:44,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:44 BoogieIcfgContainer [2019-01-12 10:51:44,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 10:51:44,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 10:51:44,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 10:51:44,514 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 10:51:44,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:51:43" (1/3) ... [2019-01-12 10:51:44,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733652a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:44, skipping insertion in model container [2019-01-12 10:51:44,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:43" (2/3) ... [2019-01-12 10:51:44,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733652a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:44, skipping insertion in model container [2019-01-12 10:51:44,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:44" (3/3) ... [2019-01-12 10:51:44,521 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:44,531 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 10:51:44,540 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 10:51:44,557 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 10:51:44,583 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 10:51:44,584 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 10:51:44,584 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 10:51:44,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 10:51:44,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 10:51:44,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 10:51:44,585 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 10:51:44,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 10:51:44,585 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 10:51:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-12 10:51:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 10:51:44,606 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:44,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:44,610 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:44,616 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-01-12 10:51:44,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:44,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:44,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:44,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:44,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:44,746 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 10:51:44,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:44,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 10:51:44,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 10:51:44,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 10:51:44,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:44,768 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-01-12 10:51:44,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:44,783 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-01-12 10:51:44,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 10:51:44,784 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-12 10:51:44,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:44,794 INFO L225 Difference]: With dead ends: 24 [2019-01-12 10:51:44,794 INFO L226 Difference]: Without dead ends: 10 [2019-01-12 10:51:44,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:44,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-12 10:51:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-12 10:51:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-12 10:51:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-01-12 10:51:44,830 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-01-12 10:51:44,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:44,830 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-01-12 10:51:44,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 10:51:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-01-12 10:51:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 10:51:44,831 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:44,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:44,832 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:44,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-01-12 10:51:44,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:44,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:44,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:44,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:44,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:44,908 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 10:51:44,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:44,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:44,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 10:51:44,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 10:51:44,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:44,914 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-01-12 10:51:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:45,016 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-12 10:51:45,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 10:51:45,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-01-12 10:51:45,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:45,018 INFO L225 Difference]: With dead ends: 18 [2019-01-12 10:51:45,018 INFO L226 Difference]: Without dead ends: 12 [2019-01-12 10:51:45,019 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:45,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-12 10:51:45,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-12 10:51:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-12 10:51:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-01-12 10:51:45,023 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-01-12 10:51:45,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:45,023 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-01-12 10:51:45,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 10:51:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-01-12 10:51:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 10:51:45,024 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:45,024 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:45,024 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:45,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:45,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-01-12 10:51:45,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 10:51:45,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 10:51:45,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:45,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:45,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 10:51:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:45,268 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 13 [2019-01-12 10:51:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:45,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:45,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 10:51:45,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 10:51:45,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 10:51:45,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 10:51:45,369 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 5 states. [2019-01-12 10:51:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:45,471 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-01-12 10:51:45,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 10:51:45,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-01-12 10:51:45,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:45,472 INFO L225 Difference]: With dead ends: 12 [2019-01-12 10:51:45,472 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 10:51:45,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-01-12 10:51:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 10:51:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 10:51:45,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 10:51:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 10:51:45,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-01-12 10:51:45,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:45,474 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 10:51:45,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 10:51:45,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 10:51:45,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 10:51:45,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 10:51:45,513 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 10:51:45,514 INFO L451 ceAbstractionStarter]: At program point L28(lines 14 29) the Hoare annotation is: true [2019-01-12 10:51:45,515 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-01-12 10:51:45,515 INFO L451 ceAbstractionStarter]: At program point L24-1(lines 24 26) the Hoare annotation is: true [2019-01-12 10:51:45,515 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2019-01-12 10:51:45,515 INFO L444 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (and (not (= |~#x~0.base| |~#y~0.base|)) (= ~i~0 0) (= ((as const (Array Int Int)) 0) (select |#memory_int| |~#x~0.base|))) [2019-01-12 10:51:45,515 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2019-01-12 10:51:45,515 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-12 10:51:45,520 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 10:51:45,523 INFO L168 Benchmark]: Toolchain (without parser) took 1939.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -114.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:45,524 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 10:51:45,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.30 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 10:51:45,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:45,526 INFO L168 Benchmark]: Boogie Preprocessor took 103.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:45,528 INFO L168 Benchmark]: RCFGBuilder took 383.15 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:45,528 INFO L168 Benchmark]: TraceAbstraction took 1011.78 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:45,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.30 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 46.39 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 103.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.15 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1011.78 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 10:51:47,785 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 10:51:47,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 10:51:47,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 10:51:47,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 10:51:47,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 10:51:47,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 10:51:47,803 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 10:51:47,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 10:51:47,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 10:51:47,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 10:51:47,807 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 10:51:47,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 10:51:47,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 10:51:47,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 10:51:47,811 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 10:51:47,812 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 10:51:47,814 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 10:51:47,817 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 10:51:47,819 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 10:51:47,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 10:51:47,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 10:51:47,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 10:51:47,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 10:51:47,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 10:51:47,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 10:51:47,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 10:51:47,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 10:51:47,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 10:51:47,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 10:51:47,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 10:51:47,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 10:51:47,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 10:51:47,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 10:51:47,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 10:51:47,836 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 10:51:47,837 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 10:51:47,854 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 10:51:47,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 10:51:47,856 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 10:51:47,856 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 10:51:47,856 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 10:51:47,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 10:51:47,857 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 10:51:47,858 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 10:51:47,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 10:51:47,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 10:51:47,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 10:51:47,859 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 10:51:47,862 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 10:51:47,862 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 10:51:47,862 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 10:51:47,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 10:51:47,863 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 10:51:47,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 10:51:47,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 10:51:47,864 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 10:51:47,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 10:51:47,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 10:51:47,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 10:51:47,869 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 10:51:47,869 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 10:51:47,870 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 10:51:47,870 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 10:51:47,870 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 10:51:47,870 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 10:51:47,871 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 10:51:47,871 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 -> fffaea79f968c931abbf923bf574b15b9c605c6a [2019-01-12 10:51:47,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 10:51:47,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 10:51:47,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 10:51:47,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 10:51:47,973 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 10:51:47,974 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:48,031 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe72904b/16a64c36f58047f19278bc8752505c89/FLAG204602ec1 [2019-01-12 10:51:48,394 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 10:51:48,395 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:48,402 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe72904b/16a64c36f58047f19278bc8752505c89/FLAG204602ec1 [2019-01-12 10:51:48,790 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe72904b/16a64c36f58047f19278bc8752505c89 [2019-01-12 10:51:48,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 10:51:48,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 10:51:48,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:48,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 10:51:48,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 10:51:48,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694eaae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:48, skipping insertion in model container [2019-01-12 10:51:48,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 10:51:48" (1/1) ... [2019-01-12 10:51:48,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 10:51:48,831 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 10:51:48,996 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:49,044 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 10:51:49,068 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 10:51:49,104 INFO L195 MainTranslator]: Completed translation [2019-01-12 10:51:49,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49 WrapperNode [2019-01-12 10:51:49,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 10:51:49,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:49,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 10:51:49,106 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 10:51:49,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 10:51:49,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 10:51:49,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 10:51:49,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 10:51:49,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (1/1) ... [2019-01-12 10:51:49,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 10:51:49,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 10:51:49,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 10:51:49,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 10:51:49,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (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 10:51:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-01-12 10:51:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 10:51:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 10:51:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-01-12 10:51:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 10:51:49,677 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 10:51:49,678 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-12 10:51:49,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:49 BoogieIcfgContainer [2019-01-12 10:51:49,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 10:51:49,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 10:51:49,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 10:51:49,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 10:51:49,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 10:51:48" (1/3) ... [2019-01-12 10:51:49,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319731a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:49, skipping insertion in model container [2019-01-12 10:51:49,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 10:51:49" (2/3) ... [2019-01-12 10:51:49,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319731a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 10:51:49, skipping insertion in model container [2019-01-12 10:51:49,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 10:51:49" (3/3) ... [2019-01-12 10:51:49,689 INFO L112 eAbstractionObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2019-01-12 10:51:49,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 10:51:49,706 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 10:51:49,723 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 10:51:49,752 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 10:51:49,753 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 10:51:49,753 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 10:51:49,753 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 10:51:49,754 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 10:51:49,754 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 10:51:49,754 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 10:51:49,754 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 10:51:49,754 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 10:51:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-01-12 10:51:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-01-12 10:51:49,776 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:49,777 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:49,780 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash 383725322, now seen corresponding path program 1 times [2019-01-12 10:51:49,790 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:49,790 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-12 10:51:49,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:49,856 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:49,867 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 10:51:49,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:49,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:49,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 10:51:49,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 10:51:49,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 10:51:49,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:49,886 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2019-01-12 10:51:49,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:49,900 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-01-12 10:51:49,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 10:51:49,901 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-01-12 10:51:49,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:49,910 INFO L225 Difference]: With dead ends: 24 [2019-01-12 10:51:49,910 INFO L226 Difference]: Without dead ends: 10 [2019-01-12 10:51:49,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 10:51:49,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-01-12 10:51:49,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-01-12 10:51:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-12 10:51:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-01-12 10:51:49,943 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-01-12 10:51:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:49,944 INFO L480 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-01-12 10:51:49,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 10:51:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-01-12 10:51:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-01-12 10:51:49,945 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:49,945 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:49,947 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:49,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1213354159, now seen corresponding path program 1 times [2019-01-12 10:51:49,948 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:49,948 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-12 10:51:49,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:50,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:50,065 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 10:51:50,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:50,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:50,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:50,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 10:51:50,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 10:51:50,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:50,070 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 3 states. [2019-01-12 10:51:50,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:50,133 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-01-12 10:51:50,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 10:51:50,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-01-12 10:51:50,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:50,135 INFO L225 Difference]: With dead ends: 18 [2019-01-12 10:51:50,135 INFO L226 Difference]: Without dead ends: 12 [2019-01-12 10:51:50,136 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 10:51:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-01-12 10:51:50,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-01-12 10:51:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-01-12 10:51:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-01-12 10:51:50,140 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-01-12 10:51:50,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:50,141 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-01-12 10:51:50,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 10:51:50,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-01-12 10:51:50,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 10:51:50,141 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 10:51:50,141 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 10:51:50,142 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 10:51:50,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 10:51:50,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1626878186, now seen corresponding path program 1 times [2019-01-12 10:51:50,143 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2019-01-12 10:51:50,143 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-01-12 10:51:50,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 10:51:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 10:51:50,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 10:51:50,243 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2019-01-12 10:51:50,294 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2019-01-12 10:51:50,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:50,302 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-12 10:51:50,331 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2019-01-12 10:51:50,359 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 10:51:50,361 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2019-01-12 10:51:50,362 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:50,458 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-01-12 10:51:50,548 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-12 10:51:50,548 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-01-12 10:51:52,606 WARN L181 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 14 [2019-01-12 10:51:52,631 INFO L683 Elim1Store]: detected equality via solver [2019-01-12 10:51:52,632 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2019-01-12 10:51:52,634 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-12 10:51:52,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-01-12 10:51:52,720 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-01-12 10:51:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 10:51:52,798 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 10:51:52,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 10:51:52,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 10:51:52,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 10:51:52,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 10:51:52,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 10:51:52,801 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 4 states. [2019-01-12 10:51:54,883 WARN L181 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 22 [2019-01-12 10:51:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 10:51:54,885 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-01-12 10:51:54,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 10:51:54,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-01-12 10:51:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 10:51:54,887 INFO L225 Difference]: With dead ends: 12 [2019-01-12 10:51:54,887 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 10:51:54,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 10:51:54,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 10:51:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 10:51:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 10:51:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 10:51:54,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-01-12 10:51:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 10:51:54,889 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 10:51:54,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 10:51:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 10:51:54,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 10:51:54,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 10:51:57,008 WARN L181 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 16 [2019-01-12 10:51:57,037 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 10:51:57,038 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 26) no Hoare annotation was computed. [2019-01-12 10:51:57,038 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-01-12 10:51:57,038 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 10:51:57,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 10:51:57,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 10:51:57,039 INFO L451 ceAbstractionStarter]: At program point L28(lines 14 29) the Hoare annotation is: true [2019-01-12 10:51:57,039 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-01-12 10:51:57,039 INFO L451 ceAbstractionStarter]: At program point L24-1(lines 24 26) the Hoare annotation is: true [2019-01-12 10:51:57,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-01-12 10:51:57,039 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 21) no Hoare annotation was computed. [2019-01-12 10:51:57,040 INFO L444 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#x~0.base| |~#y~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) [2019-01-12 10:51:57,041 INFO L448 ceAbstractionStarter]: For program point L18-4(lines 18 21) no Hoare annotation was computed. [2019-01-12 10:51:57,041 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-01-12 10:51:57,047 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 10:51:57,051 INFO L168 Benchmark]: Toolchain (without parser) took 8256.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -104.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:57,057 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 10:51:57,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:57,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:57,060 INFO L168 Benchmark]: Boogie Preprocessor took 35.22 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 10:51:57,060 INFO L168 Benchmark]: RCFGBuilder took 487.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:57,062 INFO L168 Benchmark]: TraceAbstraction took 7369.80 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-01-12 10:51:57,067 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.05 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 49.99 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.22 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 487.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7369.80 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...