./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loops/n.c40_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 a2dbe578aaa8f4d94b72aa1723f297c002a26229 ..................................................................................................................................................................................................................................................................................................................................................... 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/n.c40_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 a2dbe578aaa8f4d94b72aa1723f297c002a26229 ...................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2018-12-31 05:41:35,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 05:41:35,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 05:41:35,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 05:41:35,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 05:41:35,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 05:41:35,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 05:41:35,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 05:41:35,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 05:41:35,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 05:41:35,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 05:41:35,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 05:41:35,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 05:41:35,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 05:41:35,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 05:41:35,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 05:41:35,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 05:41:35,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 05:41:35,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 05:41:35,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 05:41:35,735 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 05:41:35,736 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 05:41:35,738 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 05:41:35,739 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 05:41:35,739 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 05:41:35,740 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 05:41:35,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 05:41:35,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 05:41:35,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 05:41:35,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 05:41:35,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 05:41:35,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 05:41:35,746 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 05:41:35,746 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 05:41:35,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 05:41:35,749 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 05:41:35,749 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 05:41:35,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 05:41:35,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 05:41:35,766 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 05:41:35,766 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 05:41:35,767 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 05:41:35,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 05:41:35,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 05:41:35,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 05:41:35,769 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 05:41:35,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 05:41:35,769 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 05:41:35,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 05:41:35,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 05:41:35,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 05:41:35,771 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 05:41:35,771 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 05:41:35,772 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 05:41:35,772 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 05:41:35,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 05:41:35,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 05:41:35,772 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 05:41:35,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 05:41:35,773 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 05:41:35,774 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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-12-31 05:41:35,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 05:41:35,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 05:41:35,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 05:41:35,847 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 05:41:35,847 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 05:41:35,849 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:35,918 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074241ce0/713c254ea07448f1904405f039a8748f/FLAG24b7ad982 [2018-12-31 05:41:36,336 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 05:41:36,337 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:36,343 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074241ce0/713c254ea07448f1904405f039a8748f/FLAG24b7ad982 [2018-12-31 05:41:36,720 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/074241ce0/713c254ea07448f1904405f039a8748f [2018-12-31 05:41:36,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 05:41:36,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 05:41:36,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 05:41:36,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 05:41:36,737 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 05:41:36,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:41:36" (1/1) ... [2018-12-31 05:41:36,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256bc0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:36, skipping insertion in model container [2018-12-31 05:41:36,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:41:36" (1/1) ... [2018-12-31 05:41:36,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 05:41:36,774 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 05:41:36,970 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:41:37,003 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 05:41:37,025 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:41:37,051 INFO L195 MainTranslator]: Completed translation [2018-12-31 05:41:37,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37 WrapperNode [2018-12-31 05:41:37,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 05:41:37,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 05:41:37,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 05:41:37,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 05:41:37,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 05:41:37,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 05:41:37,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 05:41:37,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 05:41:37,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... [2018-12-31 05:41:37,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 05:41:37,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 05:41:37,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 05:41:37,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 05:41:37,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 05:41:37,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 05:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 05:41:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 05:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 05:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 05:41:37,565 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 05:41:37,565 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-31 05:41:37,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:41:37 BoogieIcfgContainer [2018-12-31 05:41:37,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 05:41:37,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 05:41:37,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 05:41:37,578 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 05:41:37,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:41:36" (1/3) ... [2018-12-31 05:41:37,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60365370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:41:37, skipping insertion in model container [2018-12-31 05:41:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:37" (2/3) ... [2018-12-31 05:41:37,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60365370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:41:37, skipping insertion in model container [2018-12-31 05:41:37,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:41:37" (3/3) ... [2018-12-31 05:41:37,587 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:37,597 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 05:41:37,603 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 05:41:37,624 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 05:41:37,656 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 05:41:37,656 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 05:41:37,657 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 05:41:37,657 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 05:41:37,657 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 05:41:37,657 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 05:41:37,657 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 05:41:37,657 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 05:41:37,657 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 05:41:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-31 05:41:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 05:41:37,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:37,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:37,681 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:37,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2018-12-31 05:41:37,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:41:37,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:41:37,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:37,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:37,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:37,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:37,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 05:41:37,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 05:41:37,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 05:41:37,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 05:41:37,848 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2018-12-31 05:41:37,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:37,863 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2018-12-31 05:41:37,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 05:41:37,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-12-31 05:41:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:37,873 INFO L225 Difference]: With dead ends: 22 [2018-12-31 05:41:37,874 INFO L226 Difference]: Without dead ends: 9 [2018-12-31 05:41:37,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 05:41:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-31 05:41:37,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-31 05:41:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-31 05:41:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-31 05:41:37,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-12-31 05:41:37,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:37,907 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-12-31 05:41:37,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 05:41:37,908 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-31 05:41:37,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 05:41:37,908 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:37,908 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:37,909 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:37,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:37,909 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2018-12-31 05:41:37,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:41:37,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:41:37,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:37,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:37,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:38,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:38,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 05:41:38,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 05:41:38,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 05:41:38,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 05:41:38,006 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2018-12-31 05:41:38,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:38,086 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-12-31 05:41:38,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 05:41:38,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-31 05:41:38,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:38,088 INFO L225 Difference]: With dead ends: 16 [2018-12-31 05:41:38,088 INFO L226 Difference]: Without dead ends: 11 [2018-12-31 05:41:38,089 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 05:41:38,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-12-31 05:41:38,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-12-31 05:41:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-31 05:41:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-31 05:41:38,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-12-31 05:41:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:38,092 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-12-31 05:41:38,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 05:41:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-31 05:41:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 05:41:38,092 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:38,093 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:38,093 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:38,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:38,093 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2018-12-31 05:41:38,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 05:41:38,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 05:41:38,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:38,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:38,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 05:41:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:38,345 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2018-12-31 05:41:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:38,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:38,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 05:41:38,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 05:41:38,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 05:41:38,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 05:41:38,450 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 5 states. [2018-12-31 05:41:38,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:38,516 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-12-31 05:41:38,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 05:41:38,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-12-31 05:41:38,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:38,516 INFO L225 Difference]: With dead ends: 11 [2018-12-31 05:41:38,516 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 05:41:38,517 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 [2018-12-31 05:41:38,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 05:41:38,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 05:41:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 05:41:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 05:41:38,518 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-31 05:41:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:38,518 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 05:41:38,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 05:41:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 05:41:38,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 05:41:38,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 05:41:38,579 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 05:41:38,580 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-12-31 05:41:38,580 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 05:41:38,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 05:41:38,580 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 05:41:38,581 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-31 05:41:38,581 INFO L451 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2018-12-31 05:41:38,581 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-31 05:41:38,581 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-12-31 05:41:38,582 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-12-31 05:41:38,582 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-12-31 05:41:38,582 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) 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|))) [2018-12-31 05:41:38,582 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-12-31 05:41:38,588 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) [2018-12-31 05:41:38,591 INFO L168 Benchmark]: Toolchain (without parser) took 1861.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -99.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:38,592 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 05:41:38,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.36 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. [2018-12-31 05:41:38,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.30 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 05:41:38,595 INFO L168 Benchmark]: Boogie Preprocessor took 24.46 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. [2018-12-31 05:41:38,595 INFO L168 Benchmark]: RCFGBuilder took 450.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:38,597 INFO L168 Benchmark]: TraceAbstraction took 1018.28 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:38,602 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 320.36 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 37.30 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.46 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. * RCFGBuilder took 450.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1018.28 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - 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 0.1.24-2e94e6a [2018-12-31 05:41:40,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 05:41:40,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 05:41:40,972 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 05:41:40,972 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 05:41:40,973 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 05:41:40,974 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 05:41:40,976 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 05:41:40,978 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 05:41:40,979 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 05:41:40,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 05:41:40,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 05:41:40,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 05:41:40,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 05:41:40,983 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 05:41:40,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 05:41:40,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 05:41:40,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 05:41:40,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 05:41:41,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 05:41:41,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 05:41:41,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 05:41:41,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 05:41:41,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 05:41:41,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 05:41:41,011 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 05:41:41,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 05:41:41,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 05:41:41,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 05:41:41,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 05:41:41,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 05:41:41,020 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 05:41:41,020 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 05:41:41,020 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 05:41:41,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 05:41:41,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 05:41:41,024 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 05:41:41,048 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 05:41:41,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 05:41:41,050 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 05:41:41,050 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 05:41:41,052 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 05:41:41,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 05:41:41,052 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 05:41:41,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 05:41:41,053 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 05:41:41,055 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 05:41:41,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 05:41:41,055 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 05:41:41,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 05:41:41,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 05:41:41,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 05:41:41,056 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 05:41:41,056 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 05:41:41,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 05:41:41,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 05:41:41,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 05:41:41,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 05:41:41,059 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 05:41:41,060 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 05:41:41,060 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 05:41:41,060 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 05:41:41,061 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 -> a2dbe578aaa8f4d94b72aa1723f297c002a26229 [2018-12-31 05:41:41,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 05:41:41,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 05:41:41,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 05:41:41,117 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 05:41:41,118 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 05:41:41,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:41,181 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077d3323d/de10d79760ff45148c3c2fd18f3a22b1/FLAG65f63e95a [2018-12-31 05:41:41,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 05:41:41,660 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:41,667 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077d3323d/de10d79760ff45148c3c2fd18f3a22b1/FLAG65f63e95a [2018-12-31 05:41:42,016 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/077d3323d/de10d79760ff45148c3c2fd18f3a22b1 [2018-12-31 05:41:42,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 05:41:42,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 05:41:42,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 05:41:42,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 05:41:42,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 05:41:42,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5146fe20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42, skipping insertion in model container [2018-12-31 05:41:42,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 05:41:42,054 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 05:41:42,287 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:41:42,326 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 05:41:42,348 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 05:41:42,377 INFO L195 MainTranslator]: Completed translation [2018-12-31 05:41:42,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42 WrapperNode [2018-12-31 05:41:42,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 05:41:42,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 05:41:42,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 05:41:42,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 05:41:42,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 05:41:42,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 05:41:42,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 05:41:42,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 05:41:42,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... [2018-12-31 05:41:42,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 05:41:42,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 05:41:42,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 05:41:42,526 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 05:41:42,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 05:41:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-31 05:41:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 05:41:42,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 05:41:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-31 05:41:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 05:41:42,894 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 05:41:42,894 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-31 05:41:42,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:41:42 BoogieIcfgContainer [2018-12-31 05:41:42,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 05:41:42,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 05:41:42,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 05:41:42,900 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 05:41:42,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 05:41:42" (1/3) ... [2018-12-31 05:41:42,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7dc8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:41:42, skipping insertion in model container [2018-12-31 05:41:42,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 05:41:42" (2/3) ... [2018-12-31 05:41:42,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7dc8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 05:41:42, skipping insertion in model container [2018-12-31 05:41:42,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 05:41:42" (3/3) ... [2018-12-31 05:41:42,906 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-12-31 05:41:42,916 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 05:41:42,924 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 05:41:42,942 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 05:41:42,974 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 05:41:42,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 05:41:42,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 05:41:42,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 05:41:42,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 05:41:42,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 05:41:42,975 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 05:41:42,975 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 05:41:42,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 05:41:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-12-31 05:41:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-31 05:41:42,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:42,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:43,001 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:43,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:43,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2018-12-31 05:41:43,012 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 05:41:43,013 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 [2018-12-31 05:41:43,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:43,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 05:41:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:43,144 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 05:41:43,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:43,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 05:41:43,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 05:41:43,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 05:41:43,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 05:41:43,174 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2018-12-31 05:41:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:43,187 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2018-12-31 05:41:43,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 05:41:43,189 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2018-12-31 05:41:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:43,197 INFO L225 Difference]: With dead ends: 22 [2018-12-31 05:41:43,198 INFO L226 Difference]: Without dead ends: 9 [2018-12-31 05:41:43,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 05:41:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-12-31 05:41:43,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-12-31 05:41:43,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-12-31 05:41:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-31 05:41:43,233 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-12-31 05:41:43,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:43,233 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-12-31 05:41:43,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 05:41:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-31 05:41:43,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-31 05:41:43,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:43,234 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:43,235 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:43,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:43,235 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2018-12-31 05:41:43,236 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 05:41:43,236 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 [2018-12-31 05:41:43,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:43,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 05:41:43,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:43,343 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 05:41:43,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:43,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 05:41:43,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 05:41:43,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 05:41:43,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 05:41:43,348 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2018-12-31 05:41:43,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:43,441 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-12-31 05:41:43,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 05:41:43,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-31 05:41:43,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:43,443 INFO L225 Difference]: With dead ends: 16 [2018-12-31 05:41:43,443 INFO L226 Difference]: Without dead ends: 11 [2018-12-31 05:41:43,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 05:41:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-12-31 05:41:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-12-31 05:41:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-12-31 05:41:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-31 05:41:43,447 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-12-31 05:41:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:43,448 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-12-31 05:41:43,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 05:41:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-31 05:41:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-31 05:41:43,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 05:41:43,449 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 05:41:43,449 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 05:41:43,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 05:41:43,449 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2018-12-31 05:41:43,450 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-31 05:41:43,450 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 [2018-12-31 05:41:43,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 05:41:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 05:41:43,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 05:41:43,553 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 [2018-12-31 05:41:43,634 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 [2018-12-31 05:41:43,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 05:41:43,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 05:41:43,688 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 [2018-12-31 05:41:43,716 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 05:41:43,718 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 [2018-12-31 05:41:43,719 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 05:41:43,783 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 05:41:43,888 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. [2018-12-31 05:41:43,890 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2018-12-31 05:41:45,968 WARN L181 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 14 [2018-12-31 05:41:45,987 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 05:41:45,989 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 [2018-12-31 05:41:45,990 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-31 05:41:45,999 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. [2018-12-31 05:41:46,000 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2018-12-31 05:41:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 05:41:46,039 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 05:41:46,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 05:41:46,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 05:41:46,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-31 05:41:46,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-31 05:41:46,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-31 05:41:46,042 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2018-12-31 05:41:48,112 WARN L181 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-31 05:41:48,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 05:41:48,114 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-12-31 05:41:48,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-31 05:41:48,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-12-31 05:41:48,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 05:41:48,115 INFO L225 Difference]: With dead ends: 11 [2018-12-31 05:41:48,115 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 05:41:48,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-31 05:41:48,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 05:41:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 05:41:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 05:41:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 05:41:48,118 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-31 05:41:48,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 05:41:48,118 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 05:41:48,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-31 05:41:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 05:41:48,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 05:41:48,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 05:41:50,226 WARN L181 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-31 05:41:50,229 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 05:41:50,230 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-12-31 05:41:50,230 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 05:41:50,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 05:41:50,230 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 05:41:50,230 INFO L451 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2018-12-31 05:41:50,230 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-31 05:41:50,231 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-12-31 05:41:50,232 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-12-31 05:41:50,232 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-31 05:41:50,232 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-12-31 05:41:50,233 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) 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)) [2018-12-31 05:41:50,233 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-12-31 05:41:50,241 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) [2018-12-31 05:41:50,244 INFO L168 Benchmark]: Toolchain (without parser) took 8224.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -56.7 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:50,251 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 05:41:50,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.33 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. [2018-12-31 05:41:50,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.67 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:50,254 INFO L168 Benchmark]: Boogie Preprocessor took 104.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:50,255 INFO L168 Benchmark]: RCFGBuilder took 369.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:50,256 INFO L168 Benchmark]: TraceAbstraction took 7347.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2018-12-31 05:41:50,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.33 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 42.67 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 369.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7347.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - 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...