./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer --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=/tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer --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 0.1.23-635dfa2 [2018-12-02 17:07:57,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:07:57,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:07:57,213 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:07:57,213 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:07:57,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:07:57,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:07:57,215 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:07:57,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:07:57,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:07:57,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:07:57,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:07:57,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:07:57,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:07:57,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:07:57,218 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:07:57,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:07:57,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:07:57,221 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:07:57,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:07:57,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:07:57,223 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:07:57,224 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:07:57,224 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:07:57,224 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:07:57,225 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:07:57,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:07:57,226 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:07:57,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:07:57,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:07:57,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:07:57,227 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:07:57,227 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:07:57,227 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:07:57,228 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:07:57,228 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:07:57,228 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:07:57,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:07:57,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:07:57,236 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:07:57,236 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:07:57,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:07:57,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:07:57,237 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:07:57,238 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:07:57,238 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:07:57,238 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:07:57,239 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:07:57,239 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:07:57,239 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:07:57,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:07:57,239 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer 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 [2018-12-02 17:07:57,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:07:57,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:07:57,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:07:57,265 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:07:57,266 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:07:57,266 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-02 17:07:57,301 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/0513f58ae/3912d66aaa314cc7bffaa61ba98a94a7/FLAGf3fcfa32c [2018-12-02 17:07:57,593 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:07:57,594 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-02 17:07:57,598 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/0513f58ae/3912d66aaa314cc7bffaa61ba98a94a7/FLAGf3fcfa32c [2018-12-02 17:07:57,605 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/0513f58ae/3912d66aaa314cc7bffaa61ba98a94a7 [2018-12-02 17:07:57,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:07:57,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:07:57,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:07:57,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:07:57,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:07:57,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3163dfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57, skipping insertion in model container [2018-12-02 17:07:57,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:07:57,625 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:07:57,708 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:07:57,721 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:07:57,731 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:07:57,745 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:07:57,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57 WrapperNode [2018-12-02 17:07:57,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:07:57,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:07:57,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:07:57,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:07:57,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:07:57,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:07:57,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:07:57,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:07:57,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... [2018-12-02 17:07:57,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:07:57,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:07:57,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:07:57,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:07:57,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/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 [2018-12-02 17:07:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:07:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:07:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:07:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:07:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:07:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:07:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:07:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:07:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:07:57,940 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:07:57,940 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 17:07:57,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:57 BoogieIcfgContainer [2018-12-02 17:07:57,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:07:57,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:07:57,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:07:57,943 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:07:57,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:07:57" (1/3) ... [2018-12-02 17:07:57,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bc1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:57, skipping insertion in model container [2018-12-02 17:07:57,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:07:57" (2/3) ... [2018-12-02 17:07:57,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76bc1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:07:57, skipping insertion in model container [2018-12-02 17:07:57,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:07:57" (3/3) ... [2018-12-02 17:07:57,945 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-12-02 17:07:57,951 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:07:57,957 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:07:57,967 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:07:57,984 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:07:57,985 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:07:57,985 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:07:57,985 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:07:57,985 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:07:57,985 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:07:57,985 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:07:57,985 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:07:57,985 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:07:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-02 17:07:57,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 17:07:57,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:57,999 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:58,000 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:58,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:58,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1526440521, now seen corresponding path program 1 times [2018-12-02 17:07:58,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:58,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:58,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:58,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:58,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:58,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:07:58,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:07:58,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:07:58,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:07:58,099 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-12-02 17:07:58,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:58,109 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-12-02 17:07:58,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:07:58,110 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-02 17:07:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:58,115 INFO L225 Difference]: With dead ends: 28 [2018-12-02 17:07:58,116 INFO L226 Difference]: Without dead ends: 13 [2018-12-02 17:07:58,117 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 [2018-12-02 17:07:58,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-12-02 17:07:58,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-02 17:07:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-02 17:07:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 17:07:58,138 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-12-02 17:07:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:58,138 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-12-02 17:07:58,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:07:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 17:07:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 17:07:58,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:58,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:58,139 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:58,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:58,139 INFO L82 PathProgramCache]: Analyzing trace with hash -281053369, now seen corresponding path program 1 times [2018-12-02 17:07:58,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:58,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:58,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:58,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:58,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:58,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:07:58,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:07:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:07:58,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:07:58,181 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2018-12-02 17:07:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:58,203 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-12-02 17:07:58,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:07:58,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 17:07:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:58,204 INFO L225 Difference]: With dead ends: 20 [2018-12-02 17:07:58,204 INFO L226 Difference]: Without dead ends: 15 [2018-12-02 17:07:58,204 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 [2018-12-02 17:07:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-02 17:07:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-02 17:07:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-02 17:07:58,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-12-02 17:07:58,207 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-12-02 17:07:58,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:58,207 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-12-02 17:07:58,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:07:58,207 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-12-02 17:07:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 17:07:58,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:07:58,207 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:07:58,207 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:07:58,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:07:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1999502604, now seen corresponding path program 1 times [2018-12-02 17:07:58,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:07:58,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:07:58,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:07:58,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:07:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:07:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:07:58,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:07:58,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:07:58,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:07:58,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:07:58,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:07:58,310 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 5 states. [2018-12-02 17:07:58,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:07:58,333 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-12-02 17:07:58,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:07:58,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 17:07:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:07:58,334 INFO L225 Difference]: With dead ends: 15 [2018-12-02 17:07:58,334 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:07:58,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:07:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:07:58,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:07:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:07:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:07:58,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-12-02 17:07:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:07:58,335 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:07:58,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:07:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:07:58,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:07:58,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:07:58,401 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) 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|))) [2018-12-02 17:07:58,402 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-02 17:07:58,402 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-12-02 17:07:58,403 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-12-02 17:07:58,403 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-12-02 17:07:58,403 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array Int Int)) 0))) (or (not (= 0 |old(~i~0)|)) (and (= ~i~0 0) (= .cse0 (select |#memory_int| |~#x~0.base|))) (not (= .cse0 (select |old(#memory_int)| |~#x~0.base|))) (= |~#y~0.base| |~#x~0.base|))) [2018-12-02 17:07:58,403 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-12-02 17:07:58,405 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.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) [2018-12-02 17:07:58,407 INFO L168 Benchmark]: Toolchain (without parser) took 799.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -97.3 MB). Peak memory consumption was 47.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:58,408 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:07:58,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:58,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.62 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:07:58,409 INFO L168 Benchmark]: Boogie Preprocessor took 48.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:58,410 INFO L168 Benchmark]: RCFGBuilder took 132.82 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:58,410 INFO L168 Benchmark]: TraceAbstraction took 465.53 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: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:07:58,413 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 13.62 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 132.82 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 465.53 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: 62.9 MB). Peak memory consumption was 62.9 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 - 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 0.1.23-635dfa2 [2018-12-02 17:07:59,805 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:07:59,806 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:07:59,812 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:07:59,812 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:07:59,813 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:07:59,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:07:59,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:07:59,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:07:59,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:07:59,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:07:59,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:07:59,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:07:59,816 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:07:59,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:07:59,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:07:59,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:07:59,819 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:07:59,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:07:59,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:07:59,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:07:59,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:07:59,822 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:07:59,822 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:07:59,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:07:59,823 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:07:59,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:07:59,824 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:07:59,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:07:59,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:07:59,825 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:07:59,825 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:07:59,825 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:07:59,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:07:59,826 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:07:59,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:07:59,826 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-02 17:07:59,833 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:07:59,833 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:07:59,834 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:07:59,834 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:07:59,834 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:07:59,835 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 17:07:59,835 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:07:59,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:07:59,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:07:59,836 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:07:59,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:07:59,837 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-02 17:07:59,837 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:07:59,837 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 17:07:59,837 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 17:07:59,837 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer 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 [2018-12-02 17:07:59,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:07:59,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:07:59,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:07:59,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:07:59,869 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:07:59,869 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/../../sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-02 17:07:59,909 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/089706b72/2fc5e8381733471dbfbc7065449b2e0b/FLAGe5f90c7e5 [2018-12-02 17:08:00,322 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:08:00,322 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/sv-benchmarks/c/loops/n.c40_true-unreach-call_true-termination.i [2018-12-02 17:08:00,325 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/089706b72/2fc5e8381733471dbfbc7065449b2e0b/FLAGe5f90c7e5 [2018-12-02 17:08:00,333 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/data/089706b72/2fc5e8381733471dbfbc7065449b2e0b [2018-12-02 17:08:00,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:08:00,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:08:00,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:08:00,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:08:00,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:08:00,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a847288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00, skipping insertion in model container [2018-12-02 17:08:00,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:08:00,360 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:08:00,453 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:08:00,470 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:08:00,482 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:08:00,499 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:08:00,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00 WrapperNode [2018-12-02 17:08:00,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:08:00,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:08:00,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:08:00,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:08:00,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:08:00,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:08:00,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:08:00,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:08:00,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... [2018-12-02 17:08:00,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:08:00,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:08:00,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:08:00,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:08:00,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/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 [2018-12-02 17:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:08:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-02 17:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:08:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:08:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:08:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:08:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-02 17:08:00,717 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:08:00,717 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 17:08:00,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:08:00 BoogieIcfgContainer [2018-12-02 17:08:00,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:08:00,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:08:00,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:08:00,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:08:00,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:08:00" (1/3) ... [2018-12-02 17:08:00,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dd828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:08:00, skipping insertion in model container [2018-12-02 17:08:00,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:00" (2/3) ... [2018-12-02 17:08:00,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68dd828b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:08:00, skipping insertion in model container [2018-12-02 17:08:00,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:08:00" (3/3) ... [2018-12-02 17:08:00,723 INFO L112 eAbstractionObserver]: Analyzing ICFG n.c40_true-unreach-call_true-termination.i [2018-12-02 17:08:00,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:08:00,734 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:08:00,743 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:08:00,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:08:00,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:08:00,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:08:00,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:08:00,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:08:00,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:08:00,760 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:08:00,760 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:08:00,760 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:08:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-02 17:08:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 17:08:00,772 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:08:00,773 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:08:00,774 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:08:00,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:08:00,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1526440521, now seen corresponding path program 1 times [2018-12-02 17:08:00,781 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:08:00,781 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/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 [2018-12-02 17:08:00,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:08:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:08:00,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:08:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:08:00,844 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:08:00,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:08:00,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:08:00,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:08:00,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:08:00,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:08:00,859 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-12-02 17:08:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:08:00,869 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2018-12-02 17:08:00,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:08:00,870 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-02 17:08:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:08:00,875 INFO L225 Difference]: With dead ends: 28 [2018-12-02 17:08:00,875 INFO L226 Difference]: Without dead ends: 13 [2018-12-02 17:08:00,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:08:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-12-02 17:08:00,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-12-02 17:08:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-12-02 17:08:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-12-02 17:08:00,899 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-12-02 17:08:00,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:08:00,899 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-12-02 17:08:00,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:08:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-12-02 17:08:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 17:08:00,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:08:00,900 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:08:00,900 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:08:00,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:08:00,901 INFO L82 PathProgramCache]: Analyzing trace with hash -281053369, now seen corresponding path program 1 times [2018-12-02 17:08:00,901 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:08:00,901 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/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 [2018-12-02 17:08:00,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:08:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:08:00,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:08:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:08:00,965 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:08:00,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:08:00,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:08:00,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:08:00,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:08:00,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:08:00,968 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2018-12-02 17:08:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:08:00,993 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-12-02 17:08:00,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:08:00,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 17:08:00,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:08:00,994 INFO L225 Difference]: With dead ends: 20 [2018-12-02 17:08:00,994 INFO L226 Difference]: Without dead ends: 15 [2018-12-02 17:08:00,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:08:00,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-02 17:08:00,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-02 17:08:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-02 17:08:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-12-02 17:08:00,998 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-12-02 17:08:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:08:00,998 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-12-02 17:08:00,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:08:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-12-02 17:08:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 17:08:00,998 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:08:00,998 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:08:00,998 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:08:00,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:08:00,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1999502604, now seen corresponding path program 1 times [2018-12-02 17:08:00,999 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 17:08:00,999 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43b203df-aa17-4a4c-b54b-58a52b01533b/bin-2019/uautomizer/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 [2018-12-02 17:08:01,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:08:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:08:01,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:08:01,077 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 [2018-12-02 17:08:01,088 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 [2018-12-02 17:08:01,089 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-02 17:08:01,090 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:08:01,098 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 [2018-12-02 17:08:01,101 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:08:01,102 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 [2018-12-02 17:08:01,103 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-02 17:08:01,109 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 17:08:01,116 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. [2018-12-02 17:08:01,116 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2018-12-02 17:08:02,646 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 14 [2018-12-02 17:08:02,657 INFO L683 Elim1Store]: detected equality via solver [2018-12-02 17:08:02,658 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 [2018-12-02 17:08:02,659 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-02 17:08:02,663 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. [2018-12-02 17:08:02,664 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2018-12-02 17:08:02,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:08:02,674 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:08:02,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:08:02,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:08:02,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:08:02,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:08:02,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:08:02,676 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2018-12-02 17:08:04,696 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 22 [2018-12-02 17:08:04,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:08:04,697 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-12-02 17:08:04,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:08:04,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-02 17:08:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:08:04,697 INFO L225 Difference]: With dead ends: 15 [2018-12-02 17:08:04,697 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:08:04,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:08:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:08:04,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:08:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:08:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:08:04,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-12-02 17:08:04,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:08:04,699 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:08:04,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:08:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:08:04,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:08:04,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:08:06,737 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 17:08:09,919 WARN L180 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 17:08:13,372 WARN L180 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 30 [2018-12-02 17:08:13,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:08:13,374 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:08:13,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) 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)) [2018-12-02 17:08:13,375 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 23) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2018-12-02 17:08:13,375 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 23) no Hoare annotation was computed. [2018-12-02 17:08:13,376 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 8 23) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (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))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-12-02 17:08:13,376 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-12-02 17:08:13,376 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-12-02 17:08:13,376 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-12-02 17:08:13,376 INFO L448 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2018-12-02 17:08:13,376 INFO L444 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (let ((.cse0 ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (or (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))))) (= .cse0 (select |#memory_int| |~#x~0.base|)) (= (_ bv0 32) ~i~0)) (forall ((|~#y~0.base| (_ BitVec 32))) (or (= |~#y~0.base| |~#x~0.base|) (not (= (select |old(#memory_int)| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))))) (not (= (select |old(#memory_int)| |~#x~0.base|) .cse0)) (not (= (_ bv0 32) |old(~i~0)|)))) [2018-12-02 17:08:13,377 INFO L448 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2018-12-02 17:08:13,379 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.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) [2018-12-02 17:08:13,381 INFO L168 Benchmark]: Toolchain (without parser) took 13045.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -79.2 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:08:13,382 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:08:13,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:08:13,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.56 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:08:13,383 INFO L168 Benchmark]: Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:08:13,383 INFO L168 Benchmark]: RCFGBuilder took 182.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:08:13,384 INFO L168 Benchmark]: TraceAbstraction took 12662.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:08:13,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 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 18.56 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.10 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12662.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 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 - 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...