./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63d846ed716b15249f52a5672a03600593372893 ....................................................................................................................................................................................................................................................................................................................................................................... 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_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63d846ed716b15249f52a5672a03600593372893 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:57:32,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:57:32,439 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:57:32,446 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:57:32,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:57:32,447 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:57:32,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:57:32,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:57:32,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:57:32,451 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:57:32,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:57:32,452 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:57:32,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:57:32,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:57:32,453 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:57:32,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:57:32,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:57:32,456 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:57:32,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:57:32,458 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:57:32,459 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:57:32,460 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:57:32,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:57:32,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:57:32,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:57:32,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:57:32,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:57:32,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:57:32,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:57:32,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:57:32,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:57:32,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:57:32,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:57:32,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:57:32,466 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:57:32,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:57:32,467 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:57:32,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:57:32,477 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:57:32,478 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:57:32,478 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:57:32,478 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:57:32,478 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:57:32,478 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:57:32,478 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:57:32,479 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:57:32,479 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:57:32,479 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:57:32,479 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:57:32,479 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:57:32,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:57:32,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:57:32,480 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:57:32,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:57:32,480 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:57:32,480 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:57:32,481 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:57:32,481 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:57:32,482 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:57:32,482 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:57:32,483 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:57:32,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:57:32,483 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:57:32,483 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan 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 -> Taipan 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 -> 63d846ed716b15249f52a5672a03600593372893 [2018-11-18 12:57:32,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:57:32,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:57:32,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:57:32,517 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:57:32,517 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:57:32,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:32,552 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/34a3ae2b1/f8c2ee0aff9046dfb63018440e2b9e8a/FLAGb5ba20093 [2018-11-18 12:57:32,937 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:57:32,937 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:32,941 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/34a3ae2b1/f8c2ee0aff9046dfb63018440e2b9e8a/FLAGb5ba20093 [2018-11-18 12:57:32,950 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/34a3ae2b1/f8c2ee0aff9046dfb63018440e2b9e8a [2018-11-18 12:57:32,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:57:32,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:57:32,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:57:32,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:57:32,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:57:32,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:57:32" (1/1) ... [2018-11-18 12:57:32,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63274aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:32, skipping insertion in model container [2018-11-18 12:57:32,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:57:32" (1/1) ... [2018-11-18 12:57:32,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:57:32,977 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:57:33,083 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:57:33,092 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:57:33,102 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:57:33,112 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:57:33,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33 WrapperNode [2018-11-18 12:57:33,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:57:33,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:57:33,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:57:33,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:57:33,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:57:33,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:57:33,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:57:33,133 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:57:33,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... [2018-11-18 12:57:33,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:57:33,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:57:33,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:57:33,189 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:57:33,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/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 [2018-11-18 12:57:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:57:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:57:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:57:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:57:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:57:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:57:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:57:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:57:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:57:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:57:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:57:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 12:57:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 12:57:33,382 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:57:33,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:57:33 BoogieIcfgContainer [2018-11-18 12:57:33,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:57:33,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:57:33,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:57:33,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:57:33,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:57:32" (1/3) ... [2018-11-18 12:57:33,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c76526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:57:33, skipping insertion in model container [2018-11-18 12:57:33,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:33" (2/3) ... [2018-11-18 12:57:33,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c76526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:57:33, skipping insertion in model container [2018-11-18 12:57:33,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:57:33" (3/3) ... [2018-11-18 12:57:33,389 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:33,397 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:57:33,403 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:57:33,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:57:33,443 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:57:33,443 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:57:33,444 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:57:33,444 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:57:33,444 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:57:33,444 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:57:33,444 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:57:33,444 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:57:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-18 12:57:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:57:33,462 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:33,462 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:33,464 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:33,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:33,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1759736084, now seen corresponding path program 1 times [2018-11-18 12:57:33,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:57:33,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:33,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,510 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:57:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:33,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:57:33,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:57:33,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:57:33,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:57:33,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:57:33,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:57:33,583 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2018-11-18 12:57:33,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:33,596 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2018-11-18 12:57:33,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:57:33,597 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-18 12:57:33,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:33,602 INFO L225 Difference]: With dead ends: 45 [2018-11-18 12:57:33,602 INFO L226 Difference]: Without dead ends: 24 [2018-11-18 12:57:33,604 INFO L604 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 [2018-11-18 12:57:33,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-18 12:57:33,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-18 12:57:33,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-18 12:57:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2018-11-18 12:57:33,627 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2018-11-18 12:57:33,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:33,627 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-18 12:57:33,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:57:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-11-18 12:57:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:57:33,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:33,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:33,628 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:33,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:33,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1454261980, now seen corresponding path program 1 times [2018-11-18 12:57:33,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:57:33,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:33,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:57:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:33,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:57:33,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:57:33,669 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:57:33,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:57:33,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:57:33,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:57:33,671 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 3 states. [2018-11-18 12:57:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:33,709 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-18 12:57:33,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:57:33,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-18 12:57:33,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:33,712 INFO L225 Difference]: With dead ends: 48 [2018-11-18 12:57:33,712 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 12:57:33,712 INFO L604 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 [2018-11-18 12:57:33,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 12:57:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 26. [2018-11-18 12:57:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-18 12:57:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2018-11-18 12:57:33,719 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2018-11-18 12:57:33,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:33,719 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2018-11-18 12:57:33,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:57:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-11-18 12:57:33,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:57:33,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:33,720 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:33,720 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:33,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:33,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1285187356, now seen corresponding path program 1 times [2018-11-18 12:57:33,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:57:33,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:33,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:57:33,722 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:57:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:33,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:57:33,805 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:57:33,806 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-11-18 12:57:33,807 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [17], [21], [23], [27], [31], [36], [39], [50], [53], [55], [61], [62], [63], [65] [2018-11-18 12:57:33,831 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:57:33,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:57:33,884 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-18 12:57:33,887 INFO L168 Benchmark]: Toolchain (without parser) took 934.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:33,888 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:57:33,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:33,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.45 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:57:33,889 INFO L168 Benchmark]: Boogie Preprocessor took 55.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:33,890 INFO L168 Benchmark]: RCFGBuilder took 193.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:33,890 INFO L168 Benchmark]: TraceAbstraction took 503.33 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:33,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 20.45 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 503.33 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 12:57:35,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:57:35,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:57:35,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:57:35,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:57:35,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:57:35,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:57:35,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:57:35,271 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:57:35,271 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:57:35,272 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:57:35,272 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:57:35,273 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:57:35,274 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:57:35,274 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:57:35,275 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:57:35,276 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:57:35,277 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:57:35,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:57:35,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:57:35,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:57:35,281 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:57:35,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:57:35,282 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:57:35,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:57:35,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:57:35,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:57:35,284 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:57:35,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:57:35,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:57:35,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:57:35,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:57:35,287 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:57:35,287 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:57:35,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:57:35,288 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:57:35,288 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:57:35,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:57:35,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:57:35,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:57:35,299 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:57:35,299 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:57:35,299 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:57:35,299 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:57:35,299 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:57:35,299 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:57:35,300 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:57:35,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:57:35,300 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:57:35,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:57:35,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:57:35,301 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:57:35,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:57:35,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:57:35,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:57:35,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:57:35,302 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:57:35,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:57:35,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:57:35,303 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:57:35,303 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_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan 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 -> Taipan 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 -> 63d846ed716b15249f52a5672a03600593372893 [2018-11-18 12:57:35,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:57:35,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:57:35,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:57:35,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:57:35,342 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:57:35,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:35,377 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/73cb4282b/b6567d797bd445709df89074831213d7/FLAG4a6b17c95 [2018-11-18 12:57:35,769 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:57:35,770 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:35,773 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/73cb4282b/b6567d797bd445709df89074831213d7/FLAG4a6b17c95 [2018-11-18 12:57:35,781 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/data/73cb4282b/b6567d797bd445709df89074831213d7 [2018-11-18 12:57:35,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:57:35,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:57:35,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:57:35,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:57:35,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:57:35,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1c7639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35, skipping insertion in model container [2018-11-18 12:57:35,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:57:35,808 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:57:35,933 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:57:35,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:57:35,956 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:57:35,971 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:57:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35 WrapperNode [2018-11-18 12:57:35,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:57:35,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:57:35,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:57:35,972 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:57:35,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:57:35,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:57:35,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:57:35,988 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:57:35,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:35,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:36,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:36,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:36,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... [2018-11-18 12:57:36,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:57:36,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:57:36,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:57:36,007 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:57:36,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/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 [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:57:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:57:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:57:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:57:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:57:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:57:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 12:57:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 12:57:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:57:36,250 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:57:36,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:57:36 BoogieIcfgContainer [2018-11-18 12:57:36,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:57:36,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:57:36,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:57:36,254 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:57:36,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:57:35" (1/3) ... [2018-11-18 12:57:36,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeb285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:57:36, skipping insertion in model container [2018-11-18 12:57:36,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:57:35" (2/3) ... [2018-11-18 12:57:36,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeb285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:57:36, skipping insertion in model container [2018-11-18 12:57:36,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:57:36" (3/3) ... [2018-11-18 12:57:36,257 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_monotonic_true-unreach-call.i [2018-11-18 12:57:36,264 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:57:36,270 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:57:36,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:57:36,301 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:57:36,301 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:57:36,301 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:57:36,301 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:57:36,301 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:57:36,301 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:57:36,302 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:57:36,302 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:57:36,302 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:57:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-18 12:57:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:57:36,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:36,315 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:36,317 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:36,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:36,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1759736084, now seen corresponding path program 1 times [2018-11-18 12:57:36,323 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:57:36,323 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:57:36,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:36,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,395 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:57:36,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:57:36,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:57:36,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:57:36,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:57:36,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:57:36,408 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2018-11-18 12:57:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:36,420 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2018-11-18 12:57:36,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:57:36,421 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-11-18 12:57:36,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:36,425 INFO L225 Difference]: With dead ends: 45 [2018-11-18 12:57:36,426 INFO L226 Difference]: Without dead ends: 24 [2018-11-18 12:57:36,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:57:36,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-18 12:57:36,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-18 12:57:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-18 12:57:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2018-11-18 12:57:36,451 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2018-11-18 12:57:36,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:36,451 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-18 12:57:36,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:57:36,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-11-18 12:57:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:57:36,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:36,452 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:36,452 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:36,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:36,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1454261980, now seen corresponding path program 1 times [2018-11-18 12:57:36,453 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:57:36,453 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:57:36,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:36,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,520 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:57:36,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:57:36,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:57:36,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:57:36,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:57:36,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:57:36,522 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 3 states. [2018-11-18 12:57:36,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:36,565 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2018-11-18 12:57:36,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:57:36,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-18 12:57:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:36,568 INFO L225 Difference]: With dead ends: 48 [2018-11-18 12:57:36,568 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 12:57:36,568 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:57:36,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 12:57:36,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 26. [2018-11-18 12:57:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-18 12:57:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2018-11-18 12:57:36,577 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 16 [2018-11-18 12:57:36,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:36,577 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2018-11-18 12:57:36,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:57:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-11-18 12:57:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:57:36,578 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:36,578 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:36,578 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:36,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1285187356, now seen corresponding path program 1 times [2018-11-18 12:57:36,579 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:57:36,579 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:57:36,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:36,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,643 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:57:36,699 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:57:36,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:57:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:57:36,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,737 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:36,765 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 12:57:36,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4] total 6 [2018-11-18 12:57:36,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:57:36,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:57:36,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:57:36,767 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 6 states. [2018-11-18 12:57:36,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:36,860 INFO L93 Difference]: Finished difference Result 74 states and 90 transitions. [2018-11-18 12:57:36,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:57:36,861 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 12:57:36,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:36,862 INFO L225 Difference]: With dead ends: 74 [2018-11-18 12:57:36,862 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 12:57:36,862 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:57:36,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 12:57:36,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 41. [2018-11-18 12:57:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 12:57:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2018-11-18 12:57:36,869 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 21 [2018-11-18 12:57:36,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:36,869 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2018-11-18 12:57:36,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:57:36,870 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2018-11-18 12:57:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:57:36,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:36,870 INFO L375 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:36,871 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:36,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:36,871 INFO L82 PathProgramCache]: Analyzing trace with hash -363894492, now seen corresponding path program 2 times [2018-11-18 12:57:36,873 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:57:36,874 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:57:36,895 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-18 12:57:36,972 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:57:36,972 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:57:36,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:37,028 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:37,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:57:37,160 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:57:37,169 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 12:57:37,215 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-18 12:57:37,215 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:57:37,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:37,236 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:37,294 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 12:57:37,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 12 [2018-11-18 12:57:37,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:57:37,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:57:37,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:57:37,295 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand 12 states. [2018-11-18 12:57:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:57:37,786 INFO L93 Difference]: Finished difference Result 140 states and 177 transitions. [2018-11-18 12:57:37,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:57:37,787 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-11-18 12:57:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:57:37,788 INFO L225 Difference]: With dead ends: 140 [2018-11-18 12:57:37,788 INFO L226 Difference]: Without dead ends: 127 [2018-11-18 12:57:37,788 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:57:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-18 12:57:37,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 71. [2018-11-18 12:57:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-11-18 12:57:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2018-11-18 12:57:37,796 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 36 [2018-11-18 12:57:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:57:37,796 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2018-11-18 12:57:37,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:57:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2018-11-18 12:57:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:57:37,798 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:57:37,798 INFO L375 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:57:37,798 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:57:37,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:57:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash 588443940, now seen corresponding path program 3 times [2018-11-18 12:57:37,799 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:57:37,799 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:57:37,811 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-18 12:57:41,863 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-18 12:57:41,863 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:57:41,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:57:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:41,982 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:57:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:57:42,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:57:42,268 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:57:42,274 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:58:55,345 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2018-11-18 12:58:55,345 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:58:55,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:58:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:58:55,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:58:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:58:55,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-11-18 12:58:55,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13, 14] total 34 [2018-11-18 12:58:55,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 12:58:55,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 12:58:55,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=771, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 12:58:55,969 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand 34 states. [2018-11-18 12:58:57,542 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-11-18 12:58:58,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:58:58,155 INFO L93 Difference]: Finished difference Result 272 states and 351 transitions. [2018-11-18 12:58:58,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:58:58,156 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-11-18 12:58:58,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:58:58,157 INFO L225 Difference]: With dead ends: 272 [2018-11-18 12:58:58,158 INFO L226 Difference]: Without dead ends: 259 [2018-11-18 12:58:58,158 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 226 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=671, Invalid=1309, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 12:58:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-18 12:58:58,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 131. [2018-11-18 12:58:58,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 12:58:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 155 transitions. [2018-11-18 12:58:58,176 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 155 transitions. Word has length 66 [2018-11-18 12:58:58,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:58:58,176 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 155 transitions. [2018-11-18 12:58:58,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 12:58:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 155 transitions. [2018-11-18 12:58:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 12:58:58,178 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:58:58,179 INFO L375 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:58:58,179 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:58:58,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:58:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2038431452, now seen corresponding path program 4 times [2018-11-18 12:58:58,180 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 12:58:58,180 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a540b19-bf83-45fc-ae6f-1117ac5c4396/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:58:58,197 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-18 12:58:58,421 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 12:58:58,421 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.partitionStmtsAccordingToConstantSize(AnnotateAndAsserterWithStmtOrderPrioritization.java:377) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.annotateAndAssertStmtsAccording5Heuristic(AnnotateAndAsserterWithStmtOrderPrioritization.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserterWithStmtOrderPrioritization.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2018-11-18 12:58:58,424 INFO L168 Benchmark]: Toolchain (without parser) took 82639.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 949.7 MB in the beginning and 899.0 MB in the end (delta: 50.8 MB). Peak memory consumption was 250.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:58:58,424 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:58:58,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:58:58,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.75 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:58:58,425 INFO L168 Benchmark]: Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:58:58,425 INFO L168 Benchmark]: RCFGBuilder took 244.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:58:58,426 INFO L168 Benchmark]: TraceAbstraction took 82171.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 899.0 MB in the end (delta: 211.4 MB). Peak memory consumption was 270.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:58:58,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.55 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.75 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.63 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 244.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 82171.58 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 899.0 MB in the end (delta: 211.4 MB). Peak memory consumption was 270.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: ConstantTerm is neither BigInter nor BigDecimal, therefore comparison is not possible!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserterWithStmtOrderPrioritization.termHasConstantGreaterThan(AnnotateAndAsserterWithStmtOrderPrioritization.java:358) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...