./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e11c684160c36739b32009d12dfc0b40146d3c7 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e11c684160c36739b32009d12dfc0b40146d3c7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:25:17,555 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:25:17,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:25:17,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:25:17,562 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:25:17,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:25:17,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:25:17,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:25:17,566 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:25:17,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:25:17,567 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:25:17,567 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:25:17,568 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:25:17,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:25:17,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:25:17,570 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:25:17,571 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:25:17,572 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:25:17,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:25:17,574 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:25:17,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:25:17,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:25:17,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:25:17,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:25:17,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:25:17,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:25:17,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:25:17,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:25:17,580 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:25:17,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:25:17,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:25:17,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:25:17,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:25:17,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:25:17,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:25:17,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:25:17,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:25:17,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:25:17,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:25:17,592 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:25:17,592 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:25:17,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:25:17,593 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:25:17,593 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:25:17,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:25:17,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:25:17,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:25:17,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:25:17,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:17,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:25:17,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:25:17,596 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:25:17,596 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:25:17,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:25:17,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:25:17,596 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_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e11c684160c36739b32009d12dfc0b40146d3c7 [2018-11-23 02:25:17,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:25:17,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:25:17,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:25:17,633 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:25:17,633 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:25:17,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:17,675 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/3cad6d472/c10ac18632674dee8395455e56e2af41/FLAG09503617f [2018-11-23 02:25:18,145 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:25:18,146 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:18,156 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/3cad6d472/c10ac18632674dee8395455e56e2af41/FLAG09503617f [2018-11-23 02:25:18,653 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/3cad6d472/c10ac18632674dee8395455e56e2af41 [2018-11-23 02:25:18,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:25:18,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:25:18,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:18,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:25:18,659 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:25:18,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:18" (1/1) ... [2018-11-23 02:25:18,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313768a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:18, skipping insertion in model container [2018-11-23 02:25:18,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:18" (1/1) ... [2018-11-23 02:25:18,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:25:18,698 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:25:18,963 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:19,015 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:25:19,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:19,129 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:25:19,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19 WrapperNode [2018-11-23 02:25:19,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:19,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:19,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:25:19,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:25:19,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:19,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:25:19,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:25:19,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:25:19,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... [2018-11-23 02:25:19,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:25:19,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:25:19,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:25:19,184 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:25:19,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-23 02:25:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-23 02:25:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-23 02:25:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-23 02:25:19,215 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-23 02:25:19,215 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:25:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-23 02:25:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-23 02:25:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-23 02:25:19,216 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-23 02:25:19,216 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-23 02:25:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-23 02:25:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:25:19,217 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-23 02:25:19,217 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 02:25:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:25:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 02:25:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-23 02:25:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-23 02:25:19,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:25:19,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:25:19,591 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:25:19,592 INFO L280 CfgBuilder]: Removed 41 assue(true) statements. [2018-11-23 02:25:19,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:19 BoogieIcfgContainer [2018-11-23 02:25:19,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:25:19,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:25:19,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:25:19,595 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:25:19,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:18" (1/3) ... [2018-11-23 02:25:19,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49161b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:19, skipping insertion in model container [2018-11-23 02:25:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:19" (2/3) ... [2018-11-23 02:25:19,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49161b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:19, skipping insertion in model container [2018-11-23 02:25:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:19" (3/3) ... [2018-11-23 02:25:19,598 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:19,603 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:25:19,608 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:25:19,619 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:25:19,641 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:25:19,641 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:25:19,641 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:25:19,641 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:25:19,641 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:25:19,642 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:25:19,642 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:25:19,642 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:25:19,642 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:25:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-11-23 02:25:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 02:25:19,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:19,662 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:19,664 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:19,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:19,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1597118822, now seen corresponding path program 1 times [2018-11-23 02:25:19,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:19,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:19,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:19,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:19,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:19,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:25:19,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:25:19,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:25:19,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:25:19,780 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-11-23 02:25:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:19,809 INFO L93 Difference]: Finished difference Result 280 states and 451 transitions. [2018-11-23 02:25:19,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:25:19,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 02:25:19,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:19,816 INFO L225 Difference]: With dead ends: 280 [2018-11-23 02:25:19,816 INFO L226 Difference]: Without dead ends: 130 [2018-11-23 02:25:19,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:25:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-23 02:25:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-23 02:25:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-23 02:25:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-23 02:25:19,848 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 14 [2018-11-23 02:25:19,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:19,848 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-23 02:25:19,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:25:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-23 02:25:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 02:25:19,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:19,850 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:19,850 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:19,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:19,850 INFO L82 PathProgramCache]: Analyzing trace with hash -427313062, now seen corresponding path program 1 times [2018-11-23 02:25:19,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:19,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:19,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:19,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:19,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:19,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:19,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:19,956 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 5 states. [2018-11-23 02:25:20,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:20,066 INFO L93 Difference]: Finished difference Result 132 states and 152 transitions. [2018-11-23 02:25:20,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:25:20,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-11-23 02:25:20,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:20,068 INFO L225 Difference]: With dead ends: 132 [2018-11-23 02:25:20,068 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 02:25:20,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:25:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 02:25:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 02:25:20,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 02:25:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-11-23 02:25:20,080 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 34 [2018-11-23 02:25:20,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:20,081 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-11-23 02:25:20,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-11-23 02:25:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:25:20,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:20,082 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:20,082 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:20,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash -30225678, now seen corresponding path program 1 times [2018-11-23 02:25:20,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:20,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:20,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:20,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:20,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:20,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:20,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-23 02:25:20,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 02:25:20,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 02:25:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2018-11-23 02:25:20,313 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 14 states. [2018-11-23 02:25:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:21,294 INFO L93 Difference]: Finished difference Result 229 states and 270 transitions. [2018-11-23 02:25:21,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 02:25:21,294 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-11-23 02:25:21,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:21,297 INFO L225 Difference]: With dead ends: 229 [2018-11-23 02:25:21,297 INFO L226 Difference]: Without dead ends: 223 [2018-11-23 02:25:21,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-11-23 02:25:21,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-23 02:25:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 198. [2018-11-23 02:25:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-23 02:25:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 236 transitions. [2018-11-23 02:25:21,315 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 236 transitions. Word has length 37 [2018-11-23 02:25:21,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:21,316 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 236 transitions. [2018-11-23 02:25:21,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 02:25:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 236 transitions. [2018-11-23 02:25:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 02:25:21,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:21,317 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:21,317 INFO L423 AbstractCegarLoop]: === Iteration 4 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:21,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:21,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1274473543, now seen corresponding path program 1 times [2018-11-23 02:25:21,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:21,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:21,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:21,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:21,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:21,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:21,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-23 02:25:21,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 02:25:21,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 02:25:21,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-11-23 02:25:21,659 INFO L87 Difference]: Start difference. First operand 198 states and 236 transitions. Second operand 17 states. [2018-11-23 02:25:23,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:23,077 INFO L93 Difference]: Finished difference Result 321 states and 388 transitions. [2018-11-23 02:25:23,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 02:25:23,078 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 40 [2018-11-23 02:25:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:23,080 INFO L225 Difference]: With dead ends: 321 [2018-11-23 02:25:23,080 INFO L226 Difference]: Without dead ends: 318 [2018-11-23 02:25:23,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2018-11-23 02:25:23,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-11-23 02:25:23,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 290. [2018-11-23 02:25:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 02:25:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2018-11-23 02:25:23,113 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 40 [2018-11-23 02:25:23,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:23,113 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2018-11-23 02:25:23,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 02:25:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2018-11-23 02:25:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 02:25:23,114 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:23,115 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:23,115 INFO L423 AbstractCegarLoop]: === Iteration 5 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:23,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:23,115 INFO L82 PathProgramCache]: Analyzing trace with hash 129254594, now seen corresponding path program 1 times [2018-11-23 02:25:23,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:23,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:23,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:23,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:23,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:23,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:23,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-23 02:25:23,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 02:25:23,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 02:25:23,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2018-11-23 02:25:23,563 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand 17 states. [2018-11-23 02:25:24,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:24,937 INFO L93 Difference]: Finished difference Result 324 states and 392 transitions. [2018-11-23 02:25:24,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 02:25:24,941 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 43 [2018-11-23 02:25:24,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:24,943 INFO L225 Difference]: With dead ends: 324 [2018-11-23 02:25:24,943 INFO L226 Difference]: Without dead ends: 321 [2018-11-23 02:25:24,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2018-11-23 02:25:24,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-11-23 02:25:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 290. [2018-11-23 02:25:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 02:25:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2018-11-23 02:25:24,973 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 43 [2018-11-23 02:25:24,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:24,973 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2018-11-23 02:25:24,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 02:25:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2018-11-23 02:25:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 02:25:24,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:24,974 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:24,974 INFO L423 AbstractCegarLoop]: === Iteration 6 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:24,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:24,975 INFO L82 PathProgramCache]: Analyzing trace with hash 2147132914, now seen corresponding path program 1 times [2018-11-23 02:25:24,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:24,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:24,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:24,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:24,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:25,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:25,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2018-11-23 02:25:25,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 02:25:25,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 02:25:25,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:25:25,593 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 20 states. [2018-11-23 02:25:27,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:27,352 INFO L93 Difference]: Finished difference Result 319 states and 384 transitions. [2018-11-23 02:25:27,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 02:25:27,353 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 46 [2018-11-23 02:25:27,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:27,354 INFO L225 Difference]: With dead ends: 319 [2018-11-23 02:25:27,354 INFO L226 Difference]: Without dead ends: 316 [2018-11-23 02:25:27,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=159, Invalid=833, Unknown=0, NotChecked=0, Total=992 [2018-11-23 02:25:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-11-23 02:25:27,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 290. [2018-11-23 02:25:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 02:25:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2018-11-23 02:25:27,385 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 46 [2018-11-23 02:25:27,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:27,385 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2018-11-23 02:25:27,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 02:25:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2018-11-23 02:25:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 02:25:27,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:27,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:27,386 INFO L423 AbstractCegarLoop]: === Iteration 7 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:27,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:27,387 INFO L82 PathProgramCache]: Analyzing trace with hash 117297583, now seen corresponding path program 1 times [2018-11-23 02:25:27,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:27,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:27,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:27,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:27,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:27,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:27,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-23 02:25:27,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 02:25:27,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 02:25:27,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2018-11-23 02:25:27,856 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand 18 states. [2018-11-23 02:25:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:29,492 INFO L93 Difference]: Finished difference Result 318 states and 382 transitions. [2018-11-23 02:25:29,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 02:25:29,493 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 49 [2018-11-23 02:25:29,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:29,494 INFO L225 Difference]: With dead ends: 318 [2018-11-23 02:25:29,494 INFO L226 Difference]: Without dead ends: 315 [2018-11-23 02:25:29,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2018-11-23 02:25:29,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-11-23 02:25:29,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 290. [2018-11-23 02:25:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 02:25:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2018-11-23 02:25:29,524 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 49 [2018-11-23 02:25:29,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:29,524 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2018-11-23 02:25:29,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 02:25:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2018-11-23 02:25:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 02:25:29,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:29,525 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:29,525 INFO L423 AbstractCegarLoop]: === Iteration 8 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:29,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:29,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1848170814, now seen corresponding path program 1 times [2018-11-23 02:25:29,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:29,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:29,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:29,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:29,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:29,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:29,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-11-23 02:25:29,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 02:25:29,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 02:25:29,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-11-23 02:25:29,994 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 18 states. [2018-11-23 02:25:31,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:31,192 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2018-11-23 02:25:31,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 02:25:31,192 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 52 [2018-11-23 02:25:31,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:31,193 INFO L225 Difference]: With dead ends: 316 [2018-11-23 02:25:31,194 INFO L226 Difference]: Without dead ends: 313 [2018-11-23 02:25:31,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 02:25:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-23 02:25:31,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 290. [2018-11-23 02:25:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-23 02:25:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2018-11-23 02:25:31,213 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 52 [2018-11-23 02:25:31,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:31,214 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2018-11-23 02:25:31,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 02:25:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2018-11-23 02:25:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 02:25:31,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:31,215 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:31,215 INFO L423 AbstractCegarLoop]: === Iteration 9 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:31,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:31,215 INFO L82 PathProgramCache]: Analyzing trace with hash 2097711328, now seen corresponding path program 1 times [2018-11-23 02:25:31,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:25:31,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:25:31,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:31,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:31,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:25:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:25:32,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:25:32,245 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:25:32,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:32,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:32,343 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-23 02:25:32,351 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:32,365 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-23 02:25:32,368 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 02:25:32,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:32,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:32,388 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:55 [2018-11-23 02:25:32,443 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2018-11-23 02:25:32,444 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,464 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:32,465 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:32,466 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-11-23 02:25:32,466 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,490 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-23 02:25:32,492 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 02:25:32,493 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,499 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,516 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-11-23 02:25:32,518 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 02:25:32,518 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,523 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,540 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-11-23 02:25:32,542 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 02:25:32,542 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,547 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,569 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-11-23 02:25:32,571 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-23 02:25:32,571 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,576 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,585 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:73, output treesize:13 [2018-11-23 02:25:32,695 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:32,696 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 5 [2018-11-23 02:25:32,696 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,706 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-23 02:25:32,708 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 02:25:32,708 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,709 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,722 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-11-23 02:25:32,723 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-11-23 02:25:32,723 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,724 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-23 02:25:32,732 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:51, output treesize:15 [2018-11-23 02:25:32,870 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2018-11-23 02:25:32,894 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 02:25:32,894 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,928 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-23 02:25:32,934 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-23 02:25:32,938 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:32,939 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-23 02:25:32,939 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:32,952 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:33,016 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:25:33,017 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2018-11-23 02:25:33,021 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:33,031 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 46 [2018-11-23 02:25:33,031 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:33,044 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:33,097 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2018-11-23 02:25:33,101 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:33,106 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:25:33,107 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 42 [2018-11-23 02:25:33,108 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:33,115 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:33,165 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2018-11-23 02:25:33,368 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:25:33,368 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) 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:456) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 02:25:33,371 INFO L168 Benchmark]: Toolchain (without parser) took 14715.13 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 956.6 MB in the beginning and 942.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 339.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,372 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:25:33,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,373 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,374 INFO L168 Benchmark]: RCFGBuilder took 408.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,374 INFO L168 Benchmark]: TraceAbstraction took 13778.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 942.4 MB in the end (delta: 105.0 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:33,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.96 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 408.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13778.03 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.0 GB in the beginning and 942.4 MB in the end (delta: 105.0 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_12 __list_add_~new.offset |__list_add_#in~next.base|): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 02:25:34,754 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:25:34,756 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:25:34,764 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:25:34,764 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:25:34,765 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:25:34,766 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:25:34,767 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:25:34,768 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:25:34,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:25:34,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:25:34,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:25:34,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:25:34,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:25:34,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:25:34,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:25:34,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:25:34,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:25:34,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:25:34,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:25:34,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:25:34,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:25:34,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:25:34,783 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:25:34,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:25:34,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:25:34,785 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:25:34,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:25:34,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:25:34,787 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:25:34,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:25:34,788 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:25:34,789 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:25:34,789 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:25:34,790 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:25:34,790 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:25:34,790 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 02:25:34,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:25:34,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:25:34,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:25:34,801 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:25:34,801 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:25:34,801 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:25:34,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:25:34,802 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:25:34,803 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:25:34,803 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:25:34,803 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:25:34,803 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:25:34,803 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:25:34,805 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:25:34,805 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:25:34,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:25:34,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:25:34,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:34,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:25:34,806 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:25:34,807 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:25:34,807 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_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e11c684160c36739b32009d12dfc0b40146d3c7 [2018-11-23 02:25:34,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:25:34,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:25:34,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:25:34,851 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:25:34,852 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:25:34,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:34,897 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/87f450a04/657c919c5c86495e94e4d66f610d1edb/FLAG2774d45aa [2018-11-23 02:25:35,364 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:25:35,365 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/sv-benchmarks/c/heap-manipulation/bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:35,377 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/87f450a04/657c919c5c86495e94e4d66f610d1edb/FLAG2774d45aa [2018-11-23 02:25:35,869 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/data/87f450a04/657c919c5c86495e94e4d66f610d1edb [2018-11-23 02:25:35,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:25:35,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:25:35,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:35,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:25:35,875 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:25:35,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:35" (1/1) ... [2018-11-23 02:25:35,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1055691b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:35, skipping insertion in model container [2018-11-23 02:25:35,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:35" (1/1) ... [2018-11-23 02:25:35,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:25:35,921 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:25:36,218 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:36,229 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:25:36,325 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:25:36,404 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:25:36,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36 WrapperNode [2018-11-23 02:25:36,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:25:36,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:36,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:25:36,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:25:36,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:25:36,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:25:36,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:25:36,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:25:36,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... [2018-11-23 02:25:36,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:25:36,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:25:36,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:25:36,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:25:36,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:25:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:25:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2018-11-23 02:25:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2018-11-23 02:25:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2018-11-23 02:25:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2018-11-23 02:25:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2018-11-23 02:25:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2018-11-23 02:25:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:25:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:25:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 02:25:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2018-11-23 02:25:36,531 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2018-11-23 02:25:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2018-11-23 02:25:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2018-11-23 02:25:36,532 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2018-11-23 02:25:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2018-11-23 02:25:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2018-11-23 02:25:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2018-11-23 02:25:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:25:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 02:25:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2018-11-23 02:25:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2018-11-23 02:25:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2018-11-23 02:25:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2018-11-23 02:25:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:25:36,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:25:37,069 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:25:37,070 INFO L280 CfgBuilder]: Removed 41 assue(true) statements. [2018-11-23 02:25:37,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:37 BoogieIcfgContainer [2018-11-23 02:25:37,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:25:37,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:25:37,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:25:37,074 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:25:37,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:35" (1/3) ... [2018-11-23 02:25:37,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16d3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:37, skipping insertion in model container [2018-11-23 02:25:37,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:36" (2/3) ... [2018-11-23 02:25:37,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b16d3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:37, skipping insertion in model container [2018-11-23 02:25:37,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:37" (3/3) ... [2018-11-23 02:25:37,076 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux_true-unreach-call_true-valid-memsafety.i [2018-11-23 02:25:37,084 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:25:37,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:25:37,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:25:37,114 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:25:37,115 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:25:37,115 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:25:37,115 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:25:37,115 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:25:37,115 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:25:37,116 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:25:37,116 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:25:37,116 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:25:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-23 02:25:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 02:25:37,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:37,131 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:37,133 INFO L423 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:37,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:37,136 INFO L82 PathProgramCache]: Analyzing trace with hash 923953062, now seen corresponding path program 1 times [2018-11-23 02:25:37,140 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:25:37,140 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/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 [2018-11-23 02:25:37,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:37,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:37,228 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:25:37,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:37,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:25:37,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:25:37,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:25:37,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:25:37,247 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-23 02:25:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:37,280 INFO L93 Difference]: Finished difference Result 276 states and 447 transitions. [2018-11-23 02:25:37,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:25:37,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 02:25:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:37,291 INFO L225 Difference]: With dead ends: 276 [2018-11-23 02:25:37,291 INFO L226 Difference]: Without dead ends: 128 [2018-11-23 02:25:37,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:25:37,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-23 02:25:37,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-23 02:25:37,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-23 02:25:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2018-11-23 02:25:37,332 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 14 [2018-11-23 02:25:37,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:37,332 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2018-11-23 02:25:37,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:25:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2018-11-23 02:25:37,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 02:25:37,334 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:37,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:37,334 INFO L423 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:37,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:37,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1064303807, now seen corresponding path program 1 times [2018-11-23 02:25:37,335 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:25:37,335 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/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 [2018-11-23 02:25:37,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:37,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:25:37,421 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (3)] Exception during sending of exit command (exit): Broken pipe [2018-11-23 02:25:37,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:25:37,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:25:37,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:25:37,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:25:37,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:25:37,425 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 5 states. [2018-11-23 02:25:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:25:37,581 INFO L93 Difference]: Finished difference Result 130 states and 150 transitions. [2018-11-23 02:25:37,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:25:37,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-11-23 02:25:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:25:37,584 INFO L225 Difference]: With dead ends: 130 [2018-11-23 02:25:37,584 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 02:25:37,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:25:37,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 02:25:37,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-23 02:25:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 02:25:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 147 transitions. [2018-11-23 02:25:37,599 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 147 transitions. Word has length 32 [2018-11-23 02:25:37,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:25:37,601 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 147 transitions. [2018-11-23 02:25:37,601 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:25:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2018-11-23 02:25:37,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 02:25:37,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:25:37,602 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:25:37,602 INFO L423 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:25:37,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:25:37,602 INFO L82 PathProgramCache]: Analyzing trace with hash 996272299, now seen corresponding path program 1 times [2018-11-23 02:25:37,603 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 02:25:37,603 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f93758e-c37e-4c9e-aaa2-bdc87e230f64/bin-2019/uautomizer/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 [2018-11-23 02:25:37,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:25:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:25:37,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:25:37,768 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-11-23 02:25:37,785 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:37,806 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-11-23 02:25:37,807 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-23 02:25:37,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:37,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:37,856 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:22, output treesize:45 [2018-11-23 02:25:37,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-23 02:25:37,896 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-23 02:25:37,896 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:37,902 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:37,923 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-11-23 02:25:37,925 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-23 02:25:37,925 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:37,929 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:37,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:37,942 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:49, output treesize:31 [2018-11-23 02:25:37,972 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:37,974 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:37,975 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-11-23 02:25:37,976 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:37,997 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 7 [2018-11-23 02:25:37,998 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:38,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:38,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:7 [2018-11-23 02:25:38,080 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 48 [2018-11-23 02:25:38,192 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-23 02:25:38,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:38,371 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 53 [2018-11-23 02:25:38,382 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 41 [2018-11-23 02:25:38,395 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:38,398 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:38,412 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 44 [2018-11-23 02:25:38,413 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-23 02:25:38,493 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:38,888 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 44 [2018-11-23 02:25:38,894 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:38,899 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-23 02:25:38,899 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:38,933 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:39,511 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 50 [2018-11-23 02:25:39,551 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52 [2018-11-23 02:25:39,564 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:39,584 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 69 [2018-11-23 02:25:39,585 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-11-23 02:25:39,726 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:39,727 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2018-11-23 02:25:39,727 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:39,823 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-23 02:25:40,026 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-11-23 02:25:40,026 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:40,203 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-11-23 02:25:40,646 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 43 [2018-11-23 02:25:40,650 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-23 02:25:40,650 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:40,670 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,000 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 53 [2018-11-23 02:25:41,004 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 41 [2018-11-23 02:25:41,005 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,139 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,308 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-23 02:25:41,366 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 58 [2018-11-23 02:25:41,372 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2018-11-23 02:25:41,379 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:41,379 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 34 [2018-11-23 02:25:41,380 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,413 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,876 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 02:25:41,877 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2018-11-23 02:25:41,897 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 02:25:41,898 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 43 [2018-11-23 02:25:41,899 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-11-23 02:25:41,931 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 02:25:42,248 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 55 [2018-11-23 02:25:42,450 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 02:25:42,450 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:210) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) 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:456) 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:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 02:25:42,453 INFO L168 Benchmark]: Toolchain (without parser) took 6581.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 274.2 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:42,454 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-23 02:25:42,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:42,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:25:42,455 INFO L168 Benchmark]: Boogie Preprocessor took 42.57 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:42,455 INFO L168 Benchmark]: RCFGBuilder took 590.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:42,455 INFO L168 Benchmark]: TraceAbstraction took 5381.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.1 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:25:42,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.57 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 590.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5381.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -71.1 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_14 __list_add_~new.offset __list_add_~next.base): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...