./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 072df04afae5ae28487e0b8208c52f13961dea34 ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 23:51:15,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 23:51:15,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 23:51:15,232 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 23:51:15,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 23:51:15,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 23:51:15,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 23:51:15,235 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 23:51:15,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 23:51:15,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 23:51:15,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 23:51:15,238 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 23:51:15,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 23:51:15,239 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 23:51:15,240 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 23:51:15,241 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 23:51:15,241 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 23:51:15,243 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 23:51:15,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 23:51:15,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 23:51:15,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 23:51:15,247 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 23:51:15,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 23:51:15,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 23:51:15,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 23:51:15,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 23:51:15,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 23:51:15,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 23:51:15,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 23:51:15,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 23:51:15,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 23:51:15,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 23:51:15,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 23:51:15,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 23:51:15,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 23:51:15,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 23:51:15,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-02 23:51:15,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 23:51:15,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 23:51:15,267 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 23:51:15,267 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 23:51:15,267 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 23:51:15,267 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 23:51:15,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 23:51:15,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 23:51:15,269 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 23:51:15,270 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 23:51:15,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 23:51:15,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 23:51:15,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 23:51:15,270 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 23:51:15,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 23:51:15,271 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 23:51:15,271 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 23:51:15,271 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 23:51:15,272 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_b58e6f78-aeda-4a08-b494-3e14a36fe980/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(F end) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2018-12-02 23:51:15,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 23:51:15,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 23:51:15,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 23:51:15,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 23:51:15,299 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 23:51:15,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-12-02 23:51:15,336 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/data/89045b71b/a6298291b2af45fcae83f4b0b5627263/FLAG375bad7c0 [2018-12-02 23:51:15,736 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 23:51:15,736 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-12-02 23:51:15,740 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/data/89045b71b/a6298291b2af45fcae83f4b0b5627263/FLAG375bad7c0 [2018-12-02 23:51:15,748 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/data/89045b71b/a6298291b2af45fcae83f4b0b5627263 [2018-12-02 23:51:15,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 23:51:15,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 23:51:15,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 23:51:15,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 23:51:15,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 23:51:15,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c04efe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15, skipping insertion in model container [2018-12-02 23:51:15,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 23:51:15,766 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 23:51:15,849 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:51:15,852 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 23:51:15,862 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 23:51:15,873 INFO L195 MainTranslator]: Completed translation [2018-12-02 23:51:15,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15 WrapperNode [2018-12-02 23:51:15,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 23:51:15,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 23:51:15,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 23:51:15,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 23:51:15,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 23:51:15,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 23:51:15,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 23:51:15,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 23:51:15,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... [2018-12-02 23:51:15,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 23:51:15,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 23:51:15,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 23:51:15,939 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 23:51:15,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 23:51:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 23:51:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 23:51:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 23:51:15,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 23:51:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 23:51:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 23:51:16,057 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 23:51:16,057 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 23:51:16,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:51:16 BoogieIcfgContainer [2018-12-02 23:51:16,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 23:51:16,058 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 23:51:16,058 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 23:51:16,060 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 23:51:16,060 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:51:16,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 11:51:15" (1/3) ... [2018-12-02 23:51:16,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423111ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:51:16, skipping insertion in model container [2018-12-02 23:51:16,061 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:51:16,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:51:15" (2/3) ... [2018-12-02 23:51:16,062 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423111ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 11:51:16, skipping insertion in model container [2018-12-02 23:51:16,062 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 23:51:16,062 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:51:16" (3/3) ... [2018-12-02 23:51:16,063 INFO L375 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-12-02 23:51:16,094 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 23:51:16,095 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 23:51:16,095 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 23:51:16,095 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 23:51:16,095 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 23:51:16,095 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 23:51:16,095 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 23:51:16,095 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 23:51:16,095 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 23:51:16,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 23:51:16,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 23:51:16,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:51:16,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:51:16,120 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-02 23:51:16,120 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 23:51:16,120 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 23:51:16,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 23:51:16,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 23:51:16,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 23:51:16,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 23:51:16,121 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-02 23:51:16,121 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 23:51:16,125 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~nondet3, main_#t~mem1, main_~#a~0.base, main_~#a~0.offset;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc(4192);call write~int(main_#t~nondet0, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet0; 4#L13-3true [2018-12-02 23:51:16,126 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true call main_#t~mem1 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4); 7#L13-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~#a~0.base, 8 + main_~#a~0.offset, 4);call write~int(main_#t~mem2 - 1, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~mem2;call write~int(main_#t~nondet3, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet3; 4#L13-3true [2018-12-02 23:51:16,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:51:16,129 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-12-02 23:51:16,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:51:16,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:51:16,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:51:16,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:51:16,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-12-02 23:51:16,200 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:51:16,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:51:16,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:51:16,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 23:51:16,208 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-12-02 23:51:16,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 23:51:16,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 23:51:16,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 23:51:16,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 23:51:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 23:51:16,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 11:51:16 BoogieIcfgContainer [2018-12-02 23:51:16,348 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 23:51:16,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 23:51:16,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 23:51:16,349 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 23:51:16,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:51:16" (3/4) ... [2018-12-02 23:51:16,351 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 23:51:16,376 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b58e6f78-aeda-4a08-b494-3e14a36fe980/bin-2019/uautomizer/witness.graphml [2018-12-02 23:51:16,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 23:51:16,376 INFO L168 Benchmark]: Toolchain (without parser) took 626.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -102.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,377 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:51:16,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.34 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.01 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 23:51:16,378 INFO L168 Benchmark]: Boogie Preprocessor took 43.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,379 INFO L168 Benchmark]: RCFGBuilder took 118.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,379 INFO L168 Benchmark]: BuchiAutomizer took 290.71 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,379 INFO L168 Benchmark]: Witness Printer took 27.29 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-02 23:51:16,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.34 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.01 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 290.71 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: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Witness Printer took 27.29 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e802aed=449, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@4a1d3886=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@5c25a953=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d57aa18=0, \result=0, a=0, a=2} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L9] int a[1048]; [L11] a[2] = __VERIFIER_nondet_int() Loop: [L13] EXPR a[2] [L13] COND TRUE a[2] >= 0 [L14] EXPR a[2] [L14] a[2] = a[2] - 1 [L15] a[1+1] = __VERIFIER_nondet_int() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...