./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/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_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/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 0.1.23-0cd3be1 [2018-11-28 12:40:11,167 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:40:11,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:40:11,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:40:11,178 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:40:11,178 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:40:11,179 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:40:11,181 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:40:11,182 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:40:11,183 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:40:11,183 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:40:11,184 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:40:11,185 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:40:11,185 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:40:11,186 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:40:11,187 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:40:11,187 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:40:11,189 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:40:11,190 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:40:11,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:40:11,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:40:11,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:40:11,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:40:11,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:40:11,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:40:11,197 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:40:11,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:40:11,198 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:40:11,198 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:40:11,199 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:40:11,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:40:11,200 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:40:11,200 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:40:11,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:40:11,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:40:11,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:40:11,202 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 12:40:11,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:40:11,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:40:11,214 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:40:11,214 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:40:11,214 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:40:11,215 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:40:11,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:40:11,215 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:40:11,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:40:11,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:40:11,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:40:11,217 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:40:11,217 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:40:11,218 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:40:11,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:40:11,218 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:40:11,218 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:40:11,218 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:40:11,218 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_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/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 [2018-11-28 12:40:11,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:40:11,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:40:11,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:40:11,253 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:40:11,253 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:40:11,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-11-28 12:40:11,290 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/data/f8c11451f/118180a1f5594cdf862c609cb08bbbc8/FLAG6a159436e [2018-11-28 12:40:11,613 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:40:11,613 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-11-28 12:40:11,617 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/data/f8c11451f/118180a1f5594cdf862c609cb08bbbc8/FLAG6a159436e [2018-11-28 12:40:11,627 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/data/f8c11451f/118180a1f5594cdf862c609cb08bbbc8 [2018-11-28 12:40:11,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:40:11,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:40:11,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:11,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:40:11,633 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:40:11,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c466ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11, skipping insertion in model container [2018-11-28 12:40:11,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:40:11,648 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:40:11,745 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:11,748 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:40:11,759 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:11,772 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:40:11,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11 WrapperNode [2018-11-28 12:40:11,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:11,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:40:11,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:40:11,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:40:11,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:40:11,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:40:11,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:40:11,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:40:11,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... [2018-11-28 12:40:11,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:40:11,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:40:11,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:40:11,847 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:40:11,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/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 [2018-11-28 12:40:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:40:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:40:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:40:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:40:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:40:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:40:11,968 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:40:11,969 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 12:40:11,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:11 BoogieIcfgContainer [2018-11-28 12:40:11,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:40:11,969 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:40:11,969 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:40:11,971 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:40:11,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:40:11,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:40:11" (1/3) ... [2018-11-28 12:40:11,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a789c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:40:11, skipping insertion in model container [2018-11-28 12:40:11,973 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:40:11,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:11" (2/3) ... [2018-11-28 12:40:11,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9a789c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:40:11, skipping insertion in model container [2018-11-28 12:40:11,973 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:40:11,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:11" (3/3) ... [2018-11-28 12:40:11,974 INFO L375 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices_false-termination_true-valid-memsafety_true-no-overflow.c [2018-11-28 12:40:12,005 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:40:12,005 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:40:12,005 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:40:12,005 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:40:12,005 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:40:12,006 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:40:12,006 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:40:12,006 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:40:12,006 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:40:12,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 12:40:12,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:40:12,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:40:12,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:40:12,032 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 12:40:12,032 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:40:12,032 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:40:12,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 12:40:12,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 12:40:12,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:40:12,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:40:12,033 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 12:40:12,033 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 12:40:12,038 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~nondet3, main_#t~mem1, main_~#a~0.base, main_~#a~0.offset;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc(4192);call write~int(main_#t~nondet0, main_~#a~0.base, 8 + main_~#a~0.offset, 4);havoc main_#t~nondet0; 4#L13-3true [2018-11-28 12:40:12,038 INFO L796 eck$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 [2018-11-28 12:40:12,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:12,042 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 12:40:12,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:12,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:12,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:12,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:12,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-11-28 12:40:12,115 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:12,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:12,126 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-28 12:40:12,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:12,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:12,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:12,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:40:12,310 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-11-28 12:40:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:40:12 BoogieIcfgContainer [2018-11-28 12:40:12,361 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:40:12,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:40:12,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:40:12,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:40:12,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:11" (3/4) ... [2018-11-28 12:40:12,364 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:40:12,391 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57c376cf-f2aa-459d-bbcd-c7ccfebafc14/bin-2019/uautomizer/witness.graphml [2018-11-28 12:40:12,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:40:12,392 INFO L168 Benchmark]: Toolchain (without parser) took 762.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,393 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:40:12,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:40:12,394 INFO L168 Benchmark]: Boogie Preprocessor took 51.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 942.5 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,395 INFO L168 Benchmark]: RCFGBuilder took 122.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,395 INFO L168 Benchmark]: BuchiAutomizer took 391.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:12,396 INFO L168 Benchmark]: Witness Printer took 30.85 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. [2018-11-28 12:40:12,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.60 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.91 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 942.5 MB in the beginning and 1.2 GB in the end (delta: -209.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 122.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 391.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 11.5 GB. * Witness Printer took 30.85 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. * 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 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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@737bd4f8=449, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2c03de83=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@7cb40a6a=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72c538d3=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...