./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/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 0.1.23-1dbac8b [2018-11-10 13:30:35,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:30:35,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:30:35,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:30:35,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:30:35,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:30:35,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:30:35,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:30:35,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:30:35,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:30:35,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:30:35,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:30:35,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:30:35,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:30:35,201 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:30:35,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:30:35,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:30:35,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:30:35,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:30:35,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:30:35,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:30:35,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:30:35,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:30:35,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:30:35,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:30:35,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:30:35,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:30:35,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:30:35,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:30:35,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:30:35,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:30:35,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:30:35,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:30:35,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:30:35,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:30:35,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:30:35,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-10 13:30:35,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:30:35,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:30:35,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 13:30:35,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 13:30:35,227 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 13:30:35,227 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 13:30:35,228 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 13:30:35,228 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 13:30:35,229 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 13:30:35,229 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 13:30:35,229 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 13:30:35,229 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:30:35,229 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:30:35,229 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 13:30:35,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 13:30:35,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:30:35,231 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:30:35,231 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 13:30:35,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:30:35,231 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 13:30:35,231 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 13:30:35,232 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 13:30:35,232 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_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/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 [2018-11-10 13:30:35,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:30:35,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:30:35,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:30:35,269 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:30:35,269 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:30:35,269 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c [2018-11-10 13:30:35,305 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/data/a14114043/1d035bdb8f92467caf839e2ebdfe8caf/FLAGeb97eb869 [2018-11-10 13:30:35,596 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:30:35,597 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c [2018-11-10 13:30:35,601 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/data/a14114043/1d035bdb8f92467caf839e2ebdfe8caf/FLAGeb97eb869 [2018-11-10 13:30:35,611 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/data/a14114043/1d035bdb8f92467caf839e2ebdfe8caf [2018-11-10 13:30:35,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:30:35,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:30:35,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:35,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:30:35,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:30:35,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ca410a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35, skipping insertion in model container [2018-11-10 13:30:35,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:30:35,636 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:30:35,731 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:35,734 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:30:35,743 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:30:35,754 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:30:35,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35 WrapperNode [2018-11-10 13:30:35,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:30:35,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:35,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:30:35,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:30:35,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:30:35,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:30:35,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:30:35,780 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:30:35,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... [2018-11-10 13:30:35,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:30:35,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:30:35,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:30:35,797 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:30:35,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/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 [2018-11-10 13:30:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 13:30:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:30:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:30:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 13:30:36,012 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:30:36,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:36 BoogieIcfgContainer [2018-11-10 13:30:36,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:30:36,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 13:30:36,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 13:30:36,016 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 13:30:36,017 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:36,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 01:30:35" (1/3) ... [2018-11-10 13:30:36,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b360754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:30:36, skipping insertion in model container [2018-11-10 13:30:36,018 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:36,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:30:35" (2/3) ... [2018-11-10 13:30:36,019 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b360754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 01:30:36, skipping insertion in model container [2018-11-10 13:30:36,019 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 13:30:36,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:36" (3/3) ... [2018-11-10 13:30:36,020 INFO L375 chiAutomizerObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices_true-no-overflow_false-termination.c [2018-11-10 13:30:36,065 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 13:30:36,065 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 13:30:36,065 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 13:30:36,065 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 13:30:36,066 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:30:36,066 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:30:36,066 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 13:30:36,066 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:30:36,066 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 13:30:36,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-10 13:30:36,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-10 13:30:36,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:30:36,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:30:36,094 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:30:36,094 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:36,094 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 13:30:36,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-10 13:30:36,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-10 13:30:36,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 13:30:36,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 13:30:36,096 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-10 13:30:36,096 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:30:36,101 INFO L793 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~nondet3, main_#t~mem1, main_~#a~0.base, main_~#a~0.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4192;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_~#a~0.base, main_~#a~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true; 10#L11true SUMMARY for call write~int(main_#t~nondet0, main_~#a~0.base, main_~#a~0.offset + 8, 4); srcloc: L11 8#L11-1true havoc main_#t~nondet0; 6#L13-4true [2018-11-10 13:30:36,101 INFO L795 eck$LassoCheckResult]: Loop: 6#L13-4true assume true; 12#L13-1true SUMMARY for call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 8, 4); srcloc: L13-1 11#L13-2true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1; 17#L14true SUMMARY for call main_#t~mem2 := read~int(main_~#a~0.base, main_~#a~0.offset + 8, 4); srcloc: L14 15#L14-1true SUMMARY for call write~int(main_#t~mem2 - 1, main_~#a~0.base, main_~#a~0.offset + 8, 4); srcloc: L14-1 13#L14-2true havoc main_#t~mem2; 3#L15true SUMMARY for call write~int(main_#t~nondet3, main_~#a~0.base, main_~#a~0.offset + 8, 4); srcloc: L15 18#L15-1true havoc main_#t~nondet3; 6#L13-4true [2018-11-10 13:30:36,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:36,105 INFO L82 PathProgramCache]: Analyzing trace with hash 925540, now seen corresponding path program 1 times [2018-11-10 13:30:36,106 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:36,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:36,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:36,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:36,193 INFO L82 PathProgramCache]: Analyzing trace with hash -20033498, now seen corresponding path program 1 times [2018-11-10 13:30:36,193 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:36,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:36,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:36,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:30:36,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1329308535, now seen corresponding path program 1 times [2018-11-10 13:30:36,206 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 13:30:36,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 13:30:36,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:30:36,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:30:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:30:36,428 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:36,429 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:36,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 01:30:36 BoogieIcfgContainer [2018-11-10 13:30:36,438 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 13:30:36,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:30:36,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:30:36,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:30:36,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:30:36" (3/4) ... [2018-11-10 13:30:36,443 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 13:30:36,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51a064a1-8dd0-416f-ab1d-adb7f3c6730a/bin-2019/uautomizer/witness.graphml [2018-11-10 13:30:36,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:30:36,475 INFO L168 Benchmark]: Toolchain (without parser) took 861.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,477 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:36,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:30:36,478 INFO L168 Benchmark]: Boogie Preprocessor took 16.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,478 INFO L168 Benchmark]: RCFGBuilder took 216.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,479 INFO L168 Benchmark]: BuchiAutomizer took 425.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,479 INFO L168 Benchmark]: Witness Printer took 35.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:30:36,481 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.58 ms. Allocated memory is still 1.0 GB. Free memory is still 942.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.00 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 216.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 425.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 11.5 GB. * Witness Printer took 35.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * 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. [2018-11-10 13:30:36,486 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:36,486 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:36,487 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 13:30:36,487 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled 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@5b7f8130=5904, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@59203606=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@732c0d5b=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e62eab3=0, NULL=4192, \result=0, NULL=0, a=0, NULL=3, a=3} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 13]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L9] CALL int a[1048]; [L9] RET int a[1048]; [L11] FCALL a[2] = __VERIFIER_nondet_int() Loop: [L13] EXPR, FCALL a[2] [L13] COND TRUE a[2] >= 0 [L14] EXPR, FCALL a[2] [L14] FCALL a[2] = a[2] - 1 [L15] FCALL a[1+1] = __VERIFIER_nondet_int() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...