./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebbfaff6f87d2f170bbf62930cb63938c92c4b2b ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 10:40:20,227 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 10:40:20,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 10:40:20,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 10:40:20,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 10:40:20,234 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 10:40:20,235 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 10:40:20,236 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 10:40:20,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 10:40:20,237 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 10:40:20,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 10:40:20,238 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 10:40:20,238 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 10:40:20,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 10:40:20,239 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 10:40:20,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 10:40:20,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 10:40:20,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 10:40:20,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 10:40:20,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 10:40:20,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 10:40:20,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 10:40:20,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 10:40:20,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 10:40:20,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 10:40:20,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 10:40:20,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 10:40:20,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 10:40:20,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 10:40:20,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 10:40:20,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 10:40:20,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 10:40:20,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 10:40:20,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 10:40:20,248 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 10:40:20,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 10:40:20,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 10:40:20,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 10:40:20,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 10:40:20,256 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 10:40:20,256 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 10:40:20,256 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 10:40:20,256 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 10:40:20,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 10:40:20,257 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 10:40:20,258 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 10:40:20,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 10:40:20,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 10:40:20,258 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 10:40:20,259 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 10:40:20,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 10:40:20,259 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebbfaff6f87d2f170bbf62930cb63938c92c4b2b [2018-12-02 10:40:20,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 10:40:20,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 10:40:20,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 10:40:20,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 10:40:20,289 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 10:40:20,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i [2018-12-02 10:40:20,333 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/data/01a0b0163/74e7da54ec084cb38550f2a48ce25e4f/FLAGd5cabb2f6 [2018-12-02 10:40:20,655 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 10:40:20,655 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i [2018-12-02 10:40:20,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/data/01a0b0163/74e7da54ec084cb38550f2a48ce25e4f/FLAGd5cabb2f6 [2018-12-02 10:40:20,669 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/data/01a0b0163/74e7da54ec084cb38550f2a48ce25e4f [2018-12-02 10:40:20,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 10:40:20,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 10:40:20,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 10:40:20,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 10:40:20,674 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 10:40:20,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e48869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20, skipping insertion in model container [2018-12-02 10:40:20,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 10:40:20,698 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 10:40:20,841 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 10:40:20,847 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 10:40:20,903 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 10:40:20,923 INFO L195 MainTranslator]: Completed translation [2018-12-02 10:40:20,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20 WrapperNode [2018-12-02 10:40:20,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 10:40:20,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 10:40:20,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 10:40:20,924 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 10:40:20,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 10:40:20,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 10:40:20,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 10:40:20,949 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 10:40:20,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... [2018-12-02 10:40:20,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 10:40:20,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 10:40:20,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 10:40:20,965 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 10:40:20,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:40:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 10:40:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 10:40:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 10:40:21,214 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 10:40:21,214 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 10:40:21,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:21 BoogieIcfgContainer [2018-12-02 10:40:21,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 10:40:21,215 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 10:40:21,215 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 10:40:21,221 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 10:40:21,221 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:21" (1/1) ... [2018-12-02 10:40:21,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 10:40:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:21,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-02 10:40:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-02 10:40:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 10:40:21,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-02 10:40:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-02 10:40:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 10:40:21,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-02 10:40:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-02 10:40:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 10:40:21,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:21,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:21,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-12-02 10:40:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-12-02 10:40:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 10:40:21,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:22,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 26 states and 54 transitions. [2018-12-02 10:40:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 54 transitions. [2018-12-02 10:40:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 10:40:22,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 10:40:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 30 states and 60 transitions. [2018-12-02 10:40:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 60 transitions. [2018-12-02 10:40:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 10:40:22,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 10:40:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-12-02 10:40:22,671 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-12-02 10:40:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 10:40:22,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:22,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-12-02 10:40:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-12-02 10:40:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 10:40:23,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-12-02 10:40:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-12-02 10:40:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 10:40:26,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 10:40:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2018-12-02 10:40:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2018-12-02 10:40:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 10:40:27,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 10:40:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 10:40:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 10:40:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 10:40:27,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 30 states and 68 transitions. [2018-12-02 10:40:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 68 transitions. [2018-12-02 10:40:27,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 10:40:27,317 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-02 10:40:27,323 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 10:40:27,467 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 10:40:27,470 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,474 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-02 10:40:27,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:40:27 ImpRootNode [2018-12-02 10:40:27,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 10:40:27,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 10:40:27,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 10:40:27,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 10:40:27,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:40:21" (3/4) ... [2018-12-02 10:40:27,478 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 10:40:27,484 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 10:40:27,484 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 10:40:27,484 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 10:40:27,511 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c1c0a07a-0be0-4a14-a6d0-1438d93be290/bin-2019/ukojak/witness.graphml [2018-12-02 10:40:27,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 10:40:27,512 INFO L168 Benchmark]: Toolchain (without parser) took 6840.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 10:40:27,512 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. [2018-12-02 10:40:27,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,513 INFO L168 Benchmark]: Boogie Preprocessor took 15.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,513 INFO L168 Benchmark]: RCFGBuilder took 250.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,513 INFO L168 Benchmark]: CodeCheck took 6260.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -75.2 MB). Peak memory consumption was 269.3 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,514 INFO L168 Benchmark]: Witness Printer took 35.51 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 10:40:27,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8192 SDtfs, 4544 SDslu, 5152 SDs, 0 SdLazy, 30384 SolverSat, 5448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1188 SyntacticMatches, 28 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5571 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 22410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 17/54 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 590]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant [2018-12-02 10:40:27,516 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,516 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(m == list) && !(m == head)) && \valid[m] == 1) && 0 == unknown-#memory_int-unknown[m][m] - InvariantResult [Line: 584]: Loop Invariant [2018-12-02 10:40:27,516 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 10:40:27,517 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[m][m] <= 99 || 100 == unknown-#memory_int-unknown[m][m] * 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 251.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 6260.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -75.2 MB). Peak memory consumption was 269.3 MB. Max. memory is 11.5 GB. * Witness Printer took 35.51 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...