./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.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_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/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 b4fbc36a28ccee76a98a185e0c5cc58738af3c30 .............................................................................................................................................................................................................................................................................................. 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 05:10:10,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:10:10,782 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:10:10,788 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:10:10,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:10:10,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:10:10,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:10:10,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:10:10,790 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:10:10,791 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:10:10,791 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:10:10,791 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:10:10,792 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:10:10,792 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:10:10,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:10:10,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:10:10,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:10:10,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:10:10,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:10:10,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:10:10,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:10:10,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:10:10,798 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:10:10,798 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:10:10,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:10:10,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:10:10,799 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:10:10,799 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:10:10,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:10:10,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:10:10,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:10:10,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:10:10,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:10:10,801 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:10:10,801 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:10:10,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:10:10,802 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 05:10:10,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:10:10,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:10:10,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:10:10,809 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 05:10:10,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:10:10,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:10:10,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:10:10,811 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:10:10,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:10:10,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 05:10:10,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:10:10,812 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:10:10,812 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_9b8d03f4-553b-478f-9706-88b5299922b1/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 -> b4fbc36a28ccee76a98a185e0c5cc58738af3c30 [2018-12-02 05:10:10,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:10:10,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:10:10,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:10:10,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:10:10,842 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:10:10,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/../../sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-12-02 05:10:10,885 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/data/43addee43/dcb1fb46966d4a7b8eea5f7f509660b8/FLAG83fc674f6 [2018-12-02 05:10:11,219 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:10:11,220 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/sv-benchmarks/c/array-examples/standard_sentinel_true-unreach-call_true-termination.i [2018-12-02 05:10:11,223 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/data/43addee43/dcb1fb46966d4a7b8eea5f7f509660b8/FLAG83fc674f6 [2018-12-02 05:10:11,631 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/data/43addee43/dcb1fb46966d4a7b8eea5f7f509660b8 [2018-12-02 05:10:11,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:10:11,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:10:11,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:10:11,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:10:11,637 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:10:11,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11, skipping insertion in model container [2018-12-02 05:10:11,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:10:11,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:10:11,751 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:10:11,754 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:10:11,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:10:11,779 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:10:11,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11 WrapperNode [2018-12-02 05:10:11,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:10:11,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:10:11,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:10:11,780 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:10:11,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:10:11,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:10:11,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:10:11,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:10:11,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:10:11,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:10:11,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:10:11,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:10:11,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/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 05:10:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:10:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:10:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:10:11,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:10:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:10:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:10:11,972 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:10:11,973 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 05:10:11,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:11 BoogieIcfgContainer [2018-12-02 05:10:11,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:10:11,973 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:10:11,973 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:10:11,981 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:10:11,981 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:11" (1/1) ... [2018-12-02 05:10:11,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:10:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-12-02 05:10:12,009 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-12-02 05:10:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 05:10:12,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:12,077 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 05:10:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-02 05:10:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-02 05:10:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 05:10:12,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:12,122 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 05:10:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-12-02 05:10:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-12-02 05:10:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 05:10:12,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:12,343 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 05:10:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-02 05:10:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-02 05:10:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 05:10:12,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:12,925 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 05:10:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2018-12-02 05:10:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2018-12-02 05:10:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 05:10:13,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:13,802 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 05:10:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2018-12-02 05:10:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2018-12-02 05:10:14,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 05:10:14,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:10:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:10:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:10:16,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:10:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-02 05:10:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-02 05:10:16,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:10:16,455 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-02 05:10:16,462 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 05:10:16,584 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 05:10:16,587 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-02 05:10:16,590 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,595 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,596 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,596 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:10:16 ImpRootNode [2018-12-02 05:10:16,597 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:10:16,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:10:16,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:10:16,598 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:10:16,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:11" (3/4) ... [2018-12-02 05:10:16,603 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:10:16,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 05:10:16,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:10:16,613 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:10:16,643 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b8d03f4-553b-478f-9706-88b5299922b1/bin-2019/ukojak/witness.graphml [2018-12-02 05:10:16,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:10:16,643 INFO L168 Benchmark]: Toolchain (without parser) took 5009.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -127.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,644 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 05:10:16,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.27 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:10:16,645 INFO L168 Benchmark]: Boogie Preprocessor took 43.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,645 INFO L168 Benchmark]: RCFGBuilder took 128.94 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,645 INFO L168 Benchmark]: CodeCheck took 4624.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.3 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,646 INFO L168 Benchmark]: Witness Printer took 45.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:10:16,647 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, 13 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 416 SDtfs, 242 SDslu, 128 SDs, 0 SdLazy, 1516 SolverSat, 450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 470 SyntacticMatches, 21 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3457 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 10271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/40 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: 3]: 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: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2018-12-02 05:10:16,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:10:16,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && i <= pos) && 1 < i) || ((((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && !(a + 4 * pos == 0)) && 0 <= pos) && i <= 1)) || (((marker == unknown-#memory_int-unknown[a][a + 4 * pos] && a == 0) && 0 <= pos) && i == 0) * 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 145.06 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.27 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 128.94 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 4624.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.3 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Witness Printer took 45.04 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: 5.4 MB). Peak memory consumption was 5.4 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...