./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/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 64bit --witnessprinter.graph.data.programhash 99f06babb1e84af30f1e79717563b6d2ea291b36 ............................................................................................................................................................................................................................................................................................................... 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 04:08:39,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:08:39,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:08:39,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:08:39,741 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:08:39,741 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:08:39,742 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:08:39,743 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:08:39,744 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:08:39,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:08:39,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:08:39,745 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:08:39,745 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:08:39,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:08:39,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:08:39,746 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:08:39,747 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:08:39,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:08:39,749 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:08:39,749 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:08:39,750 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:08:39,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:08:39,751 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:08:39,751 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:08:39,752 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:08:39,752 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:08:39,753 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:08:39,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:08:39,753 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:08:39,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:08:39,754 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:08:39,754 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:08:39,754 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:08:39,755 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:08:39,755 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:08:39,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:08:39,756 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-02 04:08:39,762 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:08:39,762 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:08:39,763 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:08:39,763 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 04:08:39,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:08:39,764 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:08:39,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:08:39,765 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:08:39,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:08:39,765 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 04:08:39,765 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 04:08:39,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:08:39,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:08:39,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 04:08:39,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:08:39,766 INFO L133 SettingsManager]: * To the following directory=dump/ 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_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f06babb1e84af30f1e79717563b6d2ea291b36 [2018-12-02 04:08:39,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:08:39,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:08:39,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:08:39,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:08:39,794 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:08:39,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i [2018-12-02 04:08:39,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/data/70b4ad939/270642323d8645b7a1827458ebd7eef0/FLAGbbe01ea47 [2018-12-02 04:08:40,282 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:08:40,282 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i [2018-12-02 04:08:40,294 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/data/70b4ad939/270642323d8645b7a1827458ebd7eef0/FLAGbbe01ea47 [2018-12-02 04:08:40,303 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/data/70b4ad939/270642323d8645b7a1827458ebd7eef0 [2018-12-02 04:08:40,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:08:40,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:08:40,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:08:40,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:08:40,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:08:40,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af4538d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40, skipping insertion in model container [2018-12-02 04:08:40,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:08:40,348 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:08:40,717 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:08:40,725 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:08:40,802 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:08:40,816 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:08:40,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40 WrapperNode [2018-12-02 04:08:40,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:08:40,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:08:40,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:08:40,817 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:08:40,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:08:40,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:08:40,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:08:40,846 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:08:40,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... [2018-12-02 04:08:40,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:08:40,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:08:40,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:08:40,865 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:08:40,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:08:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/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 04:08:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 04:08:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:08:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 04:08:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:08:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:08:40,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:08:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-12-02 04:08:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-12-02 04:08:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-02 04:08:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-02 04:08:40,989 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-02 04:08:40,989 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 04:08:41,240 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:08:41,240 INFO L280 CfgBuilder]: Removed 28 assue(true) statements. [2018-12-02 04:08:41,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:41 BoogieIcfgContainer [2018-12-02 04:08:41,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:08:41,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 04:08:41,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 04:08:41,249 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 04:08:41,249 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:41" (1/1) ... [2018-12-02 04:08:41,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:08:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-12-02 04:08:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-12-02 04:08:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 04:08:41,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,392 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 04:08:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-12-02 04:08:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-12-02 04:08:41,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 04:08:41,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,448 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 04:08:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2018-12-02 04:08:41,452 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-12-02 04:08:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 04:08:41,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-12-02 04:08:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-12-02 04:08:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 04:08:41,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2018-12-02 04:08:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-12-02 04:08:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 04:08:41,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-12-02 04:08:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-12-02 04:08:41,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 04:08:41,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,586 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 04:08:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2018-12-02 04:08:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2018-12-02 04:08:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 04:08:41,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2018-12-02 04:08:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2018-12-02 04:08:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 04:08:41,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-12-02 04:08:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-12-02 04:08:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 04:08:42,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 04:08:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:08:42,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 04:08:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 04:08:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 24 states and 30 transitions. [2018-12-02 04:08:43,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-12-02 04:08:43,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:08:43,062 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-02 04:08:43,069 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 04:08:43,188 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,190 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,190 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 04:08:43,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:08:43 ImpRootNode [2018-12-02 04:08:43,192 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 04:08:43,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:08:43,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:08:43,192 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:08:43,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:08:41" (3/4) ... [2018-12-02 04:08:43,195 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:08:43,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2018-12-02 04:08:43,200 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-12-02 04:08:43,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-12-02 04:08:43,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 04:08:43,205 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:08:43,250 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b48b1f27-69c2-4e61-a1b7-7e16b8d8f771/bin-2019/ukojak/witness.graphml [2018-12-02 04:08:43,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:08:43,251 INFO L168 Benchmark]: Toolchain (without parser) took 2945.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.9 MB in the beginning and 904.7 MB in the end (delta: 36.2 MB). Peak memory consumption was 148.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,252 INFO L168 Benchmark]: CDTParser took 0.10 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 04:08:43,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:08:43,252 INFO L168 Benchmark]: Boogie Preprocessor took 18.03 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,252 INFO L168 Benchmark]: RCFGBuilder took 376.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,253 INFO L168 Benchmark]: CodeCheck took 1950.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 911.7 MB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,253 INFO L168 Benchmark]: Witness Printer took 58.59 ms. Allocated memory is still 1.1 GB. Free memory was 911.7 MB in the beginning and 904.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:08:43,254 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 3 procedures, 47 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3968 SDtfs, 3424 SDslu, 5424 SDs, 0 SdLazy, 1298 SolverSat, 938 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1109 GetRequests, 1052 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 9279 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 12/12 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: 4984]: 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: 4930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5049]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5052]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4965]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 510.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -123.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.03 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1950.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 911.7 MB in the end (delta: 97.4 MB). Peak memory consumption was 97.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.59 ms. Allocated memory is still 1.1 GB. Free memory was 911.7 MB in the beginning and 904.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...