./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/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.pp.i -s /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/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 a89a64f5289ba9e048bf8d3e685f4757a2b71072 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:09:12,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:09:12,335 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:09:12,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:09:12,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:09:12,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:09:12,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:09:12,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:09:12,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:09:12,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:09:12,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:09:12,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:09:12,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:09:12,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:09:12,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:09:12,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:09:12,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:09:12,351 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:09:12,352 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:09:12,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:09:12,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:09:12,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:09:12,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:09:12,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:09:12,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:09:12,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:09:12,358 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:09:12,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:09:12,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:09:12,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:09:12,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:09:12,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:09:12,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:09:12,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:09:12,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:09:12,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:09:12,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 04:09:12,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:09:12,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:09:12,372 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:09:12,372 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:09:12,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:09:12,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:09:12,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:09:12,373 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:09:12,373 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:09:12,373 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:09:12,373 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:09:12,374 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:09:12,374 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:09:12,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:09:12,375 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:09:12,375 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 04:09:12,376 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_651cfded-ed54-4747-babe-eeba08ff20c5/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 -> a89a64f5289ba9e048bf8d3e685f4757a2b71072 [2018-11-10 04:09:12,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:09:12,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:09:12,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:09:12,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:09:12,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:09:12,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-10 04:09:12,445 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/data/66657541b/17c2ffb9d9124f4e896af666301beb2b/FLAGe8614f5b2 [2018-11-10 04:09:12,981 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:09:12,982 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-10 04:09:12,997 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/data/66657541b/17c2ffb9d9124f4e896af666301beb2b/FLAGe8614f5b2 [2018-11-10 04:09:13,006 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/data/66657541b/17c2ffb9d9124f4e896af666301beb2b [2018-11-10 04:09:13,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:09:13,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:09:13,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:09:13,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:09:13,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:09:13,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac630d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13, skipping insertion in model container [2018-11-10 04:09:13,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:09:13,069 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:09:13,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:09:13,544 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:09:13,790 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:09:13,809 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:09:13,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13 WrapperNode [2018-11-10 04:09:13,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:09:13,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:09:13,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:09:13,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:09:13,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:09:13,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:09:13,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:09:13,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:09:13,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... [2018-11-10 04:09:13,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:09:13,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:09:13,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:09:13,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:09:13,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:09:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/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 [2018-11-10 04:09:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 04:09:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 04:09:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 04:09:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:09:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:09:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-10 04:09:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-10 04:09:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-10 04:09:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-10 04:09:14,056 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 04:09:14,056 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 04:09:14,553 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:09:14,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:09:14 BoogieIcfgContainer [2018-11-10 04:09:14,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:09:14,554 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:09:14,554 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:09:14,564 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:09:14,564 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:09:14" (1/1) ... [2018-11-10 04:09:14,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:09:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2018-11-10 04:09:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2018-11-10 04:09:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 04:09:14,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:09:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-11-10 04:09:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-11-10 04:09:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:09:14,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:09:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-11-10 04:09:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-11-10 04:09:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 04:09:14,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:09:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2018-11-10 04:09:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2018-11-10 04:09:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 04:09:14,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:09:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-11-10 04:09:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-11-10 04:09:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:09:14,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:09:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:15,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2018-11-10 04:09:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2018-11-10 04:09:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 04:09:15,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:09:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2018-11-10 04:09:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2018-11-10 04:09:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:09:15,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:09:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-11-10 04:09:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-11-10 04:09:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:09:15,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:15,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 04:09:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2018-11-10 04:09:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2018-11-10 04:09:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 04:09:15,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:09:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2018-11-10 04:09:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2018-11-10 04:09:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:09:16,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:09:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:09:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:09:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:09:17,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 25 states and 32 transitions. [2018-11-10 04:09:17,150 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-11-10 04:09:17,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:09:17,151 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 04:09:17,158 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:09:17,244 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,246 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,246 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,246 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,246 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,246 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,247 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,247 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,247 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:09:17,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:09:17 ImpRootNode [2018-11-10 04:09:17,247 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:09:17,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:09:17,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:09:17,248 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:09:17,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:09:14" (3/4) ... [2018-11-10 04:09:17,250 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:09:17,254 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2018-11-10 04:09:17,254 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-11-10 04:09:17,258 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-10 04:09:17,258 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 04:09:17,258 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 04:09:17,258 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 04:09:17,308 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_651cfded-ed54-4747-babe-eeba08ff20c5/bin-2019/ukojak/witness.graphml [2018-11-10 04:09:17,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:09:17,309 INFO L168 Benchmark]: Toolchain (without parser) took 4300.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 254.8 MB). Free memory was 954.3 MB in the beginning and 945.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 263.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,310 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:09:17,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 133.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:09:17,310 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,311 INFO L168 Benchmark]: RCFGBuilder took 687.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,311 INFO L168 Benchmark]: CodeCheck took 2693.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 951.4 MB in the end (delta: 86.4 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,311 INFO L168 Benchmark]: Witness Printer took 60.78 ms. Allocated memory is still 1.3 GB. Free memory was 951.4 MB in the beginning and 945.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:09:17,313 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, 67 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9296 SDtfs, 8174 SDslu, 12524 SDs, 0 SdLazy, 2798 SolverSat, 1996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1208 SyntacticMatches, 20 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 9535 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 14/14 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: 5012]: 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: 5086]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4955]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4971]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4955]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 799.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 951.6 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 133.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.16 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 687.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 2693.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 951.4 MB in the end (delta: 86.4 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.78 ms. Allocated memory is still 1.3 GB. Free memory was 951.4 MB in the beginning and 945.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...