./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.pp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/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_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/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-aa41828 [2018-11-22 23:14:07,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:14:07,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:14:07,041 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:14:07,041 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:14:07,042 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:14:07,043 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:14:07,044 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:14:07,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:14:07,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:14:07,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:14:07,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:14:07,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:14:07,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:14:07,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:14:07,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:14:07,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:14:07,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:14:07,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:14:07,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:14:07,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:14:07,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:14:07,058 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:14:07,058 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:14:07,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:14:07,059 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:14:07,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:14:07,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:14:07,061 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:14:07,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:14:07,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:14:07,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:14:07,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:14:07,063 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:14:07,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:14:07,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:14:07,064 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-22 23:14:07,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:14:07,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:14:07,075 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:14:07,075 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:14:07,076 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:14:07,076 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:14:07,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:14:07,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:14:07,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:14:07,077 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:14:07,077 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:14:07,078 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:14:07,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:14:07,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:14:07,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:14:07,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:14:07,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:14:07,079 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:14:07,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:14:07,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:14:07,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:14:07,079 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_cd8cb9b4-bde9-44d8-b216-925c33b35965/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 [2018-11-22 23:14:07,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:14:07,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:14:07,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:14:07,115 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:14:07,115 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:14:07,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-22 23:14:07,154 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/data/8ef245fd3/7b5e09f33f4743e982f219d14ba11350/FLAG66c3bef4a [2018-11-22 23:14:07,627 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:14:07,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-22 23:14:07,647 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/data/8ef245fd3/7b5e09f33f4743e982f219d14ba11350/FLAG66c3bef4a [2018-11-22 23:14:07,920 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/data/8ef245fd3/7b5e09f33f4743e982f219d14ba11350 [2018-11-22 23:14:07,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:14:07,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:14:07,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:14:07,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:14:07,927 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:14:07,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:07" (1/1) ... [2018-11-22 23:14:07,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5d0a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:07, skipping insertion in model container [2018-11-22 23:14:07,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:14:07" (1/1) ... [2018-11-22 23:14:07,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:14:07,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:14:08,406 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:14:08,557 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:14:08,655 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:14:08,671 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:14:08,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08 WrapperNode [2018-11-22 23:14:08,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:14:08,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:14:08,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:14:08,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:14:08,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:14:08,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:14:08,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:14:08,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:14:08,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... [2018-11-22 23:14:08,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:14:08,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:14:08,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:14:08,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:14:08,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:14:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/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 [2018-11-22 23:14:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 23:14:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2018-11-22 23:14:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:14:08,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:14:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-22 23:14:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-22 23:14:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-22 23:14:08,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-22 23:14:08,937 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 23:14:08,937 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 23:14:09,287 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:14:09,288 INFO L280 CfgBuilder]: Removed 20 assue(true) statements. [2018-11-22 23:14:09,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:09 BoogieIcfgContainer [2018-11-22 23:14:09,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:14:09,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:14:09,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:14:09,299 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:14:09,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:09" (1/1) ... [2018-11-22 23:14:09,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:14:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-11-22 23:14:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-11-22 23:14:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 23:14:09,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:09,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-11-22 23:14:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-11-22 23:14:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 23:14:09,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2018-11-22 23:14:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2018-11-22 23:14:09,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 23:14:09,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-11-22 23:14:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-11-22 23:14:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:14:09,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2018-11-22 23:14:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-11-22 23:14:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-22 23:14:09,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-11-22 23:14:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-11-22 23:14:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 23:14:09,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2018-11-22 23:14:09,777 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2018-11-22 23:14:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:14:09,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2018-11-22 23:14:09,969 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2018-11-22 23:14:09,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:14:09,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2018-11-22 23:14:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2018-11-22 23:14:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 23:14:10,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:14:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2018-11-22 23:14:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2018-11-22 23:14:11,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 23:14:11,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:14:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:14:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:14:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:14:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 24 states and 31 transitions. [2018-11-22 23:14:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-11-22 23:14:12,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:14:12,216 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-22 23:14:12,226 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:14:12,315 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,317 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:14:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:14:12 ImpRootNode [2018-11-22 23:14:12,318 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:14:12,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:14:12,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:14:12,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:14:12,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:14:09" (3/4) ... [2018-11-22 23:14:12,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:14:12,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2018-11-22 23:14:12,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-11-22 23:14:12,331 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:14:12,332 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-22 23:14:12,332 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:14:12,379 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd8cb9b4-bde9-44d8-b216-925c33b35965/bin-2019/ukojak/witness.graphml [2018-11-22 23:14:12,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:14:12,380 INFO L168 Benchmark]: Toolchain (without parser) took 4457.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.7 MB in the beginning and 888.8 MB in the end (delta: 56.9 MB). Peak memory consumption was 218.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,381 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:14:12,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,382 INFO L168 Benchmark]: Boogie Preprocessor took 26.90 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. [2018-11-22 23:14:12,382 INFO L168 Benchmark]: RCFGBuilder took 547.99 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,383 INFO L168 Benchmark]: CodeCheck took 3029.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 175.0 MB). Peak memory consumption was 175.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,383 INFO L168 Benchmark]: Witness Printer took 61.64 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 888.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:14:12,385 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, 44 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7744 SDtfs, 6686 SDslu, 10732 SDs, 0 SdLazy, 2070 SolverSat, 1700 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1141 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 8744 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: 4992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5090]: 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 748.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -173.9 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.90 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. * RCFGBuilder took 547.99 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: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3029.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 895.9 MB in the end (delta: 175.0 MB). Peak memory consumption was 175.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.64 ms. Allocated memory is still 1.2 GB. Free memory was 895.9 MB in the beginning and 888.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...