./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ff7388905a87f8c37cbb4225dfed3880657ea2f .................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:32:40,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:40,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:40,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:40,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:40,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:40,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:40,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:40,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:40,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:40,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:40,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:40,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:40,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:40,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:40,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:40,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:40,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:40,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:40,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:40,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:40,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:40,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:40,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:40,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:40,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:40,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:40,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:40,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:40,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:40,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:40,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:40,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:40,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:40,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:40,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:40,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:40,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:40,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:40,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:40,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:40,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-28 04:32:40,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:40,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:40,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:40,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:40,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:40,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:40,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:40,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:40,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:40,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:40,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:40,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:40,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:40,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:40,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:40,992 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:40,992 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:40,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:40,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:40,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:40,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:40,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:40,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:40,994 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:40,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:40,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:40,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:32:40,995 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ff7388905a87f8c37cbb4225dfed3880657ea2f [2020-11-28 04:32:41,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:41,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:41,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:41,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:41,333 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:41,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-11-28 04:32:41,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/data/3150c7470/42acbf0778344020b2430f89acbe4a50/FLAG35549a55f [2020-11-28 04:32:42,159 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:42,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-11-28 04:32:42,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/data/3150c7470/42acbf0778344020b2430f89acbe4a50/FLAG35549a55f [2020-11-28 04:32:42,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/data/3150c7470/42acbf0778344020b2430f89acbe4a50 [2020-11-28 04:32:42,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:42,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:42,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:42,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:42,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:42,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:42,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32718c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42, skipping insertion in model container [2020-11-28 04:32:42,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:42,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:42,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:43,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:43,049 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:43,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:43,310 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:43,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43 WrapperNode [2020-11-28 04:32:43,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:43,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:43,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:43,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:43,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:43,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:43,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:43,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:43,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... [2020-11-28 04:32:43,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:43,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:43,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:43,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:43,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/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 [2020-11-28 04:32:43,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:32:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-11-28 04:32:43,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-11-28 04:32:43,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-11-28 04:32:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-11-28 04:32:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 04:32:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:43,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:43,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:43,808 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 04:32:44,090 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-11-28 04:32:44,090 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-11-28 04:32:44,368 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:44,369 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-28 04:32:44,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44 BoogieIcfgContainer [2020-11-28 04:32:44,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:44,373 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:44,373 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:44,382 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:44,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44" (1/1) ... [2020-11-28 04:32:44,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:44,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2020-11-28 04:32:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 04:32:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:32:44,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2020-11-28 04:32:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-11-28 04:32:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:32:44,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2020-11-28 04:32:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2020-11-28 04:32:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:32:44,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:44,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2020-11-28 04:32:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-11-28 04:32:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:32:44,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2020-11-28 04:32:44,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2020-11-28 04:32:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:32:44,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2020-11-28 04:32:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-11-28 04:32:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:32:45,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 35 states and 49 transitions. [2020-11-28 04:32:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-28 04:32:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:45,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2020-11-28 04:32:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2020-11-28 04:32:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:45,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2020-11-28 04:32:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-11-28 04:32:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:45,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2020-11-28 04:32:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2020-11-28 04:32:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:32:47,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 23 states and 29 transitions. [2020-11-28 04:32:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2020-11-28 04:32:48,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:32:48,185 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2020-11-28 04:32:48,191 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:32:48,389 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,394 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,394 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,395 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,395 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,395 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:32:48,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:48 ImpRootNode [2020-11-28 04:32:48,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:48,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:48,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:48,400 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:48,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44" (3/4) ... [2020-11-28 04:32:48,409 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:32:48,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2020-11-28 04:32:48,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2020-11-28 04:32:48,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2020-11-28 04:32:48,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:32:48,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 04:32:48,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:32:48,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a843753d-d043-468e-b607-3f25b84d7f7f/bin/ukojak/witness.graphml [2020-11-28 04:32:48,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:48,522 INFO L168 Benchmark]: Toolchain (without parser) took 6293.89 ms. Allocated memory was 102.8 MB in the beginning and 199.2 MB in the end (delta: 96.5 MB). Free memory was 78.6 MB in the beginning and 122.3 MB in the end (delta: -43.7 MB). Peak memory consumption was 52.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,523 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 24.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:48,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.70 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 45.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.48 ms. Allocated memory is still 102.8 MB. Free memory was 45.8 MB in the beginning and 43.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,525 INFO L168 Benchmark]: Boogie Preprocessor took 94.73 ms. Allocated memory is still 102.8 MB. Free memory was 43.2 MB in the beginning and 66.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,525 INFO L168 Benchmark]: RCFGBuilder took 879.95 ms. Allocated memory was 102.8 MB in the beginning and 165.7 MB in the end (delta: 62.9 MB). Free memory was 66.1 MB in the beginning and 106.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,526 INFO L168 Benchmark]: CodeCheck took 4025.34 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 106.7 MB in the beginning and 127.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,526 INFO L168 Benchmark]: Witness Printer took 121.32 ms. Allocated memory is still 199.2 MB. Free memory was 127.6 MB in the beginning and 122.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:48,529 INFO L339 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, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8512 SDtfs, 6432 SDslu, 10480 SDs, 0 SdLazy, 2098 SolverSat, 1706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 1233 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 10479 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 4941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5060]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4956]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory was 59.9 MB in the beginning and 59.9 MB in the end (delta: 24.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1083.70 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 45.8 MB in the end (delta: 32.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.48 ms. Allocated memory is still 102.8 MB. Free memory was 45.8 MB in the beginning and 43.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.73 ms. Allocated memory is still 102.8 MB. Free memory was 43.2 MB in the beginning and 66.1 MB in the end (delta: -22.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 879.95 ms. Allocated memory was 102.8 MB in the beginning and 165.7 MB in the end (delta: 62.9 MB). Free memory was 66.1 MB in the beginning and 106.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * CodeCheck took 4025.34 ms. Allocated memory was 165.7 MB in the beginning and 199.2 MB in the end (delta: 33.6 MB). Free memory was 106.7 MB in the beginning and 127.6 MB in the end (delta: -20.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Witness Printer took 121.32 ms. Allocated memory is still 199.2 MB. Free memory was 127.6 MB in the beginning and 122.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...