./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/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 32bit --witnessprinter.graph.data.programhash 552d7607222e922b5dcd8b6310c7824da9489d41 .................................................................................................................................................................................................................................................................... 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 04:43:05,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:05,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:05,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:05,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:05,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:05,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:05,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:05,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:05,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:05,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:05,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:05,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:05,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:05,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:05,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:05,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:05,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:05,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:05,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:05,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:05,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:05,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:05,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:05,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:05,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:05,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:05,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:05,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:05,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:05,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:05,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:05,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:05,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:05,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:05,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:05,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:05,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:05,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:05,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:05,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:05,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:05,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:05,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:05,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:05,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:05,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:05,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:05,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:05,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:05,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:05,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:05,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:05,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:05,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:05,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:05,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:05,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:05,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:05,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:05,512 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:05,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:05,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:05,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:05,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:05,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:05,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:05,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:05,516 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:05,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:05,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:05,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 552d7607222e922b5dcd8b6310c7824da9489d41 [2020-11-28 04:43:05,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:05,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:05,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:05,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:05,855 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:05,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-28 04:43:05,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/data/38fc3ad0c/1a02f7ea835e434584831f168070519e/FLAG4da6e942d [2020-11-28 04:43:06,512 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:06,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2020-11-28 04:43:06,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/data/38fc3ad0c/1a02f7ea835e434584831f168070519e/FLAG4da6e942d [2020-11-28 04:43:06,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/data/38fc3ad0c/1a02f7ea835e434584831f168070519e [2020-11-28 04:43:06,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:06,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:06,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:06,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:06,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:06,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:06" (1/1) ... [2020-11-28 04:43:06,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6347feef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:06, skipping insertion in model container [2020-11-28 04:43:06,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:06" (1/1) ... [2020-11-28 04:43:06,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:06,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:07,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:07,139 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:07,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:07,180 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:07,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07 WrapperNode [2020-11-28 04:43:07,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:07,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:07,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:07,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:07,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:07,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:07,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:07,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:07,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:07,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:07,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:07,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:07,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/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 04:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:43:07,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-11-28 04:43:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-11-28 04:43:07,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:07,958 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:07,958 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-28 04:43:07,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:07 BoogieIcfgContainer [2020-11-28 04:43:07,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:07,961 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:07,961 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:07,974 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:07,974 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:07" (1/1) ... [2020-11-28 04:43:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2020-11-28 04:43:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-11-28 04:43:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:43:08,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,239 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 04:43:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2020-11-28 04:43:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2020-11-28 04:43:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:43:08,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:43:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-11-28 04:43:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-11-28 04:43:08,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:43:08,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:43:08,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2020-11-28 04:43:08,786 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-11-28 04:43:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:43:08,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:43:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2020-11-28 04:43:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-11-28 04:43:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:09,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,092 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:43:09,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-11-28 04:43:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 04:43:09,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:43:09,118 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-28 04:43:09,125 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:43:09,162 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:43:09,173 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:43:09,173 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:43:09,174 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-11-28 04:43:09,175 INFO L569 CodeCheckObserver]: Invariant with dag size 4 [2020-11-28 04:43:09,175 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:43:09,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:09 ImpRootNode [2020-11-28 04:43:09,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:09,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:09,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:09,177 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:09,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:07" (3/4) ... [2020-11-28 04:43:09,181 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:43:09,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2020-11-28 04:43:09,193 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2020-11-28 04:43:09,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-28 04:43:09,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:09,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:09,249 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6f2fbbf4-c3d9-490d-9b5e-f4c3925c4150/bin/ukojak/witness.graphml [2020-11-28 04:43:09,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:09,251 INFO L168 Benchmark]: Toolchain (without parser) took 2379.14 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 57.1 MB in the beginning and 78.8 MB in the end (delta: -21.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:09,251 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:09,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.79 ms. Allocated memory is still 88.1 MB. Free memory was 56.9 MB in the beginning and 63.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 61.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,253 INFO L168 Benchmark]: Boogie Preprocessor took 27.19 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 60.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,254 INFO L168 Benchmark]: RCFGBuilder took 708.21 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 60.4 MB in the beginning and 75.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,254 INFO L168 Benchmark]: CodeCheck took 1215.28 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 83.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,255 INFO L168 Benchmark]: Witness Printer took 72.16 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 78.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:09,257 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 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 460 SDtfs, 64 SDslu, 80 SDs, 0 SdLazy, 384 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 605 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 2493 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 20/20 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: !(kzalloc(sizeof(struct bus_info), 0) == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: !(bus_info_ptr1 == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: used_tmp_slot == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.79 ms. Allocated memory is still 88.1 MB. Free memory was 56.9 MB in the beginning and 63.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 88.1 MB. Free memory was 63.8 MB in the beginning and 61.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.19 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 60.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 708.21 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 60.4 MB in the beginning and 75.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1215.28 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 83.0 MB in the end (delta: -7.7 MB). Peak memory consumption was 42.8 MB. Max. memory is 16.1 GB. * Witness Printer took 72.16 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 78.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...