./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/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 af3278c98ac8c4177c1c28bf2b1e6c4df09cf756 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:31:41,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:31:41,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:31:41,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:31:41,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:31:41,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:31:41,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:31:41,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:31:41,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:31:41,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:31:41,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:31:41,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:31:41,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:31:41,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:31:41,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:31:41,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:31:41,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:31:41,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:31:41,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:31:41,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:31:41,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:31:41,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:31:41,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:31:41,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:31:41,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:31:41,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:31:41,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:31:41,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:31:41,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:31:41,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:31:41,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:31:41,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:31:41,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:31:41,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:31:41,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:31:41,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:31:41,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:31:41,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:31:41,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:31:41,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:31:41,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:31:41,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:31:41,394 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:31:41,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:31:41,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:31:41,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:31:41,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:31:41,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:31:41,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:31:41,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:31:41,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:31:41,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:31:41,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:31:41,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:31:41,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:31:41,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:31:41,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:31:41,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:31:41,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:31:41,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:31:41,406 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:31:41,406 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:31:41,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:31:41,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:31:41,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:31:41,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:31:41,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:31:41,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:31:41,408 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:31:41,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:31:41,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:31:41,409 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_763c0e9f-5a26-439e-80b0-fe892f6f28e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af3278c98ac8c4177c1c28bf2b1e6c4df09cf756 [2020-12-01 16:31:41,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:31:41,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:31:41,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:31:41,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:31:41,840 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:31:41,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2020-12-01 16:31:41,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/data/1e32b6572/995431e1a2774a94bf703eb494c35618/FLAG31c2d35f6 [2020-12-01 16:31:42,679 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:31:42,680 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2020-12-01 16:31:42,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/data/1e32b6572/995431e1a2774a94bf703eb494c35618/FLAG31c2d35f6 [2020-12-01 16:31:42,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/data/1e32b6572/995431e1a2774a94bf703eb494c35618 [2020-12-01 16:31:42,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:31:42,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:31:43,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:43,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:31:43,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:31:43,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:42" (1/1) ... [2020-12-01 16:31:43,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f395f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43, skipping insertion in model container [2020-12-01 16:31:43,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:31:42" (1/1) ... [2020-12-01 16:31:43,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:31:43,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:31:43,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:43,309 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:31:43,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:31:43,366 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:31:43,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43 WrapperNode [2020-12-01 16:31:43,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:31:43,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:31:43,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:31:43,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:31:43,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:31:43,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:31:43,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:31:43,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... [2020-12-01 16:31:43,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:31:43,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:31:43,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:31:43,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:31:43,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:31:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/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 [2020-12-01 16:31:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:31:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:31:43,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:31:43,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:31:43,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:31:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:31:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-12-01 16:31:43,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-12-01 16:31:43,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:31:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:31:44,413 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:31:44,413 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-01 16:31:44,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44 BoogieIcfgContainer [2020-12-01 16:31:44,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:31:44,418 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:31:44,418 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:31:44,433 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:31:44,434 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (1/1) ... [2020-12-01 16:31:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:31:44,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-12-01 16:31:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-12-01 16:31:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:31:44,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:31:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2020-12-01 16:31:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-12-01 16:31:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:31:44,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:31:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2020-12-01 16:31:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-12-01 16:31:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:31:45,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:31:45,254 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:31:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:31:45,341 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:31:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:31:45,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:31:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:31:45,571 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:31:45,728 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-12-01 16:31:45,758 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,760 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,763 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:31:45 ImpRootNode [2020-12-01 16:31:45,807 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:31:45,808 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:31:45,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:31:45,808 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:31:45,809 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:31:44" (3/4) ... [2020-12-01 16:31:45,812 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:31:45,814 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,815 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,816 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-12-01 16:31:45,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_763c0e9f-5a26-439e-80b0-fe892f6f28e6/bin/ukojak/witness.graphml [2020-12-01 16:31:45,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:31:45,908 INFO L168 Benchmark]: Toolchain (without parser) took 2916.56 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 54.5 MB in the beginning and 65.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:45,909 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 86.0 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:45,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.56 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 54.4 MB in the beginning and 86.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:45,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.67 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:45,917 INFO L168 Benchmark]: Boogie Preprocessor took 80.09 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:45,918 INFO L168 Benchmark]: RCFGBuilder took 907.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 87.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:45,919 INFO L168 Benchmark]: CodeCheck took 1389.06 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 67.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:45,919 INFO L168 Benchmark]: Witness Printer took 86.25 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 65.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:45,923 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, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 44 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 38 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 550 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] struct slot *tmp_slot; [L43] int used_tmp_slot = 0; [L44] int freed_tmp_slot = 1; [L75] struct hotplug_slot *hp_slot_ptr; [L77] struct bus_info *bus_info_ptr1; [L78] int rc; VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L80] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L49] return calloc(1, size); [L80] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L80] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L81] COND FALSE !(!hp_slot_ptr) [L85] hp_slot_ptr->b = 5 VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L87] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L49] return calloc(1, size); [L87] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [freed_tmp_slot=1, tmp_slot={0:0}, used_tmp_slot=0] [L87] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L89] COND FALSE !(!tmp_slot) [L94] used_tmp_slot = 0 [L95] freed_tmp_slot = 0 [L97] tmp_slot->a = 2 [L98] tmp_slot->b = 3 [L58] COND TRUE __VERIFIER_nondet_int() [L59] return 0; VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L100] bus_info_ptr1 = ibmphp_find_same_bus_num() [L101] COND TRUE !bus_info_ptr1 [L102] rc = -3 VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L129] hp_slot_ptr->private [L52] COND FALSE !(p!=0 && p==tmp_slot) [L134] return rc; VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L139] COND TRUE !used_tmp_slot VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L140] (freed_tmp_slot) ? (0) : __blast_assert () VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L3] __assert_fail("0", "rule57_ebda_blast_2.i", 3, "reach_error") VAL [freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 86.0 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.56 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 54.4 MB in the beginning and 86.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.67 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.09 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 83.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 907.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 87.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * CodeCheck took 1389.06 ms. Allocated memory is still 111.1 MB. Free memory was 87.0 MB in the beginning and 67.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * Witness Printer took 86.25 ms. Allocated memory is still 111.1 MB. Free memory was 67.9 MB in the beginning and 65.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! Received shutdown request...