./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84a634627af2442e81d46eafc5c0f2aae0363700 ............................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-11-10 04:27:57,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:27:57,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:27:57,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:27:57,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:27:57,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:27:57,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:27:57,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:27:57,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:27:57,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:27:57,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:27:57,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:27:57,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:27:57,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:27:57,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:27:57,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:27:57,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:27:57,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:27:57,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:27:57,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:27:57,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:27:57,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:27:57,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:27:57,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:27:57,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:27:57,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:27:57,157 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:27:57,158 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:27:57,158 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:27:57,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:27:57,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:27:57,160 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:27:57,160 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:27:57,160 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:27:57,161 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:27:57,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:27:57,162 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:27:57,174 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:27:57,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:27:57,175 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:27:57,175 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:27:57,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:27:57,176 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:27:57,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:27:57,176 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:27:57,176 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:27:57,177 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:27:57,178 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:27:57,178 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:27:57,178 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:27:57,178 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:27:57,179 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:27:57,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:27:57,179 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84a634627af2442e81d46eafc5c0f2aae0363700 [2018-11-10 04:27:57,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:27:57,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:27:57,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:27:57,217 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:27:57,218 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:27:57,218 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-11-10 04:27:57,260 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/data/7a95a464f/38c512cd6f3e43cb84f5de78968a5f7e/FLAG30f81ae1f [2018-11-10 04:27:57,608 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:27:57,609 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_true-termination.c_false-unreach-call.i [2018-11-10 04:27:57,616 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/data/7a95a464f/38c512cd6f3e43cb84f5de78968a5f7e/FLAG30f81ae1f [2018-11-10 04:27:57,628 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/data/7a95a464f/38c512cd6f3e43cb84f5de78968a5f7e [2018-11-10 04:27:57,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:27:57,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:27:57,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:27:57,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:27:57,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:27:57,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49481402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57, skipping insertion in model container [2018-11-10 04:27:57,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:27:57,667 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:27:57,801 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:27:57,811 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:27:57,827 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:27:57,839 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:27:57,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57 WrapperNode [2018-11-10 04:27:57,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:27:57,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:27:57,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:27:57,840 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:27:57,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:27:57,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:27:57,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:27:57,868 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:27:57,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... [2018-11-10 04:27:57,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:27:57,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:27:57,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:27:57,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:27:57,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:27:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:27:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 04:27:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 04:27:57,963 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-10 04:27:57,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:27:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:27:58,287 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:27:58,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:27:58 BoogieIcfgContainer [2018-11-10 04:27:58,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:27:58,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:27:58,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:27:58,299 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:27:58,299 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:27:58" (1/1) ... [2018-11-10 04:27:58,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:27:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:27:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-11-10 04:27:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-11-10 04:27:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:27:58,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:27:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:27:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:27:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:27:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-10 04:27:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-10 04:27:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:27:58,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:27:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:27:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:27:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:27:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-11-10 04:27:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-11-10 04:27:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:27:58,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:27:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:27:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:27:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:27:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:27:58,606 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 04:27:58,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:27:58 ImpRootNode [2018-11-10 04:27:58,635 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:27:58,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:27:58,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:27:58,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:27:58,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:27:58" (3/4) ... [2018-11-10 04:27:58,638 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:27:58,672 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_46bada89-b9ef-4632-90bd-7921f8146202/bin-2019/ukojak/witness.graphml [2018-11-10 04:27:58,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:27:58,672 INFO L168 Benchmark]: Toolchain (without parser) took 1040.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -102.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,673 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:27:58,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 943.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,674 INFO L168 Benchmark]: Boogie Preprocessor took 18.34 ms. Allocated memory is still 1.0 GB. Free memory was 940.4 MB in the beginning and 937.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,674 INFO L168 Benchmark]: RCFGBuilder took 401.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,675 INFO L168 Benchmark]: CodeCheck took 346.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,675 INFO L168 Benchmark]: Witness Printer took 36.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:27:58,677 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 36 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 24 SDslu, 32 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 5 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int used_tmp_slot = 0; [L41] int freed_tmp_slot = 1; [L39] struct slot *tmp_slot; [L132] CALL ebda_rsrc_controller() [L69] struct hotplug_slot *hp_slot_ptr; [L71] struct bus_info *bus_info_ptr1; [L72] int rc; [L74] EXPR, FCALL kzalloc(sizeof(*hp_slot_ptr), 1) [L74] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L75] COND FALSE !(!hp_slot_ptr) [L79] FCALL hp_slot_ptr->b = 5 [L81] EXPR, FCALL kzalloc(sizeof(*tmp_slot), 1) [L81] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L83] COND FALSE !(!tmp_slot) [L88] used_tmp_slot = 0 [L89] freed_tmp_slot = 0 [L91] FCALL tmp_slot->a = 2 [L92] FCALL tmp_slot->b = 3 [L94] CALL, EXPR ibmphp_find_same_bus_num() [L53] RET return __VERIFIER_nondet_pointer(); [L94] EXPR ibmphp_find_same_bus_num() [L94] bus_info_ptr1 = ibmphp_find_same_bus_num() [L95] COND TRUE !bus_info_ptr1 [L96] rc = -3 VAL [freed_tmp_slot=0, tmp_slot={13:-5854}, used_tmp_slot=0] [L123] CALL, EXPR hp_slot_ptr->private [L123] RET, EXPR hp_slot_ptr->private [L123] CALL kfree(hp_slot_ptr->private) [L46] COND FALSE, RET !(p!=0 && p==tmp_slot) [L123] kfree(hp_slot_ptr->private) [L128] RET return rc; VAL [freed_tmp_slot=0, tmp_slot={13:-5854}, used_tmp_slot=0] [L132] ebda_rsrc_controller() [L133] COND TRUE !used_tmp_slot VAL [freed_tmp_slot=0, tmp_slot={13:-5854}, used_tmp_slot=0] [L134] COND FALSE !((freed_tmp_slot) ? (0) : __blast_assert ()) [L134] CALL __blast_assert () [L6] __VERIFIER_error() VAL [freed_tmp_slot=0, tmp_slot={13:-5854}, used_tmp_slot=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 943.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.77 ms. Allocated memory is still 1.0 GB. Free memory was 943.1 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.34 ms. Allocated memory is still 1.0 GB. Free memory was 940.4 MB in the beginning and 937.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 401.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * CodeCheck took 346.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * Witness Printer took 36.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...