./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ --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 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:38:32,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:38:32,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:38:32,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:38:32,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:38:32,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:38:32,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:38:32,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:38:32,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:38:32,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:38:32,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:38:32,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:38:32,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:38:32,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:38:32,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:38:32,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:38:32,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:38:32,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:38:32,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:38:32,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:38:32,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:38:32,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:38:32,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:38:32,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:38:32,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:38:32,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:38:32,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:38:32,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:38:32,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:38:32,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:38:32,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:38:32,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:38:32,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:38:32,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:38:32,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:38:32,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:38:32,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:38:32,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:38:32,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:38:32,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:38:32,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:38:32,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:38:32,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:38:32,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:38:32,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:38:32,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:38:32,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:38:32,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:38:32,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:38:32,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:38:32,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:38:32,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:38:32,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:38:32,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:38:32,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:38:32,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:38:32,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:38:32,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:38:32,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:38:32,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:38:32,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:38:32,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:38:32,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:38:32,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:38:32,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:38:32,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:38:32,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:38:32,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:38:32,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:38:32,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:38:32,713 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_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18e93ea431e83188bc36b5e920f02065de4d876f2ec76df16cf4e34ae99f6b21 [2021-11-23 00:38:33,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:38:33,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:38:33,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:38:33,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:38:33,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:38:33,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2021-11-23 00:38:33,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/data/99aff4b0f/3fea27ac1487444db13f2013deb99f42/FLAG157f2721f [2021-11-23 00:38:33,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:38:33,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i [2021-11-23 00:38:33,607 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/data/99aff4b0f/3fea27ac1487444db13f2013deb99f42/FLAG157f2721f [2021-11-23 00:38:33,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/data/99aff4b0f/3fea27ac1487444db13f2013deb99f42 [2021-11-23 00:38:33,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:38:33,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:38:33,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:38:33,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:38:33,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:38:33,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:33,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ce4a70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33, skipping insertion in model container [2021-11-23 00:38:33,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:33,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:38:33,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:38:33,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-11-23 00:38:33,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:38:33,892 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:38:33,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/sv-benchmarks/c/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-11-23 00:38:33,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:38:33,933 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:38:33,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33 WrapperNode [2021-11-23 00:38:33,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:38:33,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:38:33,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:38:33,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:38:33,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:33,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,001 INFO L137 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 105 [2021-11-23 00:38:34,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:38:34,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:38:34,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:38:34,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:38:34,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:38:34,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:38:34,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:38:34,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:38:34,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:33" (1/1) ... [2021-11-23 00:38:34,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:38:34,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:38:34,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:38:34,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:38:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:38:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:38:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:38:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:38:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:38:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:38:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 00:38:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 00:38:34,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:38:34,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:38:34,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:38:34,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:38:34,540 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:38:34,579 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:38:34,580 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:38:34,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:34 BoogieIcfgContainer [2021-11-23 00:38:34,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:38:34,583 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:38:34,583 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:38:34,593 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:38:34,594 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:34" (1/1) ... [2021-11-23 00:38:34,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:38:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-23 00:38:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-23 00:38:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:38:34,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-23 00:38:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 00:38:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:38:34,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:38:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2021-11-23 00:38:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-23 00:38:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:38:35,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:35,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:35,197 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:35,323 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:38:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:38:35,370 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-11-23 00:38:35,392 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,393 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,395 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:38:35 ImpRootNode [2021-11-23 00:38:35,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:38:35,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:38:35,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:38:35,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:38:35,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:34" (3/4) ... [2021-11-23 00:38:35,420 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:38:35,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-11-23 00:38:35,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:38:35,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:38:35,484 INFO L158 Benchmark]: Toolchain (without parser) took 1856.54ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 38.9MB in the beginning and 58.3MB in the end (delta: -19.4MB). Peak memory consumption was 832.4kB. Max. memory is 16.1GB. [2021-11-23 00:38:35,484 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:35,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.90ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 38.7MB in the beginning and 67.4MB in the end (delta: -28.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-11-23 00:38:35,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.58ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:38:35,498 INFO L158 Benchmark]: Boogie Preprocessor took 51.77ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 64.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:35,499 INFO L158 Benchmark]: RCFGBuilder took 527.60ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 49.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:38:35,500 INFO L158 Benchmark]: CodeCheck took 833.30ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 61.5MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:38:35,500 INFO L158 Benchmark]: Witness Printer took 65.80ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:38:35,503 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. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 38 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 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: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] struct slot *tmp_slot; [L43] int used_tmp_slot = 0; [L44] int freed_tmp_slot = 1; [L138] CALL ebda_rsrc_controller() [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] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L80] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) VAL [freed_tmp_slot=1, kzalloc(sizeof(*hp_slot_ptr), 1)={-2:0}, 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, hp_slot_ptr={-2:0}, 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] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L87] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) VAL [freed_tmp_slot=1, hp_slot_ptr={-2:0}, kzalloc(sizeof(*tmp_slot), 1)={-1:0}, 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 [L100] CALL, EXPR ibmphp_find_same_bus_num() [L58] COND TRUE __VERIFIER_nondet_int() [L59] return 0; VAL [\result={0:0}, freed_tmp_slot=0, tmp_slot={-1:0}, used_tmp_slot=0] [L100] RET, EXPR ibmphp_find_same_bus_num() [L100] bus_info_ptr1 = ibmphp_find_same_bus_num() [L101] COND TRUE !bus_info_ptr1 [L102] rc = -3 VAL [bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-2:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L129] EXPR hp_slot_ptr->private [L129] CALL kfree(hp_slot_ptr->private) [L52] COND FALSE !(p!=0 && p==tmp_slot) [L129] RET kfree(hp_slot_ptr->private) [L134] return rc; VAL [\result=-3, bus_info_ptr1={0:0}, freed_tmp_slot=0, hp_slot_ptr={-2:0}, rc=-3, tmp_slot={-1:0}, used_tmp_slot=0] [L138] RET ebda_rsrc_controller() [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 () [L140] CALL __blast_assert () [L9] 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 0.29ms. Allocated memory is still 77.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.90ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 38.7MB in the beginning and 67.4MB in the end (delta: -28.7MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.58ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.77ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 64.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.60ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 49.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 833.30ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 61.5MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.80ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:38:35,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ac32e84-d208-4cbf-812d-250a0534a796/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE