./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4 --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 ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:23:29,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:23:29,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:23:29,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:23:29,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:23:29,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:23:29,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:23:29,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:23:29,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:23:29,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:23:29,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:23:29,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:23:29,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:23:29,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:23:29,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:23:29,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:23:29,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:23:29,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:23:29,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:23:29,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:23:29,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:23:29,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:23:29,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:23:29,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:23:29,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:23:29,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:23:29,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:23:29,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:23:29,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:23:29,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:23:29,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:23:29,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:23:29,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:23:29,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:23:29,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:23:29,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:23:29,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:23:29,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:23:29,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:23:29,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:23:29,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:23:29,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:23:29,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:23:29,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:23:29,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:23:29,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:23:29,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:23:29,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:23:29,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:23:29,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:23:29,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:23:29,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:23:29,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:23:29,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:23:29,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:23:29,465 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_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 [2022-12-14 19:23:29,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:23:29,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:23:29,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:23:29,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:23:29,676 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:23:29,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2022-12-14 19:23:32,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:23:32,536 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:23:32,537 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/sv-benchmarks/c/ldv-sets/test_add-1.i [2022-12-14 19:23:32,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/data/3ca74bb05/451138b05dad4b658d2d8fbaa9ea0dd8/FLAG4e63e7187 [2022-12-14 19:23:32,556 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/data/3ca74bb05/451138b05dad4b658d2d8fbaa9ea0dd8 [2022-12-14 19:23:32,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:23:32,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:23:32,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:23:32,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:23:32,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:23:32,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5708d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32, skipping insertion in model container [2022-12-14 19:23:32,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:23:32,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:23:32,796 WARN L237 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_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2022-12-14 19:23:32,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:23:32,807 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:23:32,841 WARN L237 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_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/sv-benchmarks/c/ldv-sets/test_add-1.i[25792,25805] [2022-12-14 19:23:32,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:23:32,859 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:23:32,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32 WrapperNode [2022-12-14 19:23:32,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:23:32,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:23:32,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:23:32,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:23:32,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,888 INFO L138 Inliner]: procedures = 135, calls = 46, calls flagged for inlining = 11, calls inlined = 7, statements flattened = 55 [2022-12-14 19:23:32,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:23:32,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:23:32,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:23:32,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:23:32,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:23:32,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:23:32,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:23:32,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:23:32,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:23:32" (1/1) ... [2022-12-14 19:23:32,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:23:32,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:23:32,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:23:32,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:23:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:23:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-12-14 19:23:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-12-14 19:23:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:23:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2022-12-14 19:23:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:23:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:23:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:23:33,048 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:23:33,050 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:23:33,192 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:23:33,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:23:33,226 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:23:33,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:23:33 BoogieIcfgContainer [2022-12-14 19:23:33,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:23:33,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:23:33,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:23:33,237 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:23:33,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:23:33" (1/1) ... [2022-12-14 19:23:33,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:23:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:23:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 19:23:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 19:23:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:23:33,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:23:33,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:23:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:23:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:23:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:23:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2022-12-14 19:23:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-12-14 19:23:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:23:33,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:23:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:23:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:23:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:23:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:23:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2022-12-14 19:23:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-14 19:23:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:23:33,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:23:33,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:23:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:23:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:23:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:23:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2022-12-14 19:23:34,106 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-14 19:23:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:23:34,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:23:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:23:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:23:34,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:23:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:23:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:23:34,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 19:23:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 19:23:34,368 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-12-14 19:23:34,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:23:34 ImpRootNode [2022-12-14 19:23:34,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:23:34,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:23:34,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:23:34,396 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:23:34,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:23:33" (3/4) ... [2022-12-14 19:23:34,397 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 19:23:34,436 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:23:34,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:23:34,437 INFO L158 Benchmark]: Toolchain (without parser) took 1877.94ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 106.6MB in the beginning and 117.9MB in the end (delta: -11.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-12-14 19:23:34,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:23:34,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.17ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 19:23:34,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.52ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:23:34,438 INFO L158 Benchmark]: Boogie Preprocessor took 18.64ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:23:34,439 INFO L158 Benchmark]: RCFGBuilder took 320.39ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 66.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 19:23:34,439 INFO L158 Benchmark]: CodeCheck took 1165.87ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 66.8MB in the beginning and 121.0MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:23:34,439 INFO L158 Benchmark]: Witness Printer took 40.79ms. Allocated memory is still 172.0MB. Free memory was 121.0MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:23:34,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 50 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 7/13 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: 667]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; [L671] CALL foo() [L665] int j = __VERIFIER_nondet_int(); [L666] CALL ldv_set_add(j, &s1) [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=5, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=5, __mptr={3:0}, e=5, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND FALSE !(&m->list != (s)) [L657] return 0; VAL [\old(e)=5, \result=0, __mptr={3:0}, e=5, m={3:-4}, s={3:0}, s={3:0}, s1={3:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [\old(new)=5, ldv_is_in_set(new, s)=0, new=5, s={3:0}, s={3:0}, s1={3:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; [L635] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L576] void *ptr = malloc(size); [L577] CALL assume_abort_if_not(ptr!=0) [L565] COND FALSE !(!cond) [L577] RET assume_abort_if_not(ptr!=0) [L578] return ptr; [L635] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element)) [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new [L637] CALL ldv_list_add(&le->list, s) [L605] EXPR head->next VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [new={-1:4}, next={3:0}, prev={3:0}, s1={3:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new [L605] RET __ldv_list_add(new, head, head->next) VAL [head={3:0}, head={3:0}, head->next={3:0}, new={-1:4}, new={-1:4}, s1={3:0}] [L637] RET ldv_list_add(&le->list, s) [L666] RET ldv_set_add(j, &s1) [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=5, s={3:0}, s1={3:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=5, __mptr={-1:4}, e=5, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=5, __mptr={-1:4}, e=5, m={-1:0}, m->e=5, s={3:0}, s={3:0}, s1={3:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=5, \result=1, __mptr={-1:4}, e=5, m={-1:0}, s={3:0}, s={3:0}, s1={3:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [j=5, ldv_is_in_set(j, &s1)=1, s1={3:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L667] reach_error() VAL [j=5, s1={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.17ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 87.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.52ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 85.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.64ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 84.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.39ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 66.8MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1165.87ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 66.8MB in the beginning and 121.0MB in the end (delta: -54.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.79ms. Allocated memory is still 172.0MB. Free memory was 121.0MB in the beginning and 117.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 19:23:34,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7185f0c8-f7fc-4d64-a430-89f6c218e4ab/bin/ukojak-rkRKPMF4O4/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