./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array08_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array08_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 --- 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-b5237d8 [2022-11-21 22:44:42,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:44:42,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:44:42,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:44:42,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:44:42,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:44:42,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:44:42,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:44:42,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:44:42,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:44:42,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:44:42,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:44:42,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:44:42,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:44:42,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:44:42,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:44:42,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:44:42,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:44:42,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:44:42,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:44:42,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:44:42,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:44:42,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:44:42,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:44:43,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:44:43,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:44:43,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:44:43,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:44:43,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:44:43,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:44:43,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:44:43,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:44:43,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:44:43,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:44:43,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:44:43,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:44:43,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:44:43,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:44:43,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:44:43,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:44:43,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:44:43,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:44:43,065 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:44:43,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:44:43,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:44:43,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:44:43,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:44:43,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:44:43,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:44:43,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:44:43,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:44:43,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:44:43,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:44:43,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:44:43,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:44:43,075 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:44:43,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:44:43,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:44:43,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:44:43,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:44:43,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:44:43,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:44:43,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:44:43,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:44:43,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:44:43,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:44:43,077 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:44:43,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:44:43,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:44:43,078 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_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea846d0aba06317f1556d20887ae97ba4fe62b0d875c0f978e04ead015c46479 [2022-11-21 22:44:43,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:44:43,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:44:43,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:44:43,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:44:43,471 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:44:43,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-15/array08_alloca.i [2022-11-21 22:44:46,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:44:46,866 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:44:46,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/sv-benchmarks/c/termination-15/array08_alloca.i [2022-11-21 22:44:46,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/data/fdf440c38/ae46f2da21a2475ca5a56b1329945e44/FLAG3a9068814 [2022-11-21 22:44:46,927 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/data/fdf440c38/ae46f2da21a2475ca5a56b1329945e44 [2022-11-21 22:44:46,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:44:46,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:44:46,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:44:46,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:44:46,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:44:46,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:44:46" (1/1) ... [2022-11-21 22:44:46,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3431e3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:46, skipping insertion in model container [2022-11-21 22:44:46,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:44:46" (1/1) ... [2022-11-21 22:44:46,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:44:46,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:44:47,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:44:47,287 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:44:47,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:44:47,399 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:44:47,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47 WrapperNode [2022-11-21 22:44:47,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:44:47,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:44:47,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:44:47,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:44:47,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,467 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-21 22:44:47,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:44:47,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:44:47,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:44:47,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:44:47,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:44:47,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:44:47,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:44:47,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:44:47,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:44:47,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:44:47,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:44:47,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:44:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:44:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:44:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:44:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:44:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:44:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:44:47,673 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:44:47,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:44:47,877 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:44:47,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:44:47,926 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:44:47,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:47 BoogieIcfgContainer [2022-11-21 22:44:47,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:44:47,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:44:47,930 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:44:47,941 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:44:47,942 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:47" (1/1) ... [2022-11-21 22:44:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:44:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-21 22:44:48,053 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-21 22:44:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:44:48,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-11-21 22:44:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-11-21 22:44:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:44:48,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:48,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-11-21 22:44:48,790 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-21 22:44:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:44:48,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:48,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-11-21 22:44:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-11-21 22:44:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:44:48,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:48,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-21 22:44:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-21 22:44:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:44:49,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-11-21 22:44:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-11-21 22:44:49,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:44:49,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:49,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:51,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-11-21 22:44:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-11-21 22:44:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:44:51,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:51,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2022-11-21 22:44:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2022-11-21 22:44:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:44:52,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2022-11-21 22:44:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2022-11-21 22:44:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:44:53,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:55,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2022-11-21 22:44:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2022-11-21 22:44:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:44:55,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:55,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:44:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:44:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2022-11-21 22:44:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2022-11-21 22:44:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:44:58,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:44:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:44:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:44:59,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2022-11-21 22:45:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2022-11-21 22:45:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:45:00,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2022-11-21 22:45:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2022-11-21 22:45:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:45:01,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:45:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:45:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:45:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2022-11-21 22:45:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2022-11-21 22:45:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:45:03,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:45:03,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:45:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:03,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:45:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:03,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:45:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:45:03,843 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2022-11-21 22:45:03,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:45:03 ImpRootNode [2022-11-21 22:45:03,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:45:03,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:45:03,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:45:03,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:45:03,887 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:44:47" (3/4) ... [2022-11-21 22:45:03,889 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:45:03,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531beb58-5305-4283-af8f-a2651b2dd9bf/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:45:03,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:45:03,931 INFO L158 Benchmark]: Toolchain (without parser) took 16999.60ms. Allocated memory was 157.3MB in the beginning and 251.7MB in the end (delta: 94.4MB). Free memory was 130.1MB in the beginning and 195.3MB in the end (delta: -65.2MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-21 22:45:03,932 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 111.1MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:03,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.59ms. Allocated memory is still 157.3MB. Free memory was 129.3MB in the beginning and 111.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:45:03,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.96ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:03,933 INFO L158 Benchmark]: Boogie Preprocessor took 51.76ms. Allocated memory is still 157.3MB. Free memory was 110.3MB in the beginning and 109.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:03,934 INFO L158 Benchmark]: RCFGBuilder took 407.20ms. Allocated memory is still 157.3MB. Free memory was 109.0MB in the beginning and 95.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:45:03,935 INFO L158 Benchmark]: CodeCheck took 15955.34ms. Allocated memory was 157.3MB in the beginning and 251.7MB in the end (delta: 94.4MB). Free memory was 95.7MB in the beginning and 197.4MB in the end (delta: -101.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:45:03,935 INFO L158 Benchmark]: Witness Printer took 44.36ms. Allocated memory is still 251.7MB. Free memory was 197.4MB in the beginning and 195.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:45:03,938 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 309 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 533 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2070 IncrementalHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 533 mSolverCounterUnsat, 22 mSDtfsCounter, 2070 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1179 GetRequests, 940 SyntacticMatches, 49 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16306 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1024 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 0/54 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: 378]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, length=2] [L369] COND FALSE !(!arr) [L370] i=0 VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=0, length=2] [L370] COND TRUE i