./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB --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 dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c --- 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-dbf71c6-m [2022-10-17 16:46:56,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:56,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:56,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:56,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:56,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:56,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:56,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:56,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:56,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:56,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:56,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:56,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:56,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:56,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:56,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:56,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:56,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:56,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:56,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:56,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:56,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:56,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:56,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:56,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:56,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:56,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:56,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:56,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:56,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:56,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:56,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:56,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:56,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:56,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:56,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:56,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:56,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:56,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:56,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:56,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:56,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:46:56,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:56,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:56,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:56,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:56,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:56,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:56,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:56,978 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:56,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:56,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:56,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:56,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:56,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:56,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:56,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:56,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:56,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:56,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:56,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:56,980 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:56,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:56,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:56,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:56,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:56,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:56,982 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:56,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:56,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:56,983 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_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c [2022-10-17 16:46:57,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:57,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:57,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:57,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:57,277 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:57,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2022-10-17 16:46:57,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/data/1a89843e2/3637bfb99cf144f7b0f760d589530958/FLAGb008313c1 [2022-10-17 16:46:57,859 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:57,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2022-10-17 16:46:57,867 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/data/1a89843e2/3637bfb99cf144f7b0f760d589530958/FLAGb008313c1 [2022-10-17 16:46:58,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/data/1a89843e2/3637bfb99cf144f7b0f760d589530958 [2022-10-17 16:46:58,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:58,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:58,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:58,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:58,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:58,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47908c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58, skipping insertion in model container [2022-10-17 16:46:58,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:58,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:46:58,431 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_00dcedde-a5bf-446f-b567-a8700b6721ec/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i[825,838] [2022-10-17 16:46:58,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:58,458 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:46:58,468 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_00dcedde-a5bf-446f-b567-a8700b6721ec/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i[825,838] [2022-10-17 16:46:58,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:46:58,484 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:46:58,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58 WrapperNode [2022-10-17 16:46:58,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:58,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:58,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:46:58,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:46:58,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,522 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2022-10-17 16:46:58,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:46:58,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:46:58,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:46:58,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:46:58,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,544 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:46:58,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:46:58,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:46:58,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:46:58,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:46:58,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:46:58,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:46:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:46:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:46:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:46:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:46:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:46:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:46:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:46:58,695 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:46:58,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:46:58,821 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:46:58,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:46:58,876 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:46:58,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:58 BoogieIcfgContainer [2022-10-17 16:46:58,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:46:58,882 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:46:58,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:46:58,892 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:46:58,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:58" (1/1) ... [2022-10-17 16:46:58,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:46:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:46:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:46:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:46:58,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:46:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:46:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:46:59,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:59,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:47:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:47:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:00,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:00,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:00,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:47:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:00,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:47:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:47:00,180 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-10-17 16:47:00,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:47:00 ImpRootNode [2022-10-17 16:47:00,243 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:47:00,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:47:00,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:47:00,245 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:47:00,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:46:58" (3/4) ... [2022-10-17 16:47:00,248 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:47:00,336 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:47:00,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:47:00,337 INFO L158 Benchmark]: Toolchain (without parser) took 2128.51ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 93.5MB in the end (delta: -743.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:00,337 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:00,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.63ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 104.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:47:00,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.37ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 103.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:00,340 INFO L158 Benchmark]: Boogie Preprocessor took 23.13ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:00,341 INFO L158 Benchmark]: RCFGBuilder took 333.59ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 90.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:47:00,341 INFO L158 Benchmark]: CodeCheck took 1361.49ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 96.3MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:00,342 INFO L158 Benchmark]: Witness Printer took 91.67ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:00,346 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] Char *tmp; [L40] Char pathbuf[1 +1]; [L42] Char *bound = pathbuf + sizeof(pathbuf) - 1; [L44] tmp = pathbuf + sizeof(pathbuf)/sizeof(*pathbuf) - 1 [L46] CALL glob2 (pathbuf, bound) [L27] Char *p; [L29] p = pathbuf VAL [p={3025:0}, pathbuf={3025:0}, pathbuf={3025:0}, pathlim={3025:28}, pathlim={3025:28}, tmp={3025:4}] [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, tmp={3025:4}] [L31] RET __VERIFIER_assert(p<=tmp) [L32] *p = 1 [L29] p++ VAL [p={3025:4}, pathbuf={3025:0}, pathbuf={3025:0}, pathlim={3025:28}, pathlim={3025:28}, tmp={3025:4}] [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, tmp={3025:4}] [L31] RET __VERIFIER_assert(p<=tmp) [L32] *p = 1 [L29] p++ VAL [p={3025:8}, pathbuf={3025:0}, pathbuf={3025:0}, pathlim={3025:28}, pathlim={3025:28}, tmp={3025:4}] [L29] COND TRUE p <= pathlim [L31] CALL __VERIFIER_assert(p<=tmp) [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, tmp={3025:4}] [L16] reach_error() VAL [\old(cond)=0, cond=0, tmp={3025:4}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.63ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 104.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.37ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 103.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.13ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.59ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 90.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1361.49ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 96.3MB in the end (delta: -6.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.67ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 93.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:47:00,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00dcedde-a5bf-446f-b567-a8700b6721ec/bin/ukojak-92XMlrwhuB/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