./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI --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 ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:53:45,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:45,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:45,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:45,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:45,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:45,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:45,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:45,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:45,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:45,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:45,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:45,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:45,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:45,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:45,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:45,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:45,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:45,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:45,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:45,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:45,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:45,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:45,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:45,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:45,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:45,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:45,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:45,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:45,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:45,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:45,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:45,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:45,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:45,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:45,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:45,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:45,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:45,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:45,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:45,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:45,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:46,043 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:46,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:46,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:46,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:46,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:46,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:46,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:46,047 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:46,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:46,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:46,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:46,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:46,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:46,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:46,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:46,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:46,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:46,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:46,057 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:46,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:46,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:46,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:46,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:46,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:46,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:46,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:46,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:46,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:46,061 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_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dedd0e691082a54e7ab91bc5c89cd5119d7051d93eccccd50f69369896fe2c2c [2021-10-29 02:53:46,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:46,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:46,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:46,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:46,377 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:46,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2021-10-29 02:53:46,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/data/08425ece6/bc782acb76ee4410b4a07fc12584064d/FLAG915e41310 [2021-10-29 02:53:46,949 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:46,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2021-10-29 02:53:46,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/data/08425ece6/bc782acb76ee4410b4a07fc12584064d/FLAG915e41310 [2021-10-29 02:53:47,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/data/08425ece6/bc782acb76ee4410b4a07fc12584064d [2021-10-29 02:53:47,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:47,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:47,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:47,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:47,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:47,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c86a259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47, skipping insertion in model container [2021-10-29 02:53:47,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:47,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:47,513 WARN L228 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_37c2cdc3-9476-463f-80b6-e30d76f5608e/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i[825,838] [2021-10-29 02:53:47,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:47,536 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:47,547 WARN L228 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_37c2cdc3-9476-463f-80b6-e30d76f5608e/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i[825,838] [2021-10-29 02:53:47,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:47,565 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:47,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47 WrapperNode [2021-10-29 02:53:47,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:47,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:47,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:47,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:47,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:47,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:47,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:47,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:47,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:47,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:47,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:47,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:47,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47" (1/1) ... [2021-10-29 02:53:47,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:47,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:47,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:53:47,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:53:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:53:48,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:53:48,088 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:53:48,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48 BoogieIcfgContainer [2021-10-29 02:53:48,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:53:48,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:53:48,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:53:48,104 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:53:48,104 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48" (1/1) ... [2021-10-29 02:53:48,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:53:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-29 02:53:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-29 02:53:48,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 02:53:48,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:48,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 02:53:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 02:53:48,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:53:48,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:48,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:53:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:53:48,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:48,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 02:53:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 02:53:48,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 02:53:48,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:53:48,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:53:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:48,911 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:53:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:49,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:53:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:53:49,092 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-10-29 02:53:49,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:53:49 ImpRootNode [2021-10-29 02:53:49,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:53:49,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:53:49,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:53:49,155 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:53:49,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48" (3/4) ... [2021-10-29 02:53:49,166 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:53:49,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:53:49,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:53:49,222 INFO L168 Benchmark]: Toolchain (without parser) took 1898.64 ms. Allocated memory was 115.3 MB in the beginning and 151.0 MB in the end (delta: 35.7 MB). Free memory was 81.9 MB in the beginning and 113.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:49,222 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:49,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.10 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 89.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:49,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.73 ms. Allocated memory is still 115.3 MB. Free memory was 88.7 MB in the beginning and 87.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:49,225 INFO L168 Benchmark]: Boogie Preprocessor took 36.65 ms. Allocated memory is still 115.3 MB. Free memory was 87.3 MB in the beginning and 86.4 MB in the end (delta: 934.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:49,225 INFO L168 Benchmark]: RCFGBuilder took 428.37 ms. Allocated memory is still 115.3 MB. Free memory was 86.0 MB in the beginning and 74.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:49,226 INFO L168 Benchmark]: CodeCheck took 1061.34 ms. Allocated memory was 115.3 MB in the beginning and 151.0 MB in the end (delta: 35.7 MB). Free memory was 74.3 MB in the beginning and 115.7 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:49,227 INFO L168 Benchmark]: Witness Printer took 65.50 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 113.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:49,236 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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, 0.1s 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 [L27] Char *p; [L29] p = pathbuf VAL [tmp={25985:4}] [L29] COND TRUE p <= pathlim [L15] COND FALSE !(!(cond)) VAL [tmp={25985:4}] [L32] *p = 1 [L29] p++ VAL [tmp={25985:4}] [L29] COND TRUE p <= pathlim [L15] COND FALSE !(!(cond)) VAL [tmp={25985:4}] [L32] *p = 1 [L29] p++ VAL [tmp={25985:4}] [L29] COND TRUE p <= pathlim [L15] COND TRUE !(cond) VAL [tmp={25985:4}] [L16] reach_error() VAL [tmp={25985:4}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 77.6 MB. Free memory was 34.7 MB in the beginning and 34.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.10 ms. Allocated memory is still 115.3 MB. Free memory was 81.6 MB in the beginning and 89.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.73 ms. Allocated memory is still 115.3 MB. Free memory was 88.7 MB in the beginning and 87.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.65 ms. Allocated memory is still 115.3 MB. Free memory was 87.3 MB in the beginning and 86.4 MB in the end (delta: 934.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 428.37 ms. Allocated memory is still 115.3 MB. Free memory was 86.0 MB in the beginning and 74.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1061.34 ms. Allocated memory was 115.3 MB in the beginning and 151.0 MB in the end (delta: 35.7 MB). Free memory was 74.3 MB in the beginning and 115.7 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 65.50 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 113.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 02:53:49,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37c2cdc3-9476-463f-80b6-e30d76f5608e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...