./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY --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 63816408f16166958351bc134d9ad3d8551cdcd0 ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 05:03:30,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 05:03:30,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 05:03:30,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 05:03:30,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 05:03:30,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 05:03:30,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 05:03:30,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 05:03:30,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 05:03:30,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 05:03:30,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 05:03:30,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 05:03:30,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 05:03:30,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 05:03:30,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 05:03:30,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 05:03:30,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 05:03:30,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 05:03:30,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 05:03:30,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 05:03:30,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 05:03:30,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 05:03:30,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 05:03:30,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 05:03:30,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 05:03:30,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 05:03:30,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 05:03:30,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 05:03:30,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 05:03:30,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 05:03:30,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 05:03:30,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 05:03:30,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 05:03:30,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 05:03:30,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 05:03:30,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 05:03:30,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 05:03:30,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 05:03:30,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 05:03:30,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 05:03:30,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 05:03:30,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-13 05:03:30,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 05:03:30,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 05:03:30,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 05:03:30,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 05:03:30,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 05:03:30,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 05:03:30,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 05:03:30,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 05:03:30,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 05:03:30,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 05:03:30,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 05:03:30,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 05:03:30,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 05:03:30,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 05:03:30,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 05:03:30,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 05:03:30,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 05:03:30,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 05:03:30,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 05:03:30,409 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 05:03:30,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 05:03:30,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:03:30,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 05:03:30,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 05:03:30,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 05:03:30,410 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 05:03:30,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 05:03:30,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 05:03:30,411 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_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63816408f16166958351bc134d9ad3d8551cdcd0 [2021-10-13 05:03:30,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 05:03:30,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 05:03:30,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 05:03:30,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 05:03:30,748 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 05:03:30,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-10-13 05:03:30,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/data/a75006f3e/ec21f7b0dd0e4722912b146e49e0bcbc/FLAGc6b1b2032 [2021-10-13 05:03:31,385 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 05:03:31,387 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2021-10-13 05:03:31,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/data/a75006f3e/ec21f7b0dd0e4722912b146e49e0bcbc/FLAGc6b1b2032 [2021-10-13 05:03:31,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/data/a75006f3e/ec21f7b0dd0e4722912b146e49e0bcbc [2021-10-13 05:03:31,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 05:03:31,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 05:03:31,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 05:03:31,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 05:03:31,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 05:03:31,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:03:31" (1/1) ... [2021-10-13 05:03:31,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b117d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:31, skipping insertion in model container [2021-10-13 05:03:31,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:03:31" (1/1) ... [2021-10-13 05:03:31,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 05:03:31,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 05:03:31,987 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_4ef72da5-8774-4297-a0c5-4a0b159b2b17/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-10-13 05:03:32,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:03:32,011 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 05:03:32,024 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_4ef72da5-8774-4297-a0c5-4a0b159b2b17/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2021-10-13 05:03:32,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 05:03:32,043 INFO L208 MainTranslator]: Completed translation [2021-10-13 05:03:32,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32 WrapperNode [2021-10-13 05:03:32,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 05:03:32,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 05:03:32,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 05:03:32,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 05:03:32,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 05:03:32,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 05:03:32,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 05:03:32,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 05:03:32,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 05:03:32,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 05:03:32,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 05:03:32,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 05:03:32,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 05:03:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/z3 [2021-10-13 05:03:32,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 05:03:32,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 05:03:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 05:03:32,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 05:03:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 05:03:32,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 05:03:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 05:03:32,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 05:03:32,548 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 05:03:32,548 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-13 05:03:32,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:32 BoogieIcfgContainer [2021-10-13 05:03:32,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 05:03:32,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 05:03:32,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 05:03:32,563 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 05:03:32,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:32" (1/1) ... [2021-10-13 05:03:32,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 05:03:32,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:03:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-13 05:03:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-13 05:03:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 05:03:32,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:03:32,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:03:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:03:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:03:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:03:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-13 05:03:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-13 05:03:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 05:03:32,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:03:32,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:03:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:03:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 05:03:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:03:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-13 05:03:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-13 05:03:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 05:03:33,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 05:03:33,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 05:03:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 05:03:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 05:03:34,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 05:03:34,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-13 05:03:34,214 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-13 05:03:34,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 05:03:34,214 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-10-13 05:03:34,222 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-13 05:03:34,283 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-13 05:03:34,295 INFO L565 CodeCheckObserver]: Invariant with dag size 7 [2021-10-13 05:03:34,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 05:03:34 ImpRootNode [2021-10-13 05:03:34,297 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 05:03:34,299 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 05:03:34,299 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 05:03:34,300 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 05:03:34,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:03:32" (3/4) ... [2021-10-13 05:03:34,304 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 05:03:34,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-13 05:03:34,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-13 05:03:34,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 05:03:34,315 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 05:03:34,369 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 05:03:34,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 05:03:34,372 INFO L168 Benchmark]: Toolchain (without parser) took 2642.19 ms. Allocated memory is still 117.4 MB. Free memory was 88.5 MB in the beginning and 56.5 MB in the end (delta: 32.0 MB). Peak memory consumption was 30.5 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,374 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 05:03:34,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.43 ms. Allocated memory is still 117.4 MB. Free memory was 88.3 MB in the beginning and 93.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 91.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,376 INFO L168 Benchmark]: Boogie Preprocessor took 35.93 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 90.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,376 INFO L168 Benchmark]: RCFGBuilder took 431.09 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 79.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,377 INFO L168 Benchmark]: CodeCheck took 1745.31 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 58.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,377 INFO L168 Benchmark]: Witness Printer took 72.01 ms. Allocated memory is still 117.4 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 05:03:34,385 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: 1632.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4 SDtfs, 32 SDslu, 0 SDs, 0 SdLazy, 180 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 188.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 839.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 26.1ms SsaConstructionTime, 120.8ms SatisfiabilityAnalysisTime, 382.5ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5/9 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: tmp == p && pathlim <= tmp - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: tmp == p && pathlim <= tmp * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 50.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.43 ms. Allocated memory is still 117.4 MB. Free memory was 88.3 MB in the beginning and 93.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 117.4 MB. Free memory was 93.2 MB in the beginning and 91.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.93 ms. Allocated memory is still 117.4 MB. Free memory was 91.6 MB in the beginning and 90.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 431.09 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 79.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 1745.31 ms. Allocated memory is still 117.4 MB. Free memory was 78.6 MB in the beginning and 58.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Witness Printer took 72.01 ms. Allocated memory is still 117.4 MB. Free memory was 58.6 MB in the beginning and 56.5 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 correct! [2021-10-13 05:03:34,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef72da5-8774-4297-a0c5-4a0b159b2b17/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...