./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90255b6d42e8eddd302a165c13bf85fedf0ab0fff41ef1341522e782736eae7d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:29:06,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:29:06,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:29:06,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:29:06,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:29:06,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:29:06,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:29:06,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:29:06,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:29:06,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:29:06,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:29:06,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:29:06,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:29:06,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:29:06,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:29:06,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:29:06,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:29:06,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:29:06,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:29:06,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:29:06,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:29:06,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:29:06,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:29:06,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:29:06,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:29:06,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:29:06,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:29:06,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:29:06,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:29:06,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:29:06,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:29:06,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:29:06,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:29:06,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:29:06,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:29:06,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:29:06,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:29:06,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:29:06,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:29:06,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:29:06,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:29:06,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:29:06,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:29:06,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:29:06,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:29:06,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:29:06,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:29:06,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:29:06,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:29:06,441 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:29:06,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:29:06,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:29:06,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:29:06,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:29:06,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:29:06,443 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:29:06,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:29:06,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:29:06,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:29:06,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:29:06,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:29:06,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:29:06,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:29:06,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:29:06,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:29:06,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:29:06,445 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:29:06,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:29:06,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:29:06,446 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_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90255b6d42e8eddd302a165c13bf85fedf0ab0fff41ef1341522e782736eae7d [2022-11-21 23:29:06,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:29:06,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:29:06,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:29:06,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:29:06,744 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:29:06,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_22_good.i [2022-11-21 23:29:09,918 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:29:10,274 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:29:10,274 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_22_good.i [2022-11-21 23:29:10,304 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/data/1f7c7264f/d962252803c14e669a93f6d7f377540f/FLAG031e94071 [2022-11-21 23:29:10,320 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/data/1f7c7264f/d962252803c14e669a93f6d7f377540f [2022-11-21 23:29:10,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:29:10,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:29:10,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:29:10,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:29:10,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:29:10,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:29:10" (1/1) ... [2022-11-21 23:29:10,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e66ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:10, skipping insertion in model container [2022-11-21 23:29:10,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:29:10" (1/1) ... [2022-11-21 23:29:10,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:29:10,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:29:10,825 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:29:11,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:29:11,431 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:29:11,462 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:29:11,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:29:11,737 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:29:11,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11 WrapperNode [2022-11-21 23:29:11,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:29:11,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:29:11,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:29:11,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:29:11,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,796 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 83 [2022-11-21 23:29:11,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:29:11,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:29:11,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:29:11,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:29:11,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:29:11,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:29:11,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:29:11,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:29:11,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:29:11" (1/1) ... [2022-11-21 23:29:11,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:29:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:29:11,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:29:11,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:29:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:29:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:29:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:29:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:29:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:29:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:29:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:29:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:29:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:29:12,061 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:29:12,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:29:12,249 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:29:12,287 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:29:12,288 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:29:12,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:12 BoogieIcfgContainer [2022-11-21 23:29:12,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:29:12,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:29:12,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:29:12,302 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:29:12,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:12" (1/1) ... [2022-11-21 23:29:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:29:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 23:29:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 23:29:12,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:29:12,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:12,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:29:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:12,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-11-21 23:29:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-21 23:29:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:29:12,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:12,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:29:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-11-21 23:29:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-21 23:29:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:29:12,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:29:13,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 35 transitions. [2022-11-21 23:29:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-21 23:29:13,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:29:13,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:29:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 34 transitions. [2022-11-21 23:29:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-11-21 23:29:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:29:13,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:13,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:29:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-11-21 23:29:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-21 23:29:13,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:29:13,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:13,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:29:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-11-21 23:29:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 23:29:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:29:13,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:29:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-11-21 23:29:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 23:29:13,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:29:13,739 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 23:29:13,750 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:29:13,786 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:29:13,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:29:13 ImpRootNode [2022-11-21 23:29:13,796 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:29:13,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:29:13,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:29:13,797 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:29:13,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:29:12" (3/4) ... [2022-11-21 23:29:13,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:29:13,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:29:13,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:29:13,832 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:29:13,833 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 23:29:13,834 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:29:13,834 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:29:13,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:29:13,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:29:13,906 INFO L158 Benchmark]: Toolchain (without parser) took 3582.21ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 91.5MB in the beginning and 137.9MB in the end (delta: -46.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:29:13,907 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:29:13,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.02ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 77.9MB in the end (delta: 13.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-11-21 23:29:13,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.56ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 74.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:29:13,909 INFO L158 Benchmark]: Boogie Preprocessor took 33.21ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:29:13,909 INFO L158 Benchmark]: RCFGBuilder took 459.48ms. Allocated memory is still 138.4MB. Free memory was 72.8MB in the beginning and 57.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:29:13,910 INFO L158 Benchmark]: CodeCheck took 1504.56ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 57.5MB in the beginning and 142.0MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:29:13,911 INFO L158 Benchmark]: Witness Printer took 108.86ms. Allocated memory is still 180.4MB. Free memory was 142.0MB in the beginning and 137.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:29:13,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 351 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 213 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 195 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 672 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 20/20 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 - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.02ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 77.9MB in the end (delta: 13.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.56ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 74.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.21ms. Allocated memory is still 138.4MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.48ms. Allocated memory is still 138.4MB. Free memory was 72.8MB in the beginning and 57.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1504.56ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 57.5MB in the beginning and 142.0MB in the end (delta: -84.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.86ms. Allocated memory is still 180.4MB. Free memory was 142.0MB in the beginning and 137.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:29:13,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18d261-5cc7-416d-81a0-40560a0b7112/bin/ukojak-jW3SillKbg/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 Result: TRUE