./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_66_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/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_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/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_f0765b24-48b9-440d-94b1-455713026b70/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 b28b8592403ceab6a2b69c0ea91efe1d56b3df8ed69a07bc5078ebce963c80d8 --- 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 21:59:38,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:38,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:38,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:38,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:38,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:38,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:38,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:38,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:38,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:38,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:38,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:38,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:38,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:38,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:38,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:38,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:38,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:38,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:38,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:38,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:38,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:38,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:38,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:38,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:38,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:38,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:38,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:38,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:38,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:38,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:38,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:38,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:38,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:38,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:38,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:38,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:38,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:38,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:38,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:38,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:38,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:59:38,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:38,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:38,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:38,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:38,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:38,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:38,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:38,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:59:38,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:38,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:38,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:38,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:38,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:38,397 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:59:38,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:38,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:38,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:38,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:38,398 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:38,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:38,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:38,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:38,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:38,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:38,400 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:38,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:38,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:38,401 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_f0765b24-48b9-440d-94b1-455713026b70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28b8592403ceab6a2b69c0ea91efe1d56b3df8ed69a07bc5078ebce963c80d8 [2022-11-21 21:59:38,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:38,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:38,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:38,818 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:38,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:38,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_66_good.i [2022-11-21 21:59:41,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:59:42,453 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:59:42,454 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_66_good.i [2022-11-21 21:59:42,489 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/data/53725aa76/0c76ab002c154b3f8e87a1c84236a5dd/FLAG0391227fc [2022-11-21 21:59:42,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/data/53725aa76/0c76ab002c154b3f8e87a1c84236a5dd [2022-11-21 21:59:42,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:59:42,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:59:42,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:42,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:59:42,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:59:42,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:42" (1/1) ... [2022-11-21 21:59:42,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4c5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:42, skipping insertion in model container [2022-11-21 21:59:42,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:42" (1/1) ... [2022-11-21 21:59:42,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:59:42,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:59:43,092 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:43,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:43,849 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:59:43,889 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:59:43,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:44,130 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:59:44,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44 WrapperNode [2022-11-21 21:59:44,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:44,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:44,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:59:44,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:59:44,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,239 INFO L138 Inliner]: procedures = 503, calls = 74, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 76 [2022-11-21 21:59:44,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:44,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:59:44,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:59:44,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:59:44,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:59:44,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:59:44,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:59:44,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:59:44,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:44,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:59:44,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:59:44,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:59:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:59:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:59:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:59:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:59:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:59:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:59:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:59:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:59:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:59:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:59:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:59:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:59:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:59:44,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:59:44,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:59:44,849 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:59:44,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:59:44,958 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:59:44,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:44 BoogieIcfgContainer [2022-11-21 21:59:44,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:59:44,962 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:59:44,962 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:59:44,978 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:59:44,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:44" (1/1) ... [2022-11-21 21:59:44,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:59:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-21 21:59:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-21 21:59:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 21:59:45,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:45,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:45,706 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 21:59:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:45,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-21 21:59:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-21 21:59:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:59:45,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:45,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:46,001 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 21:59:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:46,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-21 21:59:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-21 21:59:46,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 21:59:46,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:46,084 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 21:59:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-21 21:59:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-21 21:59:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 21:59:46,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:46,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:46,669 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 21:59:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-21 21:59:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-21 21:59:46,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:59:46,763 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-21 21:59:46,774 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 21:59:46,812 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:59:46,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:59:46 ImpRootNode [2022-11-21 21:59:46,819 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:59:46,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:59:46,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:59:46,820 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:59:46,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:44" (3/4) ... [2022-11-21 21:59:46,824 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:59:46,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:59:46,832 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:59:46,849 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-21 21:59:46,849 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 21:59:46,849 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 21:59:46,850 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:59:46,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:59:46,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:59:46,901 INFO L158 Benchmark]: Toolchain (without parser) took 4382.24ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 96.6MB in the beginning and 89.0MB in the end (delta: 7.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,902 INFO L158 Benchmark]: CDTParser took 1.67ms. Allocated memory is still 98.6MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:59:46,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1608.59ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 61.7MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.02ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,904 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,904 INFO L158 Benchmark]: RCFGBuilder took 673.78ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 109.6MB in the end (delta: -52.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,905 INFO L158 Benchmark]: CodeCheck took 1856.99ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 109.6MB in the beginning and 92.1MB in the end (delta: 17.5MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,905 INFO L158 Benchmark]: Witness Printer took 80.85ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:59:46,908 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 40 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.67ms. Allocated memory is still 98.6MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1608.59ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 61.7MB in the end (delta: 34.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.02ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 142.6MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.78ms. Allocated memory is still 142.6MB. Free memory was 56.9MB in the beginning and 109.6MB in the end (delta: -52.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 1856.99ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 109.6MB in the beginning and 92.1MB in the end (delta: 17.5MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Witness Printer took 80.85ms. Allocated memory is still 176.2MB. Free memory was 92.1MB in the beginning and 89.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:59:46,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0765b24-48b9-440d-94b1-455713026b70/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