./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_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_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/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_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/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_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/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 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a --- 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 22:46:15,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:15,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:15,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:15,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:15,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:15,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:15,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:15,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:15,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:15,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:15,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:15,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:15,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:15,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:15,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:15,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:15,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:15,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:15,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:15,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:15,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:15,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:15,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:15,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:15,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:15,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:15,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:15,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:15,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:15,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:15,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:15,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:15,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:15,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:15,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:15,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:15,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:15,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:15,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:15,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:15,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:46:15,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:15,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:15,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:15,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:15,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:15,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:15,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:15,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:15,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:46:15,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:15,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:15,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:15,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:15,449 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:15,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:15,449 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:15,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:15,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:15,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:15,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:15,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:15,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:15,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:15,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:15,452 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:46:15,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:46:15,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:15,453 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_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a [2022-11-21 22:46:15,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:15,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:15,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:15,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:15,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:15,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-11-21 22:46:19,917 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:20,469 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:20,474 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-11-21 22:46:20,516 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/data/a7d6407c3/a02a304c70d7406ea3cabeb27c68d259/FLAG117dbb3e1 [2022-11-21 22:46:20,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/data/a7d6407c3/a02a304c70d7406ea3cabeb27c68d259 [2022-11-21 22:46:20,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:20,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:20,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:20,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:20,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:20,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:20" (1/1) ... [2022-11-21 22:46:20,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61487e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:20, skipping insertion in model container [2022-11-21 22:46:20,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:20" (1/1) ... [2022-11-21 22:46:20,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:20,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:21,126 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:46:21,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:21,887 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:21,930 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:46:22,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:22,273 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:22,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22 WrapperNode [2022-11-21 22:46:22,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:22,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:22,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:22,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:22,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,366 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-11-21 22:46:22,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:22,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:22,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:22,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:22,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:22,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:22,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:22,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:22,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:22" (1/1) ... [2022-11-21 22:46:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:22,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:22,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:22,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:46:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:46:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:46:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:46:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 22:46:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 22:46:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:46:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:46:22,796 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:22,799 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:23,135 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:23,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:23,229 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:46:23,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:23 BoogieIcfgContainer [2022-11-21 22:46:23,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:46:23,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:46:23,235 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:46:23,249 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:46:23,249 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:23" (1/1) ... [2022-11-21 22:46:23,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:46:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-21 22:46:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 22:46:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:46:23,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:23,655 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 22:46:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:23,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-11-21 22:46:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-21 22:46:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:23,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:23,923 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 22:46:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:23,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-21 22:46:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 22:46:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:23,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:23,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:24,273 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 22:46:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 46 transitions. [2022-11-21 22:46:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-21 22:46:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:46:24,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:24,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:24,628 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 22:46:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 45 transitions. [2022-11-21 22:46:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-11-21 22:46:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:46:24,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 51 transitions. [2022-11-21 22:46:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-11-21 22:46:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:46:25,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 57 transitions. [2022-11-21 22:46:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-21 22:46:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:46:26,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:26,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:46:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2022-11-21 22:46:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-21 22:46:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:46:27,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 49 transitions. [2022-11-21 22:46:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-21 22:46:28,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:46:28,087 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 22:46:28,099 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:46:28,251 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:46:28,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:46:28 ImpRootNode [2022-11-21 22:46:28,259 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:46:28,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:46:28,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:46:28,261 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:46:28,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:23" (3/4) ... [2022-11-21 22:46:28,266 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:46:28,276 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:46:28,277 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:46:28,278 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 22:46:28,287 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 22:46:28,288 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 22:46:28,289 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:46:28,289 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:46:28,370 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:46:28,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:46:28,381 INFO L158 Benchmark]: Toolchain (without parser) took 7832.72ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 110.9MB in the beginning and 75.1MB in the end (delta: 35.8MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,382 INFO L158 Benchmark]: CDTParser took 2.06ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 125.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:28,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.27ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 110.9MB in the beginning and 166.7MB in the end (delta: -55.9MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.10ms. Allocated memory is still 203.4MB. Free memory was 166.7MB in the beginning and 163.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,384 INFO L158 Benchmark]: Boogie Preprocessor took 80.09ms. Allocated memory is still 203.4MB. Free memory was 163.6MB in the beginning and 161.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,384 INFO L158 Benchmark]: RCFGBuilder took 784.44ms. Allocated memory is still 203.4MB. Free memory was 161.5MB in the beginning and 140.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,385 INFO L158 Benchmark]: CodeCheck took 5025.03ms. Allocated memory is still 203.4MB. Free memory was 140.5MB in the beginning and 78.1MB in the end (delta: 62.4MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,385 INFO L158 Benchmark]: Witness Printer took 119.62ms. Allocated memory is still 203.4MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:28,388 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 286 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 495 IncrementalHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 196 mSDtfsCounter, 495 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1043 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: 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: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.06ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 125.1MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.27ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 110.9MB in the beginning and 166.7MB in the end (delta: -55.9MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.10ms. Allocated memory is still 203.4MB. Free memory was 166.7MB in the beginning and 163.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.09ms. Allocated memory is still 203.4MB. Free memory was 163.6MB in the beginning and 161.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.44ms. Allocated memory is still 203.4MB. Free memory was 161.5MB in the beginning and 140.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 5025.03ms. Allocated memory is still 203.4MB. Free memory was 140.5MB in the beginning and 78.1MB in the end (delta: 62.4MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Witness Printer took 119.62ms. Allocated memory is still 203.4MB. Free memory was 78.1MB in the beginning and 75.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:46:28,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166a5a9c-3be3-4808-ba88-7ff3ec277fb6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE