./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 2cf567d880b9af8ebe2f79a19812af5be47065ef8b1a49114dffcc4ff3c1f817 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:30,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:30,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:54:30,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:30,689 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:30,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:30,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:30,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:30,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:30,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:30,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:30,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:30,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:30,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:30,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:30,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:30,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:30,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:54:30,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:54:30,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:30,724 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:30,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:30,725 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:30,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:30,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:30,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:30,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:30,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:30,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:30,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:30,729 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:30,730 INFO L153 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_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cf567d880b9af8ebe2f79a19812af5be47065ef8b1a49114dffcc4ff3c1f817 [2023-11-11 23:54:31,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:31,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:31,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:31,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:31,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:31,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_good.i [2023-11-11 23:54:34,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:34,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:34,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_good.i [2023-11-11 23:54:34,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/data/88b45581f/986871e7d92d4d068af7aba8c461ceb2/FLAGe8624ccae [2023-11-11 23:54:34,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/data/88b45581f/986871e7d92d4d068af7aba8c461ceb2 [2023-11-11 23:54:34,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:34,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:34,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:34,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:34,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:34,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:34" (1/1) ... [2023-11-11 23:54:34,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e1c223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:34, skipping insertion in model container [2023-11-11 23:54:34,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:34" (1/1) ... [2023-11-11 23:54:34,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:35,276 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:54:35,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:35,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:35,951 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:54:36,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:36,217 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,218 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,218 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,218 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,219 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:54:36,227 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:36,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36 WrapperNode [2023-11-11 23:54:36,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:36,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:36,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:36,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:36,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,333 INFO L138 Inliner]: procedures = 501, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2023-11-11 23:54:36,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:36,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:36,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:36,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:36,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:36,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:36,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:36,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:36,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:36,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:36,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:54:36,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:54:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:54:36,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:54:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:36,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:54:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:36,737 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:36,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:37,036 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:37,330 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:37,331 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:54:37,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:37 BoogieIcfgContainer [2023-11-11 23:54:37,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:37,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:37,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:37,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:37,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:37" (1/1) ... [2023-11-11 23:54:37,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-11 23:54:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-11 23:54:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:54:37,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:37,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-11 23:54:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-11 23:54:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:37,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:37,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:38,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-11 23:54:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-11 23:54:38,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:38,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:38,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-11 23:54:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:54:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:54:38,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-11 23:54:38,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-11 23:54:38,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:54:38,373 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-11 23:54:38,382 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-11 23:54:38,420 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:54:38,425 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:54:38,426 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-11 23:54:38,431 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:54:38,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:54:38,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:54:38 ImpRootNode [2023-11-11 23:54:38,432 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:54:38,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:54:38,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:54:38,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:54:38,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:37" (3/4) ... [2023-11-11 23:54:38,439 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:54:38,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:54:38,443 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:54:38,452 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-11 23:54:38,452 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-11 23:54:38,453 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:54:38,453 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:54:38,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:54:38,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:54:38,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:54:38,602 INFO L158 Benchmark]: Toolchain (without parser) took 3908.18ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 119.7MB in the beginning and 133.3MB in the end (delta: -13.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,603 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:38,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1532.90ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 72.6MB in the end (delta: 47.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.23ms. Allocated memory is still 161.5MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,604 INFO L158 Benchmark]: Boogie Preprocessor took 77.99ms. Allocated memory is still 161.5MB. Free memory was 69.2MB in the beginning and 128.8MB in the end (delta: -59.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,605 INFO L158 Benchmark]: RCFGBuilder took 920.96ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.8MB in the beginning and 126.2MB in the end (delta: 2.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,605 INFO L158 Benchmark]: CodeCheck took 1097.69ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 138.5MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:38,606 INFO L158 Benchmark]: Witness Printer took 168.55ms. Allocated memory is still 195.0MB. Free memory was 138.5MB in the beginning and 133.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:54:38,608 INFO L338 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 35 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: 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: 1548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1532.90ms. Allocated memory is still 161.5MB. Free memory was 119.7MB in the beginning and 72.6MB in the end (delta: 47.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.23ms. Allocated memory is still 161.5MB. Free memory was 72.1MB in the beginning and 69.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.99ms. Allocated memory is still 161.5MB. Free memory was 69.2MB in the beginning and 128.8MB in the end (delta: -59.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.96ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 128.8MB in the beginning and 126.2MB in the end (delta: 2.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * CodeCheck took 1097.69ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 138.5MB in the end (delta: -12.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 168.55ms. Allocated memory is still 195.0MB. Free memory was 138.5MB in the beginning and 133.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:54:38,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717a9e2c-7315-4218-8de1-c7141a1ef6d1/bin/ukojak-verify-0OAaufAVZV/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