./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9 --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 b49c23b5e84f444ba875cb9db05d57606796c77a7496e55bb87b1316e9cef87c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:58:22,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:58:22,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 20:58:22,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:58:22,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:58:22,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:58:22,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:58:22,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:58:22,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:58:22,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:58:22,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:58:22,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:58:22,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:58:22,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:58:22,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:58:22,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:58:22,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:58:22,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:58:22,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:58:22,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:58:22,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:58:22,168 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:58:22,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:58:22,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:58:22,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:58:22,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:22,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:58:22,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:58:22,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:58:22,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:58:22,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:58:22,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:58:22,172 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_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b49c23b5e84f444ba875cb9db05d57606796c77a7496e55bb87b1316e9cef87c [2023-12-02 20:58:22,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:58:22,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:58:22,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:58:22,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:58:22,431 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:58:22,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_02_good.i [2023-12-02 20:58:25,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:58:25,394 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:58:25,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_02_good.i [2023-12-02 20:58:25,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/data/27fa5c93a/2c7960db5e3042f4b1ee5e7b32a4aa62/FLAG7fdcb51d4 [2023-12-02 20:58:25,432 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/data/27fa5c93a/2c7960db5e3042f4b1ee5e7b32a4aa62 [2023-12-02 20:58:25,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:58:25,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:58:25,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:25,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:58:25,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:58:25,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:25" (1/1) ... [2023-12-02 20:58:25,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac08391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:25, skipping insertion in model container [2023-12-02 20:58:25,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:58:25" (1/1) ... [2023-12-02 20:58:25,532 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:58:26,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:26,308 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:58:26,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:58:26,528 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:26,528 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:26,528 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:26,529 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:58:26,536 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:58:26,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26 WrapperNode [2023-12-02 20:58:26,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:58:26,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:26,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:58:26,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:58:26,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,601 INFO L138 Inliner]: procedures = 502, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2023-12-02 20:58:26,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:58:26,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:58:26,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:58:26,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:58:26,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:58:26,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:58:26,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:58:26,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:58:26,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:58:26" (1/1) ... [2023-12-02 20:58:26,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:58:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:58:26,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:58:26,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:58:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 20:58:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 20:58:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 20:58:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 20:58:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:58:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:58:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:58:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:58:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:58:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:58:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 20:58:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:58:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:58:26,842 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:58:26,844 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:58:26,998 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:58:27,063 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:58:27,063 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 20:58:27,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:27 BoogieIcfgContainer [2023-12-02 20:58:27,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:58:27,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:58:27,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:58:27,075 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:58:27,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:27" (1/1) ... [2023-12-02 20:58:27,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:58:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-12-02 20:58:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-02 20:58:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 20:58:27,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:27,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 60 transitions. [2023-12-02 20:58:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-12-02 20:58:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 20:58:27,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:58:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 59 transitions. [2023-12-02 20:58:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-12-02 20:58:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 20:58:27,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:58:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 57 transitions. [2023-12-02 20:58:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-12-02 20:58:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 20:58:28,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:28,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 20:58:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 56 transitions. [2023-12-02 20:58:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-02 20:58:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 20:58:28,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:58:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 50 transitions. [2023-12-02 20:58:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-12-02 20:58:28,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 20:58:28,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:28,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:58:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 49 transitions. [2023-12-02 20:58:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-12-02 20:58:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 20:58:28,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:58:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 47 transitions. [2023-12-02 20:58:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-12-02 20:58:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 20:58:28,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:58:28,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:58:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 20:58:28,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:58:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 46 transitions. [2023-12-02 20:58:28,817 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-02 20:58:28,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 20:58:28,818 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-02 20:58:28,827 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 20:58:28,873 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 20:58:28,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:58:28 ImpRootNode [2023-12-02 20:58:28,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 20:58:28,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:58:28,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:58:28,879 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:58:28,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:58:27" (3/4) ... [2023-12-02 20:58:28,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:58:28,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 20:58:28,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 20:58:28,890 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-12-02 20:58:28,891 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 20:58:28,891 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 20:58:28,892 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 20:58:28,987 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 20:58:28,988 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 20:58:28,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:58:28,989 INFO L158 Benchmark]: Toolchain (without parser) took 3552.89ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 133.7MB in the beginning and 112.8MB in the end (delta: 20.9MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,989 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:28,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1100.07ms. Allocated memory is still 176.2MB. Free memory was 133.1MB in the beginning and 88.4MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 176.2MB. Free memory was 88.4MB in the beginning and 85.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,990 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 176.2MB. Free memory was 85.3MB in the beginning and 83.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,991 INFO L158 Benchmark]: RCFGBuilder took 431.48ms. Allocated memory is still 176.2MB. Free memory was 83.8MB in the beginning and 63.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,991 INFO L158 Benchmark]: CodeCheck took 1813.14ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 63.4MB in the beginning and 117.9MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:58:28,991 INFO L158 Benchmark]: Witness Printer took 109.12ms. Allocated memory is still 211.8MB. Free memory was 117.9MB in the beginning and 112.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:58:28,993 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, 51 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 152 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 144 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1014 GetRequests, 986 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1100.07ms. Allocated memory is still 176.2MB. Free memory was 133.1MB in the beginning and 88.4MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 176.2MB. Free memory was 88.4MB in the beginning and 85.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 176.2MB. Free memory was 85.3MB in the beginning and 83.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.48ms. Allocated memory is still 176.2MB. Free memory was 83.8MB in the beginning and 63.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1813.14ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 63.4MB in the beginning and 117.9MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.12ms. Allocated memory is still 211.8MB. Free memory was 117.9MB in the beginning and 112.8MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 20:58:29,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6da6d48-adb0-444a-8453-5828fc244178/bin/ukojak-verify-Qdu7aM0XO9/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