./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/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_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/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_eb22a5d9-4567-46c5-8514-c96b1083051d/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 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:34:08,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:34:08,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:34:08,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:34:08,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:34:08,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:34:08,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:34:08,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:34:08,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:34:08,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:34:08,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:34:08,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:34:08,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:34:08,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:34:08,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:34:08,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:34:08,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:34:08,436 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:34:08,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:34:08,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:34:08,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:34:08,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:34:08,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:34:08,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:34:08,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:34:08,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:08,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:34:08,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:34:08,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:34:08,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:34:08,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:34:08,442 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:34:08,442 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_eb22a5d9-4567-46c5-8514-c96b1083051d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88 [2023-12-02 21:34:08,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:34:08,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:34:08,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:34:08,675 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:34:08,676 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:34:08,677 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i [2023-12-02 21:34:11,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:11,703 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:11,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i [2023-12-02 21:34:11,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/data/f52bc8e43/7c6b984aff8e4224ab8dd7edf6ff3b34/FLAGfb62997ce [2023-12-02 21:34:11,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/data/f52bc8e43/7c6b984aff8e4224ab8dd7edf6ff3b34 [2023-12-02 21:34:11,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:11,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:11,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:11,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:11,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:11,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3c88da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:11, skipping insertion in model container [2023-12-02 21:34:11,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:11" (1/1) ... [2023-12-02 21:34:11,824 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:12,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:12,580 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:12,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,768 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:34:12,774 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:12,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12 WrapperNode [2023-12-02 21:34:12,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:12,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:12,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:12,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:12,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,835 INFO L138 Inliner]: procedures = 504, calls = 72, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87 [2023-12-02 21:34:12,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:12,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:12,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:12,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:12,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:12,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:12,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:12,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:12,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:12" (1/1) ... [2023-12-02 21:34:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:12,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:12,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:12,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 21:34:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 21:34:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:34:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:34:12,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:34:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:34:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:34:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-12-02 21:34:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-12-02 21:34:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:12,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:34:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:34:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:34:13,088 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:13,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:13,223 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:13,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:13,256 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:34:13,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:13 BoogieIcfgContainer [2023-12-02 21:34:13,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:13,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:13,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:13,268 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:13,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:13" (1/1) ... [2023-12-02 21:34:13,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-12-02 21:34:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-12-02 21:34:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:34:13,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:13,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:13,647 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 21:34:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2023-12-02 21:34:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-02 21:34:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:34:13,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:13,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:13,874 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 21:34:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 52 transitions. [2023-12-02 21:34:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-02 21:34:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:34:13,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:13,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:14,002 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 21:34:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 53 transitions. [2023-12-02 21:34:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-12-02 21:34:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:34:14,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:14,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:14,085 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 21:34:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 54 transitions. [2023-12-02 21:34:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-12-02 21:34:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:34:14,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 62 transitions. [2023-12-02 21:34:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-12-02 21:34:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:34:14,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:14,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 64 transitions. [2023-12-02 21:34:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-12-02 21:34:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:34:14,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:14,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 70 transitions. [2023-12-02 21:34:15,708 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-12-02 21:34:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:34:15,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:15,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:15,852 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 21:34:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 69 transitions. [2023-12-02 21:34:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-12-02 21:34:16,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:34:16,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:16,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:34:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 57 transitions. [2023-12-02 21:34:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-12-02 21:34:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:34:16,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:34:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 55 transitions. [2023-12-02 21:34:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-12-02 21:34:17,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:34:17,577 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-12-02 21:34:17,585 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 21:34:17,676 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:34:17,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:34:17 ImpRootNode [2023-12-02 21:34:17,681 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:34:17,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:34:17,681 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:34:17,682 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:34:17,682 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:13" (3/4) ... [2023-12-02 21:34:17,684 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:34:17,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 21:34:17,687 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 21:34:17,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-12-02 21:34:17,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-12-02 21:34:17,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 21:34:17,693 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 21:34:17,694 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:34:17,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:34:17,788 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:34:17,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:34:17,789 INFO L158 Benchmark]: Toolchain (without parser) took 6041.89ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 108.7MB in the beginning and 122.7MB in the end (delta: -14.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,789 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:17,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.96ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 101.7MB in the end (delta: 6.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.81ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 98.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,791 INFO L158 Benchmark]: Boogie Preprocessor took 28.77ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,791 INFO L158 Benchmark]: RCFGBuilder took 391.81ms. Allocated memory is still 146.8MB. Free memory was 96.8MB in the beginning and 80.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,792 INFO L158 Benchmark]: CodeCheck took 4422.74ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 80.7MB in the beginning and 127.9MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:34:17,792 INFO L158 Benchmark]: Witness Printer took 106.88ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 122.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:34:17,794 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 316 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 272 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 688 IncrementalHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 272 mSolverCounterUnsat, 244 mSDtfsCounter, 688 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1477 GetRequests, 1384 SyntacticMatches, 9 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1817 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 22/22 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: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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: 1586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.96ms. Allocated memory is still 146.8MB. Free memory was 108.2MB in the beginning and 101.7MB in the end (delta: 6.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.81ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 98.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.77ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.81ms. Allocated memory is still 146.8MB. Free memory was 96.8MB in the beginning and 80.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4422.74ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 80.7MB in the beginning and 127.9MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 106.88ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 122.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:34:17,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb22a5d9-4567-46c5-8514-c96b1083051d/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