./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_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_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/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_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/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_3ce681b4-0e40-472c-9264-93883a30c901/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 c6ca409289d292f371a3f6f14c8d6e6b8b567cf9400c71836e3e274db2ae105b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:04:56,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:04:56,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:04:56,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:04:56,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:04:56,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:04:56,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:04:56,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:04:56,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:04:56,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:04:56,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:04:56,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:04:56,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:04:56,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:04:56,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:04:56,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:04:56,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:04:56,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:04:56,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:04:56,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:04:56,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:04:56,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:04:56,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:04:56,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:04:56,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:04:56,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:04:56,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:04:56,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:04:56,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:04:56,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:04:56,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:04:56,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:04:56,372 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_3ce681b4-0e40-472c-9264-93883a30c901/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6ca409289d292f371a3f6f14c8d6e6b8b567cf9400c71836e3e274db2ae105b [2023-12-02 21:04:56,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:04:56,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:04:56,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:04:56,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:04:56,626 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:04:56,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_good.i [2023-12-02 21:04:59,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:04:59,764 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:04:59,765 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_good.i [2023-12-02 21:04:59,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/data/839a77411/193324fb255f426291f419c31389c90b/FLAGe61af8807 [2023-12-02 21:04:59,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/data/839a77411/193324fb255f426291f419c31389c90b [2023-12-02 21:04:59,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:04:59,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:04:59,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:04:59,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:04:59,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:04:59,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:59" (1/1) ... [2023-12-02 21:04:59,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5eb81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:59, skipping insertion in model container [2023-12-02 21:04:59,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:59" (1/1) ... [2023-12-02 21:04:59,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:05:00,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:05:00,712 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:05:00,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:05:00,967 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:05:00,967 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:05:00,968 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:05:00,968 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:05:00,968 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:05:00,976 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:05:00,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00 WrapperNode [2023-12-02 21:05:00,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:05:00,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:05:00,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:05:00,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:05:00,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,012 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,034 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2023-12-02 21:05:01,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:05:01,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:05:01,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:05:01,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:05:01,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:05:01,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:05:01,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:05:01,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:05:01,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:05:00" (1/1) ... [2023-12-02 21:05:01,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:05:01,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:05:01,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:05:01,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:05:01,132 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 21:05:01,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 21:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 21:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:05:01,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 21:05:01,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:05:01,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:05:01,277 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:05:01,279 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:05:01,404 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:05:01,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:05:01,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:05:01,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:05:01 BoogieIcfgContainer [2023-12-02 21:05:01,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:05:01,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:05:01,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:05:01,460 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:05:01,460 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:05:01" (1/1) ... [2023-12-02 21:05:01,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:05:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-12-02 21:05:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-12-02 21:05:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:05:01,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:01,809 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 21:05:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:01,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-12-02 21:05:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-12-02 21:05:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:05:01,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:01,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:01,957 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 21:05:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-12-02 21:05:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-12-02 21:05:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:05:02,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:02,126 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 21:05:02,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 33 transitions. [2023-12-02 21:05:02,168 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-12-02 21:05:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:05:02,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:02,240 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 21:05:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 32 transitions. [2023-12-02 21:05:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-12-02 21:05:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:05:02,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:02,342 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 21:05:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:02,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 31 transitions. [2023-12-02 21:05:02,358 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-12-02 21:05:02,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:05:02,359 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-02 21:05:02,367 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 21:05:02,403 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:05:02,406 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:05:02,407 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:05:02,407 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:05:02,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:05:02 ImpRootNode [2023-12-02 21:05:02,407 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:05:02,408 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:05:02,408 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:05:02,408 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:05:02,409 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:05:01" (3/4) ... [2023-12-02 21:05:02,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:05:02,413 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 21:05:02,413 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 21:05:02,417 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-02 21:05:02,417 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-12-02 21:05:02,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:05:02,418 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:05:02,497 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:05:02,497 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:05:02,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:05:02,498 INFO L158 Benchmark]: Toolchain (without parser) took 2696.40ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 111.7MB in the beginning and 154.9MB in the end (delta: -43.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,499 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:05:02,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.67ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 111.3MB in the beginning and 171.7MB in the end (delta: -60.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.19ms. Allocated memory is still 207.6MB. Free memory was 171.7MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,500 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 207.6MB. Free memory was 168.6MB in the beginning and 167.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,501 INFO L158 Benchmark]: RCFGBuilder took 383.80ms. Allocated memory is still 207.6MB. Free memory was 167.5MB in the beginning and 150.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,501 INFO L158 Benchmark]: CodeCheck took 958.11ms. Allocated memory is still 207.6MB. Free memory was 150.7MB in the beginning and 160.2MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:05:02,501 INFO L158 Benchmark]: Witness Printer took 89.73ms. Allocated memory is still 207.6MB. Free memory was 160.2MB in the beginning and 154.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:05:02,503 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, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 82 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 404 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: 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: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 119.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.67ms. Allocated memory was 153.1MB in the beginning and 207.6MB in the end (delta: 54.5MB). Free memory was 111.3MB in the beginning and 171.7MB in the end (delta: -60.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.19ms. Allocated memory is still 207.6MB. Free memory was 171.7MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 207.6MB. Free memory was 168.6MB in the beginning and 167.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.80ms. Allocated memory is still 207.6MB. Free memory was 167.5MB in the beginning and 150.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 958.11ms. Allocated memory is still 207.6MB. Free memory was 150.7MB in the beginning and 160.2MB in the end (delta: -9.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.73ms. Allocated memory is still 207.6MB. Free memory was 160.2MB in the beginning and 154.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:05:02,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce681b4-0e40-472c-9264-93883a30c901/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