./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_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_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/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_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/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_0f7b94c8-b4cf-416c-a432-5177d45dd095/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 384324b368b765303a3009a7b3feb700d6145dad8e22c9eb322d481f35083e78 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:04:35,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:04:35,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:04:35,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:04:35,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:04:35,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:04:35,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:04:35,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:04:35,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:04:35,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:04:35,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:04:35,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:04:35,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:04:35,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:04:35,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:04:35,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:04:35,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:04:35,754 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:04:35,755 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:04:35,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:04:35,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:04:35,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:04:35,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:04:35,758 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:04:35,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:04:35,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:04:35,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:04:35,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:04:35,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:04:35,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:04:35,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:04:35,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:04:35,762 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_0f7b94c8-b4cf-416c-a432-5177d45dd095/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384324b368b765303a3009a7b3feb700d6145dad8e22c9eb322d481f35083e78 [2023-12-03 02:04:36,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:04:36,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:04:36,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:04:36,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:04:36,074 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:04:36,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i [2023-12-03 02:04:38,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:04:39,242 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:04:39,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_05_good.i [2023-12-03 02:04:39,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/data/8bdb7c148/680086bcec1a46d5a274e2e33f588eff/FLAGd3c31837e [2023-12-03 02:04:39,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/data/8bdb7c148/680086bcec1a46d5a274e2e33f588eff [2023-12-03 02:04:39,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:04:39,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:04:39,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:04:39,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:04:39,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:04:39,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:39" (1/1) ... [2023-12-03 02:04:39,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c358495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:39, skipping insertion in model container [2023-12-03 02:04:39,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:39" (1/1) ... [2023-12-03 02:04:39,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:04:40,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:04:40,177 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:04:40,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:04:40,425 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:40,426 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:40,426 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:40,426 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:40,444 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:04:40,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40 WrapperNode [2023-12-03 02:04:40,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:04:40,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:04:40,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:04:40,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:04:40,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,508 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2023-12-03 02:04:40,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:04:40,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:04:40,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:04:40,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:04:40,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:04:40,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:04:40,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:04:40,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:04:40,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:40,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:04:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:04:40,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:04:40,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:04:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 02:04:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 02:04:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:04:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:04:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:04:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:04:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:04:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:04:40,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:04:40,758 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:04:40,761 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:04:40,936 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:04:40,985 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:04:40,986 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:04:40,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:40 BoogieIcfgContainer [2023-12-03 02:04:40,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:04:40,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:04:40,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:04:40,999 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:04:41,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:40" (1/1) ... [2023-12-03 02:04:41,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:04:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-12-03 02:04:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-12-03 02:04:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:04:41,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:41,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:04:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-12-03 02:04:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 02:04:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:04:41,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:41,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:04:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-12-03 02:04:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-03 02:04:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:04:41,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:41,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:41,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:04:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 61 transitions. [2023-12-03 02:04:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-12-03 02:04:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:04:41,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:04:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 53 transitions. [2023-12-03 02:04:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-12-03 02:04:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:04:41,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:41,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:04:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 56 transitions. [2023-12-03 02:04:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-03 02:04:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:04:42,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:42,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:04:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 52 transitions. [2023-12-03 02:04:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-03 02:04:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:04:42,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:42,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:42,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 56 transitions. [2023-12-03 02:04:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-03 02:04:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:04:42,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 57 transitions. [2023-12-03 02:04:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-12-03 02:04:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:04:42,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 58 transitions. [2023-12-03 02:04:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-12-03 02:04:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:04:43,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:43,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:04:43,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 66 transitions. [2023-12-03 02:04:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-12-03 02:04:43,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:04:43,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:43,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 39 states and 45 transitions. [2023-12-03 02:04:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-12-03 02:04:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:04:43,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:43,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 38 states and 44 transitions. [2023-12-03 02:04:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-12-03 02:04:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:04:43,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:43,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:04:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:04:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:44,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 43 transitions. [2023-12-03 02:04:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-12-03 02:04:44,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:04:44,050 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-12-03 02:04:44,059 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 02:04:44,282 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:04:44,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:04:44 ImpRootNode [2023-12-03 02:04:44,287 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:04:44,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:04:44,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:04:44,288 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:04:44,289 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:40" (3/4) ... [2023-12-03 02:04:44,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:04:44,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 02:04:44,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 02:04:44,303 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 02:04:44,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 02:04:44,304 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 02:04:44,305 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:04:44,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:04:44,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:04:44,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:04:44,409 INFO L158 Benchmark]: Toolchain (without parser) took 5121.12ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 157.4MB in the beginning and 134.1MB in the end (delta: 23.3MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,410 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:04:44,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1154.94ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 160.0MB in the end (delta: -2.6MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 160.0MB in the beginning and 201.5MB in the end (delta: -41.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,412 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 237.0MB. Free memory was 201.5MB in the beginning and 200.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,412 INFO L158 Benchmark]: RCFGBuilder took 453.03ms. Allocated memory is still 237.0MB. Free memory was 200.5MB in the beginning and 181.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,413 INFO L158 Benchmark]: CodeCheck took 3298.87ms. Allocated memory is still 237.0MB. Free memory was 181.6MB in the beginning and 139.3MB in the end (delta: 42.3MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,413 INFO L158 Benchmark]: Witness Printer took 120.63ms. Allocated memory is still 237.0MB. Free memory was 139.3MB in the beginning and 134.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:04:44,415 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1394 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 424 mSDsluCounter, 988 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1244 IncrementalHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 738 mSDtfsCounter, 1244 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2169 GetRequests, 2088 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2482 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 54/54 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: 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 - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1648]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1154.94ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 160.0MB in the end (delta: -2.6MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 160.0MB in the beginning and 201.5MB in the end (delta: -41.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 237.0MB. Free memory was 201.5MB in the beginning and 200.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.03ms. Allocated memory is still 237.0MB. Free memory was 200.5MB in the beginning and 181.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3298.87ms. Allocated memory is still 237.0MB. Free memory was 181.6MB in the beginning and 139.3MB in the end (delta: 42.3MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 120.63ms. Allocated memory is still 237.0MB. Free memory was 139.3MB in the beginning and 134.1MB 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! [2023-12-03 02:04:44,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f7b94c8-b4cf-416c-a432-5177d45dd095/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