./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_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_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi --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 863b78be26a1f5bbd051736740a2d1ea653229cdc463152f37e9b5da9b567772 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:20,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:21,001 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:18:21,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:21,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:21,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:21,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:21,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:21,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:21,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:21,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:21,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:21,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:21,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:21,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:21,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:21,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:21,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:21,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:21,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:21,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:21,072 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:21,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:21,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:21,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:21,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:21,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:21,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:21,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:21,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:21,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:21,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:21,078 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_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 863b78be26a1f5bbd051736740a2d1ea653229cdc463152f37e9b5da9b567772 [2023-11-24 22:18:21,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:21,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:21,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:21,435 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:21,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:21,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_good.i [2023-11-24 22:18:24,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:25,084 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:25,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_08_good.i [2023-11-24 22:18:25,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/data/91182ff8c/1138aa7f716e4757945e5db8da106222/FLAG6ca859b58 [2023-11-24 22:18:25,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/data/91182ff8c/1138aa7f716e4757945e5db8da106222 [2023-11-24 22:18:25,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:25,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:25,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:25,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:25,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:25,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f248ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:25, skipping insertion in model container [2023-11-24 22:18:25,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,242 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:26,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:26,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:26,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:26,631 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:26,631 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:26,633 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:26,634 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:18:26,641 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:26,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26 WrapperNode [2023-11-24 22:18:26,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:26,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:26,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:26,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:26,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,709 INFO L138 Inliner]: procedures = 504, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2023-11-24 22:18:26,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:26,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:26,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:26,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:26,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:26,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:26,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:26,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:26,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:26" (1/1) ... [2023-11-24 22:18:26,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:26,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:26,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:26,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:18:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:18:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:18:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:18:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:26,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:26,837 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-24 22:18:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-24 22:18:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-24 22:18:26,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-24 22:18:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:18:26,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:27,008 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:27,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:27,225 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:27,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:27,332 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:18:27,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27 BoogieIcfgContainer [2023-11-24 22:18:27,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:27,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:27,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:27,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:27,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27" (1/1) ... [2023-11-24 22:18:27,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:18:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 101 transitions. [2023-11-24 22:18:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2023-11-24 22:18:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:18:27,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:18:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 92 transitions. [2023-11-24 22:18:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-24 22:18:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:18:28,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 88 transitions. [2023-11-24 22:18:28,410 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-24 22:18:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:18:28,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 87 transitions. [2023-11-24 22:18:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-24 22:18:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:18:28,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:18:28,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 86 transitions. [2023-11-24 22:18:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-24 22:18:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:18:28,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:18:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 85 transitions. [2023-11-24 22:18:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-24 22:18:28,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:18:28,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:18:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 93 transitions. [2023-11-24 22:18:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-24 22:18:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:18:29,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:29,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:18:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 102 transitions. [2023-11-24 22:18:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-11-24 22:18:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:18:29,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:29,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 22:18:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 63 states and 78 transitions. [2023-11-24 22:18:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-24 22:18:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:18:29,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:29,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-24 22:18:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 77 transitions. [2023-11-24 22:18:29,811 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-24 22:18:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:18:29,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-24 22:18:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 76 transitions. [2023-11-24 22:18:30,272 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2023-11-24 22:18:30,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:18:30,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:30,480 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:18:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:30,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 75 transitions. [2023-11-24 22:18:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2023-11-24 22:18:30,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:18:30,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:18:30,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:18:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:18:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:18:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:18:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 74 transitions. [2023-11-24 22:18:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2023-11-24 22:18:30,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:18:30,883 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-24 22:18:30,895 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:18:31,029 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:18:31,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:18:31 ImpRootNode [2023-11-24 22:18:31,035 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:18:31,036 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:18:31,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:18:31,036 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:18:31,037 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:27" (3/4) ... [2023-11-24 22:18:31,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:18:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:18:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-24 22:18:31,044 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:18:31,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-24 22:18:31,054 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-24 22:18:31,054 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 22:18:31,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:18:31,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:18:31,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:18:31,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:18:31,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:18:31,172 INFO L158 Benchmark]: Toolchain (without parser) took 6034.26ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 137.8MB in the beginning and 124.9MB in the end (delta: 12.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,173 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:31,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1500.30ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 133.7MB in the end (delta: 3.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.89ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 130.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,174 INFO L158 Benchmark]: Boogie Preprocessor took 30.96ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 129.5MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:31,174 INFO L158 Benchmark]: RCFGBuilder took 591.87ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 108.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,175 INFO L158 Benchmark]: CodeCheck took 3700.92ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 108.6MB in the beginning and 131.2MB in the end (delta: -22.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,175 INFO L158 Benchmark]: Witness Printer took 136.05ms. Allocated memory is still 218.1MB. Free memory was 131.2MB in the beginning and 124.9MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:31,177 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 5 procedures, 77 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1877 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 1197 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1093 IncrementalHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 1039 mSDtfsCounter, 1093 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3737 GetRequests, 3685 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 543 NumberOfCodeBlocks, 543 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 531 ConstructedInterpolants, 0 QuantifiedInterpolants, 691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 229/236 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: 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: 1658]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1500.30ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 133.7MB in the end (delta: 3.5MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.89ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 130.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.96ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 129.5MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 591.87ms. Allocated memory is still 180.4MB. Free memory was 129.5MB in the beginning and 108.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3700.92ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 108.6MB in the beginning and 131.2MB in the end (delta: -22.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 136.05ms. Allocated memory is still 218.1MB. Free memory was 131.2MB in the beginning and 124.9MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:18:31,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_803cdb91-80f8-4901-a26b-27f79fe4bfec/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE