./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/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_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/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_6bfc943c-4016-4bf0-9678-ccd6e7989963/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 169d7f5b82fb1286c6ff57c20a0e8dff2b06cfa99141cc39ea62a5871bc49d72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:33:47,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:33:47,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:33:47,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:33:47,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:33:47,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:33:47,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:33:47,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:33:47,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:33:47,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:33:47,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:33:47,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:33:47,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:33:47,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:33:47,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:33:47,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:33:47,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:33:47,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:33:47,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:33:47,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:33:47,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:33:47,758 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:33:47,758 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:33:47,759 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:33:47,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:33:47,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:33:47,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:33:47,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:33:47,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:33:47,762 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:33:47,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:33:47,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:33:47,763 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_6bfc943c-4016-4bf0-9678-ccd6e7989963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 169d7f5b82fb1286c6ff57c20a0e8dff2b06cfa99141cc39ea62a5871bc49d72 [2023-12-03 03:33:47,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:33:48,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:33:48,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:33:48,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:33:48,021 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:33:48,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_good.i [2023-12-03 03:33:50,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:33:51,139 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:33:51,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_13_good.i [2023-12-03 03:33:51,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/data/541f89876/2d5ddc8e4e26459fa0224766ab60dffb/FLAGd6490a0ce [2023-12-03 03:33:51,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/data/541f89876/2d5ddc8e4e26459fa0224766ab60dffb [2023-12-03 03:33:51,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:33:51,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:33:51,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:33:51,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:33:51,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:33:51,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:33:51" (1/1) ... [2023-12-03 03:33:51,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7496b75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:51, skipping insertion in model container [2023-12-03 03:33:51,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:33:51" (1/1) ... [2023-12-03 03:33:51,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:33:52,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:33:52,152 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:33:52,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:33:52,384 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:52,384 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:52,384 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:52,384 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:52,384 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:52,392 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:33:52,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52 WrapperNode [2023-12-03 03:33:52,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:33:52,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:33:52,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:33:52,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:33:52,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,456 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-12-03 03:33:52,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:33:52,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:33:52,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:33:52,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:33:52,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:33:52,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:33:52,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:33:52,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:33:52,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:33:52,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:33:52,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:33:52,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:33:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:33:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:33:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:33:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:33:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:33:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:33:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:33:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:33:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:33:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:33:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:33:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:33:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:33:52,711 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:33:52,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:33:52,915 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:33:52,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:33:52,956 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:33:52,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:33:52 BoogieIcfgContainer [2023-12-03 03:33:52,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:33:52,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:33:52,959 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:33:52,970 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:33:52,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:33:52" (1/1) ... [2023-12-03 03:33:52,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:33:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-12-03 03:33:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-12-03 03:33:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:33:53,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:53,289 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 03:33:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 82 transitions. [2023-12-03 03:33:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-03 03:33:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:33:53,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:53,471 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 03:33:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 81 transitions. [2023-12-03 03:33:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-03 03:33:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:33:53,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:53,606 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 03:33:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 88 transitions. [2023-12-03 03:33:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-03 03:33:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:33:53,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:53,805 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 03:33:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 80 transitions. [2023-12-03 03:33:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-03 03:33:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:33:53,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:53,962 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 03:33:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 82 transitions. [2023-12-03 03:33:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-12-03 03:33:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:33:54,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,135 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 03:33:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 85 transitions. [2023-12-03 03:33:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2023-12-03 03:33:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:33:54,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,215 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 03:33:54,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 84 transitions. [2023-12-03 03:33:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-12-03 03:33:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:33:54,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,472 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 03:33:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 64 states and 83 transitions. [2023-12-03 03:33:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-12-03 03:33:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:33:54,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,606 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 03:33:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 91 transitions. [2023-12-03 03:33:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2023-12-03 03:33:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:33:54,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,761 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 03:33:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 63 states and 81 transitions. [2023-12-03 03:33:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-12-03 03:33:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:33:54,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:54,814 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 03:33:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 83 transitions. [2023-12-03 03:33:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-12-03 03:33:54,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:33:54,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:54,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,056 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 03:33:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 59 states and 75 transitions. [2023-12-03 03:33:55,238 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-03 03:33:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:33:55,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:55,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,278 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 03:33:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 72 transitions. [2023-12-03 03:33:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-12-03 03:33:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:33:55,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:55,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,463 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 03:33:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 76 transitions. [2023-12-03 03:33:55,557 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-12-03 03:33:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:33:55,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:55,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:55,720 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 03:33:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:55,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 81 transitions. [2023-12-03 03:33:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-12-03 03:33:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:33:55,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:56,033 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 03:33:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 65 states and 84 transitions. [2023-12-03 03:33:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-12-03 03:33:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 03:33:56,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:56,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:56,287 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 03:33:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:56,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 65 transitions. [2023-12-03 03:33:56,591 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-12-03 03:33:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:33:56,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:56,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:56,784 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 03:33:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 52 states and 64 transitions. [2023-12-03 03:33:57,269 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-12-03 03:33:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:33:57,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:33:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:33:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:33:57,456 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 03:33:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:33:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 51 states and 63 transitions. [2023-12-03 03:33:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-03 03:33:57,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:33:57,781 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-12-03 03:33:57,791 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:33:57,998 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:33:58,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:33:58 ImpRootNode [2023-12-03 03:33:58,004 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:33:58,005 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:33:58,005 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:33:58,005 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:33:58,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:33:52" (3/4) ... [2023-12-03 03:33:58,008 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:33:58,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:33:58,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:33:58,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-03 03:33:58,019 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:33:58,019 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:33:58,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:33:58,020 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:33:58,134 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:33:58,135 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:33:58,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:33:58,136 INFO L158 Benchmark]: Toolchain (without parser) took 6957.59ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 119.5MB in the beginning and 65.2MB in the end (delta: 54.3MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,137 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:33:58,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1212.52ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 96.1MB in the end (delta: 23.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.46ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 92.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,138 INFO L158 Benchmark]: Boogie Preprocessor took 32.63ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,138 INFO L158 Benchmark]: RCFGBuilder took 467.41ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 70.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,139 INFO L158 Benchmark]: CodeCheck took 5045.62ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 71.5MB in the end (delta: -612.3kB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,139 INFO L158 Benchmark]: Witness Printer took 130.83ms. Allocated memory is still 207.6MB. Free memory was 71.5MB in the beginning and 65.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:33:58,142 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2504 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 804 mSDsluCounter, 2430 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 832 mSDsCounter, 534 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1774 IncrementalHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 534 mSolverCounterUnsat, 1598 mSDtfsCounter, 1774 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3817 GetRequests, 3709 SyntacticMatches, 10 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3720 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 66/66 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: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1212.52ms. Allocated memory is still 167.8MB. Free memory was 119.5MB in the beginning and 96.1MB in the end (delta: 23.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.46ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 92.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.63ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.41ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 70.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5045.62ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 70.9MB in the beginning and 71.5MB in the end (delta: -612.3kB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 130.83ms. Allocated memory is still 207.6MB. Free memory was 71.5MB in the beginning and 65.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:33:58,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfc943c-4016-4bf0-9678-ccd6e7989963/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