./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_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_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/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_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/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_8c067999-4c01-44d0-8532-ad764fffc20a/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 b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:46:04,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:46:04,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:46:04,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:46:04,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:46:04,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:46:04,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:46:04,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:46:04,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:46:04,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:46:04,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:46:04,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:46:04,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:46:04,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:46:04,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:46:04,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:46:04,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:46:04,913 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:46:04,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:46:04,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:46:04,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:46:04,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:46:04,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:46:04,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:46:04,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:46:04,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:04,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:46:04,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:46:04,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:46:04,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:46:04,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:46:04,920 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:46:04,920 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_8c067999-4c01-44d0-8532-ad764fffc20a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3daf7c2b21363a6fa082024a8b58d98eff7b694232e3df7b2195b300490e2ad [2023-12-02 23:46:05,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:46:05,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:46:05,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:46:05,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:46:05,151 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:46:05,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2023-12-02 23:46:07,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:46:08,169 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:46:08,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_good.i [2023-12-02 23:46:08,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/data/623d5a107/18c68c06f0724624be37f2de65b63023/FLAGb2c575b30 [2023-12-02 23:46:08,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/data/623d5a107/18c68c06f0724624be37f2de65b63023 [2023-12-02 23:46:08,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:46:08,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:46:08,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:08,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:46:08,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:46:08,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:08" (1/1) ... [2023-12-02 23:46:08,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e58cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:08, skipping insertion in model container [2023-12-02 23:46:08,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:46:08" (1/1) ... [2023-12-02 23:46:08,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:46:09,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:09,095 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:46:09,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:46:09,334 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:46:09,334 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:46:09,334 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:46:09,334 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:46:09,342 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:46:09,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09 WrapperNode [2023-12-02 23:46:09,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:46:09,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:09,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:46:09,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:46:09,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,400 INFO L138 Inliner]: procedures = 502, calls = 62, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-12-02 23:46:09,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:46:09,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:46:09,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:46:09,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:46:09,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:46:09,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:46:09,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:46:09,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:46:09,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:46:09" (1/1) ... [2023-12-02 23:46:09,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:46:09,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:46:09,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:46:09,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:46:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 23:46:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 23:46:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:46:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:46:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:46:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:46:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:46:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:46:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:46:09,635 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:46:09,637 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:46:09,830 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:46:10,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:46:10,022 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:46:10,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:10 BoogieIcfgContainer [2023-12-02 23:46:10,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:46:10,025 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:46:10,025 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:46:10,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:46:10,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:10" (1/1) ... [2023-12-02 23:46:10,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:46:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-12-02 23:46:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-12-02 23:46:10,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:46:10,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:10,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-12-02 23:46:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-12-02 23:46:10,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:46:10,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-12-02 23:46:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-12-02 23:46:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:46:10,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-12-02 23:46:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-12-02 23:46:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:46:10,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:10,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:46:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:46:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-12-02 23:46:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-12-02 23:46:10,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:46:10,759 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 23:46:10,768 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 23:46:10,795 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:46:10,799 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:46:10,799 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:46:10,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:46:10 ImpRootNode [2023-12-02 23:46:10,799 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:46:10,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:46:10,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:46:10,800 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:46:10,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:46:10" (3/4) ... [2023-12-02 23:46:10,802 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:46:10,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 23:46:10,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 23:46:10,810 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-12-02 23:46:10,811 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 23:46:10,811 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:46:10,812 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:46:10,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:46:10,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:46:10,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:46:10,904 INFO L158 Benchmark]: Toolchain (without parser) took 2692.00ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 117.3MB in the beginning and 158.3MB in the end (delta: -41.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,904 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:46:10,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1129.57ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 96.4MB in the end (delta: 20.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.67ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 93.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,905 INFO L158 Benchmark]: Boogie Preprocessor took 26.45ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,906 INFO L158 Benchmark]: RCFGBuilder took 595.36ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 105.5MB in the end (delta: -14.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,906 INFO L158 Benchmark]: CodeCheck took 774.96ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 105.5MB in the beginning and 164.6MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:46:10,906 INFO L158 Benchmark]: Witness Printer took 103.43ms. Allocated memory is still 213.9MB. Free memory was 164.6MB in the beginning and 158.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:46:10,908 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, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 38 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1570]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1129.57ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 96.4MB in the end (delta: 20.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.67ms. Allocated memory is still 159.4MB. Free memory was 95.8MB in the beginning and 93.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.45ms. Allocated memory is still 159.4MB. Free memory was 93.0MB in the beginning and 90.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.36ms. Allocated memory is still 159.4MB. Free memory was 90.9MB in the beginning and 105.5MB in the end (delta: -14.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * CodeCheck took 774.96ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 105.5MB in the beginning and 164.6MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.43ms. Allocated memory is still 213.9MB. Free memory was 164.6MB in the beginning and 158.3MB 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! [2023-12-02 23:46:10,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c067999-4c01-44d0-8532-ad764fffc20a/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