./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC --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 2cd0d11998810049a2baba906f2a71a74cc610efe5d43741e711d3ada6b232c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:46,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:46,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:19:46,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:46,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:47,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:47,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:47,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:47,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:47,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:47,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:47,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:47,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:47,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:47,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:47,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:47,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:47,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:47,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:47,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:47,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:47,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:47,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:47,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:47,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:47,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:47,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:47,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:47,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:47,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:47,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:47,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:47,025 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_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cd0d11998810049a2baba906f2a71a74cc610efe5d43741e711d3ada6b232c0 [2023-11-23 20:19:47,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:47,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:47,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:47,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:47,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:47,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_good.i [2023-11-23 20:19:50,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:50,979 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:50,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_45_good.i [2023-11-23 20:19:51,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/data/b80a62a34/2f9771c54a3a43e2a4fadb69cdf8252d/FLAG85ffdbd16 [2023-11-23 20:19:51,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/data/b80a62a34/2f9771c54a3a43e2a4fadb69cdf8252d [2023-11-23 20:19:51,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:51,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:51,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:51,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:51,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:51,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d3d5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:51, skipping insertion in model container [2023-11-23 20:19:51,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:51" (1/1) ... [2023-11-23 20:19:51,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:51,578 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:52,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:52,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:52,280 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:19:52,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:52,579 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:52,579 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:52,580 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:52,580 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:52,580 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:52,588 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:52,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52 WrapperNode [2023-11-23 20:19:52,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:52,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:52,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:52,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:52,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,692 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 61 [2023-11-23 20:19:52,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:52,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:52,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:52,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:52,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:52,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:52,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:52,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:52,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:52" (1/1) ... [2023-11-23 20:19:52,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:52,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:52,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:52,844 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:19:52,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:19:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:19:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:19:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:52,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:52,845 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:19:52,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:53,057 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:53,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:53,247 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:53,312 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:19:53,312 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:19:53,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:53 BoogieIcfgContainer [2023-11-23 20:19:53,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:19:53,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:19:53,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:19:53,330 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:19:53,330 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:53" (1/1) ... [2023-11-23 20:19:53,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:19:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-23 20:19:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-23 20:19:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:19:53,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-23 20:19:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-23 20:19:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:19:53,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-23 20:19:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-23 20:19:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:19:53,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:19:53,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:19:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:19:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:19:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:19:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 18 transitions. [2023-11-23 20:19:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-23 20:19:54,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:19:54,098 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-23 20:19:54,107 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:19:54,126 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:19:54,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:19:54 ImpRootNode [2023-11-23 20:19:54,130 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:19:54,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:19:54,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:19:54,132 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:19:54,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:19:53" (3/4) ... [2023-11-23 20:19:54,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:19:54,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:19:54,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:19:54,142 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-23 20:19:54,143 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:19:54,143 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:19:54,144 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:19:54,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:19:54,239 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:19:54,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:19:54,240 INFO L158 Benchmark]: Toolchain (without parser) took 3186.38ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 109.7MB in the beginning and 108.1MB in the end (delta: 1.6MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,241 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:54,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.93ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 109.7MB in the beginning and 167.8MB in the end (delta: -58.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.04ms. Allocated memory is still 230.7MB. Free memory was 167.8MB in the beginning and 164.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,245 INFO L158 Benchmark]: Boogie Preprocessor took 58.88ms. Allocated memory is still 230.7MB. Free memory was 164.6MB in the beginning and 163.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,245 INFO L158 Benchmark]: RCFGBuilder took 563.48ms. Allocated memory is still 230.7MB. Free memory was 163.6MB in the beginning and 147.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,245 INFO L158 Benchmark]: CodeCheck took 812.57ms. Allocated memory is still 230.7MB. Free memory was 147.9MB in the beginning and 113.3MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,246 INFO L158 Benchmark]: Witness Printer took 108.24ms. Allocated memory is still 230.7MB. Free memory was 112.2MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:19:54,255 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 25 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: 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: 1600]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.93ms. Allocated memory was 159.4MB in the beginning and 230.7MB in the end (delta: 71.3MB). Free memory was 109.7MB in the beginning and 167.8MB in the end (delta: -58.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.04ms. Allocated memory is still 230.7MB. Free memory was 167.8MB in the beginning and 164.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.88ms. Allocated memory is still 230.7MB. Free memory was 164.6MB in the beginning and 163.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.48ms. Allocated memory is still 230.7MB. Free memory was 163.6MB in the beginning and 147.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 812.57ms. Allocated memory is still 230.7MB. Free memory was 147.9MB in the beginning and 113.3MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 108.24ms. Allocated memory is still 230.7MB. Free memory was 112.2MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:19:54,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_952e3b4f-6f4e-4f4d-976f-2f08f3c95a49/bin/ukojak-verify-1t5iHCbJaC/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