./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_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_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ab3133c4bbd859bcf8a25e28bd8ce3c0eb5cb7673080d00228a390ae0db25b8b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:20,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:20,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:20,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:20,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:20,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:20,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:20,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:20,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:20,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:20,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:20,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:20,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:20,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:20,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:20,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:20,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:20,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:20,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:20,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:20,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:20,876 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:20,876 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:20,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:20,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:20,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:20,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:20,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:20,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:20,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:20,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:20,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:20,882 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_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab3133c4bbd859bcf8a25e28bd8ce3c0eb5cb7673080d00228a390ae0db25b8b [2023-11-24 23:08:21,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:21,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:21,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:21,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:21,321 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:21,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i [2023-11-24 23:08:24,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:24,863 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:24,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_21_good.i [2023-11-24 23:08:24,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/data/12cd8a9da/37ca03c90b3545c98ebda3d4313bbd19/FLAG27175fdeb [2023-11-24 23:08:24,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/data/12cd8a9da/37ca03c90b3545c98ebda3d4313bbd19 [2023-11-24 23:08:24,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:24,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:24,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:24,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:24,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:24,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:24,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a849849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:24, skipping insertion in model container [2023-11-24 23:08:24,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:24" (1/1) ... [2023-11-24 23:08:25,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:25,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:26,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:26,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:26,309 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:26,309 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:26,309 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:26,310 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:26,318 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:26,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26 WrapperNode [2023-11-24 23:08:26,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:26,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:26,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:26,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:26,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,445 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 194 [2023-11-24 23:08:26,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:26,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:26,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:26,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:26,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:26,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:26,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:26,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:26,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:26" (1/1) ... [2023-11-24 23:08:26,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:26,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:26,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:26,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:08:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:08:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:26,788 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:26,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:27,157 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:27,499 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:27,499 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:27,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:27 BoogieIcfgContainer [2023-11-24 23:08:27,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:27,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:27,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:27,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:27,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:27" (1/1) ... [2023-11-24 23:08:27,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2023-11-24 23:08:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2023-11-24 23:08:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:08:27,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:27,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:28,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2023-11-24 23:08:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2023-11-24 23:08:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:08:28,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:28,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2023-11-24 23:08:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-24 23:08:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:28,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:28,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:28,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 46 transitions. [2023-11-24 23:08:28,703 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-24 23:08:28,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:28,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:28,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 45 transitions. [2023-11-24 23:08:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-24 23:08:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:29,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:29,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 44 transitions. [2023-11-24 23:08:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-24 23:08:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:29,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:29,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 43 transitions. [2023-11-24 23:08:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-24 23:08:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:08:29,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:29,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:29,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 42 transitions. [2023-11-24 23:08:29,804 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-24 23:08:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:29,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:29,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:29,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 41 transitions. [2023-11-24 23:08:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-24 23:08:29,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:08:29,932 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-24 23:08:29,941 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-24 23:08:30,000 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:08:30,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:30 ImpRootNode [2023-11-24 23:08:30,005 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:30,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:30,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:30,006 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:30,006 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:27" (3/4) ... [2023-11-24 23:08:30,024 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:08:30,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:08:30,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:08:30,045 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-11-24 23:08:30,046 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 23:08:30,046 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:08:30,047 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:08:30,218 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:08:30,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:08:30,221 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:30,222 INFO L158 Benchmark]: Toolchain (without parser) took 5276.86ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 157.8MB in the beginning and 67.6MB in the end (delta: 90.2MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,222 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:30,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1372.86ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 93.7MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.37ms. Allocated memory is still 188.7MB. Free memory was 93.7MB in the beginning and 152.1MB in the end (delta: -58.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,223 INFO L158 Benchmark]: Boogie Preprocessor took 76.23ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:30,224 INFO L158 Benchmark]: RCFGBuilder took 977.10ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 85.0MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,224 INFO L158 Benchmark]: CodeCheck took 2503.25ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 85.0MB in the beginning and 74.9MB in the end (delta: 10.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,225 INFO L158 Benchmark]: Witness Printer took 215.53ms. Allocated memory is still 226.5MB. Free memory was 74.9MB in the beginning and 67.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:08:30,227 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 218 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 815 GetRequests, 789 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 104.7MB in the beginning and 104.5MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1372.86ms. Allocated memory is still 188.7MB. Free memory was 157.8MB in the beginning and 93.7MB in the end (delta: 64.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.37ms. Allocated memory is still 188.7MB. Free memory was 93.7MB in the beginning and 152.1MB in the end (delta: -58.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.23ms. Allocated memory is still 188.7MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 977.10ms. Allocated memory is still 188.7MB. Free memory was 150.0MB in the beginning and 85.0MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * CodeCheck took 2503.25ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 85.0MB in the beginning and 74.9MB in the end (delta: 10.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 215.53ms. Allocated memory is still 226.5MB. Free memory was 74.9MB in the beginning and 67.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:08:30,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fad62640-683c-4f87-87a0-b7548a8f9593/bin/ukojak-verify-afCqCEvfdi/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