./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk --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 bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:16:56,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:16:57,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:16:57,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:16:57,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:16:57,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:16:57,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:16:57,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:16:57,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:16:57,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:16:57,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:16:57,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:16:57,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:16:57,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:16:57,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:16:57,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:16:57,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:16:57,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:16:57,072 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:16:57,072 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:16:57,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:16:57,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:16:57,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:16:57,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:16:57,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:16:57,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:16:57,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:16:57,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:16:57,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:16:57,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:16:57,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:16:57,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:16:57,083 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_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbc91130461471a924c9b7d42b69988876440be9da9cf52278e4a7d2ea580f0 [2024-11-08 23:16:57,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:16:57,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:16:57,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:16:57,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:16:57,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:16:57,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-dietlibc/strtol.i Unable to find full path for "g++" [2024-11-08 23:16:59,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:16:59,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:16:59,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/sv-benchmarks/c/termination-dietlibc/strtol.i [2024-11-08 23:16:59,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/data/80851aa28/e3ca828f95b34c208cbfb8b2f0c7aca0/FLAG25a8dcb4d [2024-11-08 23:16:59,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/data/80851aa28/e3ca828f95b34c208cbfb8b2f0c7aca0 [2024-11-08 23:16:59,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:16:59,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:16:59,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:16:59,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:16:59,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:16:59,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:59" (1/1) ... [2024-11-08 23:16:59,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e36d482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:16:59, skipping insertion in model container [2024-11-08 23:16:59,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:16:59" (1/1) ... [2024-11-08 23:16:59,833 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:00,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:00,265 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:00,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:00,385 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:00,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00 WrapperNode [2024-11-08 23:17:00,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:00,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:00,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:00,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:00,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,460 INFO L138 Inliner]: procedures = 116, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 207 [2024-11-08 23:17:00,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:00,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:00,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:00,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:00,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:00,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:00,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:00,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:00,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:00" (1/1) ... [2024-11-08 23:17:00,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:00,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:17:00,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:17:00,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:17:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:17:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:17:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:17:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:17:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:17:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:17:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-08 23:17:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:00,710 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:00,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:01,283 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:01,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:01,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:01,450 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 23:17:01,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:01 BoogieIcfgContainer [2024-11-08 23:17:01,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:01,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:01,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:01,465 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:01,466 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:01" (1/1) ... [2024-11-08 23:17:01,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2024-11-08 23:17:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2024-11-08 23:17:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:17:01,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:01,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2024-11-08 23:17:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-11-08 23:17:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:17:01,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:01,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2024-11-08 23:17:02,020 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-11-08 23:17:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:17:02,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2024-11-08 23:17:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2024-11-08 23:17:02,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:17:02,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2024-11-08 23:17:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2024-11-08 23:17:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:17:02,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2024-11-08 23:17:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2024-11-08 23:17:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:17:02,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 80 states and 105 transitions. [2024-11-08 23:17:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2024-11-08 23:17:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:17:02,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:02,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:17:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 80 states and 104 transitions. [2024-11-08 23:17:03,167 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2024-11-08 23:17:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:17:03,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:17:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 82 states and 105 transitions. [2024-11-08 23:17:03,381 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2024-11-08 23:17:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:17:03,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:03,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 86 states and 113 transitions. [2024-11-08 23:17:03,999 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2024-11-08 23:17:04,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:17:04,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:17:04,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 114 transitions. [2024-11-08 23:17:04,191 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 114 transitions. [2024-11-08 23:17:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:17:04,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:04,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:04,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:04,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2024-11-08 23:17:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2024-11-08 23:17:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:17:04,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:17:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 94 states and 124 transitions. [2024-11-08 23:17:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 124 transitions. [2024-11-08 23:17:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:17:05,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:05,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:17:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 97 states and 127 transitions. [2024-11-08 23:17:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2024-11-08 23:17:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:17:05,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 97 states and 125 transitions. [2024-11-08 23:17:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2024-11-08 23:17:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:17:05,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:05,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:17:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 98 states and 125 transitions. [2024-11-08 23:17:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2024-11-08 23:17:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:17:06,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:06,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:06,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:06,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:17:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:17:06,457 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-11-08 23:17:06,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:17:06 ImpRootNode [2024-11-08 23:17:06,507 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:17:06,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:17:06,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:17:06,508 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:17:06,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:01" (3/4) ... [2024-11-08 23:17:06,510 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:17:06,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aab1f220-c558-4bd6-9020-6a958218d19f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:17:06,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:17:06,598 INFO L158 Benchmark]: Toolchain (without parser) took 6822.38ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 105.7MB in the beginning and 186.9MB in the end (delta: -81.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,603 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory was 85.8MB in the beginning and 85.7MB in the end (delta: 121.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.66ms. Allocated memory is still 138.4MB. Free memory was 105.5MB in the beginning and 85.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 138.4MB. Free memory was 85.4MB in the beginning and 82.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,604 INFO L158 Benchmark]: Boogie Preprocessor took 50.22ms. Allocated memory is still 138.4MB. Free memory was 82.7MB in the beginning and 80.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,605 INFO L158 Benchmark]: RCFGBuilder took 938.72ms. Allocated memory was 138.4MB in the beginning and 190.8MB in the end (delta: 52.4MB). Free memory was 80.6MB in the beginning and 145.2MB in the end (delta: -64.6MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,606 INFO L158 Benchmark]: CodeCheck took 5055.39ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 145.2MB in the beginning and 190.1MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:17:06,606 INFO L158 Benchmark]: Witness Printer took 89.71ms. Allocated memory is still 230.7MB. Free memory was 190.1MB in the beginning and 186.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:17:06,613 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 1 procedures, 64 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 685 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 539 mSDsluCounter, 200 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 363 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1723 IncrementalHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 363 mSolverCounterUnsat, 78 mSDtfsCounter, 1723 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1150 GetRequests, 1010 SyntacticMatches, 52 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3581 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 26/44 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 - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L562] int in_len = __VERIFIER_nondet_int(); [L563] COND FALSE !(in_len < 1) [L564] char* in = __builtin_alloca (in_len); [L565] int i=0; VAL [i=0, in={2:0}, in_len=1] [L565] EXPR in_len-1 VAL [i=0, in={2:0}, in_len=1] [L565] COND FALSE !(i