./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/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_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:33,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:33,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:32:33,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:32:33,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:32:33,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:33,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:33,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:33,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:33,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:33,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:33,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:33,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:32:33,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:32:33,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:32:33,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:33,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:33,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:33,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:33,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:33,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:32:33,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:33,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:33,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:33,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:33,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:33,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:33,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:33,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:33,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:33,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:33,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:32:33,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:32:33,474 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_965c0249-2fa9-4275-9174-ea6196961d81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c [2024-11-08 19:32:33,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:33,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:33,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:33,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:33,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:33,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i Unable to find full path for "g++" [2024-11-08 19:32:35,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:36,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:36,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-11-08 19:32:36,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/7d43976a7/66edf955648147eaae512fa5c3f71235/FLAG0bbe1486d [2024-11-08 19:32:36,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/7d43976a7/66edf955648147eaae512fa5c3f71235 [2024-11-08 19:32:36,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:36,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:36,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:36,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:36,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:36,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b351fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36, skipping insertion in model container [2024-11-08 19:32:36,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,528 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:36,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-11-08 19:32:36,764 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-11-08 19:32:36,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:36,779 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:36,796 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-11-08 19:32:36,810 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-11-08 19:32:36,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:36,835 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:36,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36 WrapperNode [2024-11-08 19:32:36,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:36,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:36,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:36,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:36,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,882 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-11-08 19:32:36,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:36,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:36,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:36,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:36,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:36,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:36,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:36,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:36,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:36" (1/1) ... [2024-11-08 19:32:36,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:36,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:36,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:36,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:36,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:32:36,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:36,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:37,078 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:37,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:32:37,308 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 19:32:37,308 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:32:37,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:32:37,404 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:32:37,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:37 BoogieIcfgContainer [2024-11-08 19:32:37,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:32:37,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:32:37,406 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:32:37,417 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:32:37,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:37" (1/1) ... [2024-11-08 19:32:37,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:32:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 19:32:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 19:32:37,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:32:37,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:37,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:37,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:37,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:32:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:32:37,728 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:32:37,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:32:37 ImpRootNode [2024-11-08 19:32:37,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:32:37,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:32:37,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:32:37,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:32:37,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:32:37" (3/4) ... [2024-11-08 19:32:37,765 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:32:37,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:32:37,768 INFO L158 Benchmark]: Toolchain (without parser) took 1288.95ms. Allocated memory is still 188.7MB. Free memory was 148.7MB in the beginning and 102.5MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,768 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:37,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.05ms. Allocated memory is still 188.7MB. Free memory was 148.7MB in the beginning and 134.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 188.7MB. Free memory was 134.9MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,771 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 188.7MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 993.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,771 INFO L158 Benchmark]: RCFGBuilder took 486.85ms. Allocated memory is still 188.7MB. Free memory was 131.9MB in the beginning and 115.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,773 INFO L158 Benchmark]: CodeCheck took 351.68ms. Allocated memory is still 188.7MB. Free memory was 115.1MB in the beginning and 103.1MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,774 INFO L158 Benchmark]: Witness Printer took 6.36ms. Allocated memory is still 188.7MB. Free memory was 103.1MB in the beginning and 102.5MB in the end (delta: 561.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:37,780 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 42.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.05ms. Allocated memory is still 188.7MB. Free memory was 148.7MB in the beginning and 134.9MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 188.7MB. Free memory was 134.9MB in the beginning and 132.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 188.7MB. Free memory was 132.9MB in the beginning and 131.9MB in the end (delta: 993.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.85ms. Allocated memory is still 188.7MB. Free memory was 131.9MB in the beginning and 115.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 351.68ms. Allocated memory is still 188.7MB. Free memory was 115.1MB in the beginning and 103.1MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.36ms. Allocated memory is still 188.7MB. Free memory was 103.1MB in the beginning and 102.5MB in the end (delta: 561.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:32:37,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/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_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:32:40,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:32:40,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:32:40,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:32:40,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:32:40,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:32:40,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:32:40,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:32:40,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:32:40,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:32:40,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:32:40,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:32:40,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:32:40,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:32:40,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:32:40,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:32:40,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:32:40,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:32:40,505 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:32:40,506 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:32:40,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:32:40,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:32:40,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:32:40,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:32:40,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:32:40,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:32:40,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:32:40,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:32:40,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:32:40,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:40,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:32:40,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:32:40,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:32:40,510 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:32:40,510 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:32:40,511 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:32:40,511 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_965c0249-2fa9-4275-9174-ea6196961d81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c [2024-11-08 19:32:40,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:32:40,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:32:40,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:32:40,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:32:40,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:32:40,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i Unable to find full path for "g++" [2024-11-08 19:32:43,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:32:43,345 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:32:43,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-11-08 19:32:43,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/e49e6bb6c/73e2e622e990430b813f669d15d1a87f/FLAG00e596822 [2024-11-08 19:32:43,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/data/e49e6bb6c/73e2e622e990430b813f669d15d1a87f [2024-11-08 19:32:43,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:32:43,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:32:43,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:43,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:32:43,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:32:43,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:43" (1/1) ... [2024-11-08 19:32:43,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adcf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:43, skipping insertion in model container [2024-11-08 19:32:43,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:32:43" (1/1) ... [2024-11-08 19:32:43,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:32:44,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-11-08 19:32:44,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-11-08 19:32:44,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:44,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:32:44,101 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-11-08 19:32:44,119 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-11-08 19:32:44,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:32:44,142 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:32:44,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44 WrapperNode [2024-11-08 19:32:44,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:32:44,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:44,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:32:44,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:32:44,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,194 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-11-08 19:32:44,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:32:44,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:32:44,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:32:44,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:32:44,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:32:44,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:32:44,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:32:44,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:32:44,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:32:44" (1/1) ... [2024-11-08 19:32:44,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:32:44,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:32:44,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:32:44,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:32:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:32:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:32:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:32:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:32:44,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:32:44,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:33:07,343 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 19:33:07,344 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:33:07,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:33:07,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:33:07,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:07 BoogieIcfgContainer [2024-11-08 19:33:07,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:33:07,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:33:07,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:33:07,423 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:33:07,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:33:07" (1/1) ... [2024-11-08 19:33:07,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:33:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:33:07,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 19:33:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 19:33:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 19:33:07,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:33:07,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:33:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:33:07,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:33:07,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965c0249-2fa9-4275-9174-ea6196961d81/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:40:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:10,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:43:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat