./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_1_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b --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 3dbff123fe4d446bdb4fa52d8405b7591df523648ee08eb41c859388ca62eb5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:44:14,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:44:14,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:44:14,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:44:14,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:44:14,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:44:14,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:44:14,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:44:14,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:44:14,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:44:14,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:44:14,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:44:14,303 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:44:14,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:44:14,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:14,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:44:14,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:44:14,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:44:14,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:44:14,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:44:14,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b 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 -> 3dbff123fe4d446bdb4fa52d8405b7591df523648ee08eb41c859388ca62eb5e [2024-12-06 00:44:14,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:44:14,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:44:14,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:44:14,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:44:14,517 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:44:14,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_2+newton_1_2.i [2024-12-06 00:44:17,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/6551d92d8/0805417c05304ab4b0a142aa8922c94a/FLAG4425bb5eb [2024-12-06 00:44:17,386 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:17,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i [2024-12-06 00:44:17,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/6551d92d8/0805417c05304ab4b0a142aa8922c94a/FLAG4425bb5eb [2024-12-06 00:44:17,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/6551d92d8/0805417c05304ab4b0a142aa8922c94a [2024-12-06 00:44:17,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:17,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:17,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:17,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:17,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:17,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121081b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17, skipping insertion in model container [2024-12-06 00:44:17,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:17,896 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[1226,1239] [2024-12-06 00:44:17,919 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[2820,2833] [2024-12-06 00:44:17,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:17,928 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:17,937 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[1226,1239] [2024-12-06 00:44:17,947 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[2820,2833] [2024-12-06 00:44:17,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:17,959 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:17,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17 WrapperNode [2024-12-06 00:44:17,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:17,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:17,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:17,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:17,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,986 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-12-06 00:44:17,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:17,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:17,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:17,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:17,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,998 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:17,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:18,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:18,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:18,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:18,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:18,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:18,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:18,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:18,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:17" (1/1) ... [2024-12-06 00:44:18,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:18,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:18,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:18,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:44:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:18,108 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:18,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:18,250 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:18,250 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:18,308 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:18,308 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:44:18,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:18 BoogieIcfgContainer [2024-12-06 00:44:18,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:18,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:18,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:18,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:18,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:18" (1/1) ... [2024-12-06 00:44:18,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:44:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:44:18,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:44:18,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:18,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:44:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:18,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:18,484 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:18,498 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:44:18,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:44:18 ImpRootNode [2024-12-06 00:44:18,511 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:44:18,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:44:18,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:44:18,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:44:18,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:18" (3/4) ... [2024-12-06 00:44:18,514 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:44:18,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:44:18,516 INFO L158 Benchmark]: Toolchain (without parser) took 749.16ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 74.9MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:44:18,516 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:18,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.75ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:18,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.39ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:18,518 INFO L158 Benchmark]: Boogie Preprocessor took 18.26ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.5MB in the end (delta: 893.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:18,518 INFO L158 Benchmark]: RCFGBuilder took 303.40ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 86.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:44:18,519 INFO L158 Benchmark]: CodeCheck took 201.47ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 75.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:18,519 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 189.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:18,521 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, ConComCheckerStatistics: 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 > -0.4f && IN < 0.4f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [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 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.75ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 105.0MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.39ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.26ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.5MB in the end (delta: 893.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 303.40ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 86.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 201.47ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 75.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 189.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:44:18,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b --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 3dbff123fe4d446bdb4fa52d8405b7591df523648ee08eb41c859388ca62eb5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:44:20,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:44:20,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:44:20,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:44:20,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:44:20,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:44:20,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:44:20,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:44:20,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:44:20,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:44:20,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:44:20,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:44:20,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:44:20,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:44:20,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:20,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:44:20,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:44:20,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:44:20,563 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:44:20,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:20,563 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:44:20,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b 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 -> 3dbff123fe4d446bdb4fa52d8405b7591df523648ee08eb41c859388ca62eb5e [2024-12-06 00:44:20,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:44:20,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:44:20,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:44:20,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:44:20,803 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:44:20,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_2+newton_1_2.i [2024-12-06 00:44:23,406 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/23b51c2b9/a4978885e3b14bec91711422c48d56f3/FLAG2647a7f1e [2024-12-06 00:44:23,596 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:23,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i [2024-12-06 00:44:23,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/23b51c2b9/a4978885e3b14bec91711422c48d56f3/FLAG2647a7f1e [2024-12-06 00:44:23,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/data/23b51c2b9/a4978885e3b14bec91711422c48d56f3 [2024-12-06 00:44:23,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:23,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:23,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:23,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:23,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:23,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:23" (1/1) ... [2024-12-06 00:44:23,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efa3623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:23, skipping insertion in model container [2024-12-06 00:44:23,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:23" (1/1) ... [2024-12-06 00:44:23,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:24,089 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[1226,1239] [2024-12-06 00:44:24,111 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[2820,2833] [2024-12-06 00:44:24,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:24,121 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:24,130 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[1226,1239] [2024-12-06 00:44:24,138 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_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/sv-benchmarks/c/combinations/gcd_2+newton_1_2.i[2820,2833] [2024-12-06 00:44:24,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:24,152 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:24,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24 WrapperNode [2024-12-06 00:44:24,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:24,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:24,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:24,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:24,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,179 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-12-06 00:44:24,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:24,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:24,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:24,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:24,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:24,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:24,202 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:24,202 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:24,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:24" (1/1) ... [2024-12-06 00:44:24,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:24,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:24,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:44:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:24,325 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:24,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:46,139 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:46,139 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:46,201 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:46,201 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:44:46,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:46 BoogieIcfgContainer [2024-12-06 00:44:46,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:46,202 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:46,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:46,211 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:46,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:46" (1/1) ... [2024-12-06 00:44:46,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:46,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:44:46,256 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:44:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:44:46,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:46,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:46,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:46,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:46,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:54:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:43,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:54:54,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:54:54,267 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:54:54,270 INFO L158 Benchmark]: Toolchain (without parser) took 630297.67ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.1MB in the end (delta: 11.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 00:54:54,271 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:54:54,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.10ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:54:54,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.72ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:54:54,272 INFO L158 Benchmark]: Boogie Preprocessor took 20.96ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:54:54,272 INFO L158 Benchmark]: RCFGBuilder took 21999.80ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 67.4MB in the end (delta: -13.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 00:54:54,272 INFO L158 Benchmark]: CodeCheck took 608067.56ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 58.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:54:54,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.10ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.72ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.96ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 21999.80ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 67.4MB in the end (delta: -13.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 608067.56ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 58.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:54:54,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ed08f2-cd41-406e-b2ea-5979b5ad3b41/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown